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Classification 1

There are 50 questions. The pass mark is 90%. Best of Luck

1 / 50

1. Which of the following responds to light stimulus

2 / 50

2. which of the following is not correc about plant and animals

3 / 50

3. The slimy covering of spirogyra is

4 / 50

4. Which of the following definition is not correct

5 / 50

5. which of the following initiates the process of cell division in animals

6 / 50

6. which of the following is the most abundant animal

7 / 50

7. which of the following is absent in plant cell

8 / 50

8. Which of the following is the most abundant plant

9 / 50

9. what organelle is used for storage of starch

10 / 50

10. which of the following is the ability the following is the ability that allows living organisms to respond to internal stimulus

11 / 50

11. Which of the following is not a single celled organism

12 / 50

12. What organism was being studied when penicillin antibiotic was discovered

13 / 50

13. which of the following exists at tissue level

14 / 50

14. which of the following is the process that releases chemical energy from food

15 / 50

15. Which of the following is not correct

16 / 50

16. Which of the following is not correct about the system of nameing lining organisms

17 / 50

17. which of the following is the link between living and non-living things

18 / 50

18. What is excretion

19 / 50

19. Which of the following is not a property of living organisms

20 / 50

20. which of the following is not used for movement

21 / 50

21. What is nutrition

22 / 50

22. The part of the mammalian brain that is more developed than other animal brain is the

23 / 50

23. The process of classifying organisms into groups is called

24 / 50

24. Organisms that have 48 chromosomes are grouped together in family called

25 / 50

25. which of the following is not correct about kingdom Plantae

26 / 50

26. Which of the following is a green filamentous algae

27 / 50

27. Which of the following is not correct about bacteria

28 / 50

28. Which of the following is not correct about photosynthesis

29 / 50

29. Which of the followign is correct

30 / 50

30. Which of the following is not correct about plants

31 / 50

31. which of the following is not correct about kingdom Plantae

32 / 50

32. which of the following is not a subgroup in the plant kingdom

33 / 50

33. Which of the following is usually absent in animal cell

34 / 50

34. which of the following does not refer to the process by which content of the cytoplasm move from one organelle to the other

35 / 50

35. The ability of organism to immediately change to the environment for survival is called

36 / 50

36. Mammals that lay eggs are called

37 / 50

37. Which of the following is not a characteristic of mammals

38 / 50

38. which process is involved in the building up of body materials

39 / 50

39. Which of the following is not correct about the system of nameing lining organisms

40 / 50

40. Which of the following is not correct

41 / 50

41. Each thread of a mucor is called

42 / 50

42. Which of the following is not correct about animals

43 / 50

43. The process where living organsims gradually change into a new form in response to change in the evironment is called

44 / 50

44. Which of the following is not used for classification of the types of plant

45 / 50

45. Which of the following helps transport of nutrients inside a cell or cytoplasm

46 / 50

46. Which of the following is not correct about a mucor

47 / 50

47. Which of the following has no roots, stem or leaves

48 / 50

48. Which of the following is not a similarity between living and nonliving things

49 / 50

49. When the food we eat becomes part of the body it is called

50 / 50

50. Who discovered penicillin antibiotics

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Classification 2

There are 50 questions. The pass mark is 90%. Best of Luck

1 / 50

1. which of the following is not true about the method of classifying organisms

2 / 50

2. which of the following is an example of perennial crop

3 / 50

3. Which of the following is not a means of movement

4 / 50

4. What property possessed by organims protophyta phyllum of the kingdom protista makes them able to make their food

5 / 50

5. In lower plants like mosses, the structure that performs the functions of roots in higher plants is called

6 / 50

6. which of the following is not a way of classifying crops according to their life cycle

7 / 50

7. which of the following is not true about perennial crops

8 / 50

8. Which of the following is not correct about bacteria

9 / 50

9. Which of the following is the correct representation of the five (5) Kingdoms into which plants and animals may be classified

10 / 50

10. Bryophytes differ from flowering plants because they:

11 / 50

11. crops that complete their lifecycle in two years

12 / 50

12. Viruses are regarded as non-living because they

13 / 50

13. Which of the following elements are necessary for the formation of chlorophyll in a plant?

14 / 50

14. which of the following is not correct about biennial crops

15 / 50

15. In Spirogyra, the pyrenoid

16 / 50

16. Green plants are important in the ecosystem because they are:

17 / 50

17. Which of the following organisms in the protista kingdom does not possess cilia or flagella

18 / 50

18. Which of the following is not correct about the standard naming system used by biologists to name organisms

19 / 50

19. What is the whiplike structure possessed by some motile bacteria

20 / 50

20. Which of the following Kingdom is made up of single cell but with a definite nucleus and specialized structures called organelles

21 / 50

21. A group of similar cells performing the same function is

22 / 50

22. Which of the following is the appropriate hierarchy of living organisms

23 / 50

23. What is the standard naming convention used by biologists to name organisms

24 / 50

24. which of the following is not an example of coelenterate

25 / 50

25. Which of the following is seed-bearing?

26 / 50

26. which of the following is not correct about protists or protozoa

27 / 50

27. Which of the following is NOT true of Mucor?

28 / 50

28. which of the following is not correct about coelenterates

29 / 50

29. which of the following is not a characteristics of thallophytes

30 / 50

30. kingdom is made of simple cell organisms with no definite or true nucleus

31 / 50

31. A food substance that produces red coloration with Sudan III contains

32 / 50

32. Organisms within which level can mate and procreate

33 / 50

33. Euglena is considered an autotrophic organism because it

34 / 50

34. the sting cells of coelenterates is

35 / 50

35. which of the following is not an algae

36 / 50

36. Which of the following is NOT true of Spirogyra?

37 / 50

37. which of the following is not a fungus

38 / 50

38. The movement of part of a plant in response to an external stimulus of no particular direction is

39 / 50

39. Partially digested food ready to leave the stomach is referred to as:

40 / 50

40. Which of the following is not in the kingdom monera

41 / 50

41. Which of the following is not correct about a virus

42 / 50

42. which of the following si not a shape of bacteria

43 / 50

43. Which of these animals is radially symmetrical?

44 / 50

44. Which of the following is not true about blue-Green Algae or cyanobacteria

45 / 50

45. which of the following is not an algae

46 / 50

46. which of the following is not correct about coelenterates

47 / 50

47. Oxygen liberated during photosynthesis has been demonstrated to come from:

48 / 50

48. Which of the following moves with the aid of cilia

49 / 50

49. In fish, the sense organs that detect movements in the water are located within the:

50 / 50

50. In a community, bacteria and fungi are referred to as:

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Classification 3

There are 50 questions. The pass mark is 90%. Best of Luck

1 / 50

1. What properties present in plants makes them able to produce their own food in contrast to animals

2 / 50

2. Which of the following is not a function of the stem of a flowering plant

3 / 50

3. Which of the following is the largest phylum in the animal kingdom

4 / 50

4. Which of the following phylum in the animal kingdom have spiny skin

5 / 50

5. Which of the following is not correct about hydra

6 / 50

6. Which of the following is not correct about gymnosperms and angiosperms

7 / 50

7. Which of the following helps the fish to detect changes in water pressure

8 / 50

8. Which of the following is not correct about hydra

9 / 50

9. Which of the following body feature allows organisms to grow bigger

10 / 50

10. Which of the phylum (division ) of the plant kingdom are known as vascular plants

11 / 50

11. Which of the following is not correct about the classes under the phylum Arthropoda

12 / 50

12. Which of the following is not feature of Phylum Mollusca

13 / 50

13. Which of the following is not correct about hydra

14 / 50

14. Which of the following is not a phyllum (division ) under the Kingdom Plantae

15 / 50

15. Which of the following is not correct about the description of animal body

16 / 50

16. Which of the following is not a characteristic of the spermatophyte phylum of the plant kingdom

17 / 50

17. Which of the following moves with the aid of cilia

18 / 50

18. Which of the following is not correct about the features of an insect

19 / 50

19. Which of the following is not correct about sponges of the phylum porifera

20 / 50

20. Which of the following is not a class under Phylum arthropoda

21 / 50

21. Which of the following organism is useful in making wine, bread, and antibiotics

22 / 50

22. Which of the following is not correct about platyhelminthes phylum

23 / 50

23. Which of the following is the main photosynthesis organ of a flowering plant

24 / 50

24. Which of the following is not a feature of phylum Arthropoda

25 / 50

25. Which of the following phylum (division) may have vertebral columns

26 / 50

26. Which of the following is not a feature of phylum Annelida

27 / 50

27. Which of the following is not correct about sponges

28 / 50

28. Which of the following has the largest number of body segments in the phylum Arthopoda

29 / 50

29. Which of the following is not correct about the kingdom Fungi

30 / 50

30. Which of the following is not a member of the coelenterate phylum

31 / 50

31. How many kingdoms of living organisms are currently recognized by most biologists

32 / 50

32. Which of the following is not an example of a round worm (phylum Nematoda)

33 / 50

33. Which of the following correctly arranges the order of increasing complexity in the animal kingdom

34 / 50

34. Which of the following is not a class under the phylum Chordata

35 / 50

35. Which of the following is not correct about the phylum pteridophyte of the plant kingdom

36 / 50

36. Which of the following is not correct about nematodes

37 / 50

37. Which of the following is not correct about the phyllum Thallophyta of the plant kingdom

38 / 50

38. Which of the following is not a property of the plant kingdom

39 / 50

39. Which of the following is not correct about sponges

40 / 50

40. Which of the following is not an example of nematode

41 / 50

41. Which of the following phylum produces external hard shell body covering

42 / 50

42. Which of the following is not correct about the characteristics of the animal kingdom

43 / 50

43. Which of the following features allow a fish to regulate its density to be able to remain still at any depth underwater

44 / 50

44. Which of the following is not an example of phylum Annelida

45 / 50

45. Which of the following is not a member of the thallophyta (algae) phylum of the plant kingdom

46 / 50

46. Which of the following is not a class under Phylum arthropoda

47 / 50

47. Which of the following is not a member of the phylum Mollusca

48 / 50

48. Which of the following is not a vegetative part of a flowering plant

49 / 50

49. Which of the following is not correct about hydra

50 / 50

50. Which of the following is not part of the shoot system of a plant

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Nutrition

This is a written test , fill in the blank space type. Insert ONE WORD OR ONE TERM ONLY  in each of the spaces provided. The pass mark is 90%. Best of Luck

1 / 3

1. nut1-In biology,  refers to the process by which living organisms obtain and utilize the substances in the environment for metabolism and maintenance of  life

2 / 3

2. nut4-Organisms (like plants) synthesize their own food using inorganic substances and energy from sunlight in a process called or in a chemical reactions  called

3 / 3

3. nut2-The two main types of feeding in living organisms is – nutrition and – – Nutrition

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Nutrition 2

This is fill in the blank test.  Supply only ONE WORD or ONE TERM in each of the blank spaces .  The pass mark is 90%. Best of Luck

1 / 2

1. nut6-The four main process that occur during nutrition are :  , ,  , and 

2 / 2

2. nut3-Organism that consume plants are called – . Organisms that consume other animals are called- and Organisms that consume plant and animals are called

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Nutrition 3

This is fill in the blank test.  Supply only ONE WORD or ONE TERM in each of the blank spaces .  The pass mark is 90%. Best of Luck

1 / 2

1. nut5- Nutrition or utilization of food is important for several vital processes in the body of the living organism. List any 5 of the vital processes that nutrition is important for:           .  Use only one word or one term for each of the process

2 / 2

2. nut7- List 4 types of nutrition in which organism ingest organic material and do not manufacture their own food:

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Created by Agodirin

Nutrition 4

This is fill in the blank test.  Supply only ONE WORD or ONE TERM in each of the blank spaces .  The pass mark is 90%. Best of Luck

1 / 1

1. nut8-Please enter one word for in each of the blank spaces to describe the process of photo synthesis:  In the of leaves, absorbs sunlight. This energy is used to split molecules into and . The is released into the air, while the ions and electrons are used in the light-dependent reactions to produce and NADPH. These energy-rich molecules then power the cycle or reaction, where carbon dioxide is fixed and combined with hydrogen to produce glucose (sugar)

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Nutrition 5

This is fill in the blank test.  Supply only ONE WORD or ONE TERM in each of the blank spaces .  The pass mark is 90%. Best of Luck

1 / 1

1. nut9-Insert one word to complete each of the steps in during the process of photosynthesis

In the   reaction

In the of  leaves

Energizing of – by sunlight

causes of water leading to

Formation of oxygen and hydrogen

In the   reaction reduction of carbon dioxide occurs leading to the formation of sugar

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Created by Agodirin

Nutrition 6

This is fill in the blank test.  Supply only ONE WORD or ONE TERM in each of the blank spaces .  The pass mark is 90%. Best of Luck

1 / 1

1. nut10- The type of nutrition in which organism feed on dead and decay organic material is called nutrition and the organisms are called .  The type of nutrition in which one organism depends on  another for feeding in which one benefits and the other is harmed is called nutrition .  The organism that is harmed is the and the organism that benefits is the

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10
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Digestive Tract of Human

Picture test

1 / 1

1. nut-picture- 1  Fill in the blank spaces:

What is A . What is B .

What is C . What is D .

The structure  E is  -bladder.

What is F .

The structure G is   duct.

what is H .

What is M .

What is K

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5
1
Created by Agodirin

Digestive Tract of Earthworm

1 / 1

1. nut-picture-2: Fill in the blank spaces

What is A 

What is B

What is C .

What is D

What is E

What is F

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Digestive Tract of Cockroach

1 / 1

1. Nut-picture-3

The structure labeled is A  gland

What is B

What is C

What is D

The structure labelled  E is mesenteric

What is F

The structure labeled G is tubules

What is H

What is I

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3
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Biology: Digestive Tract of Bird

1 / 1

1. Nut-picture 4  Digestive Tract of Bird

What is A

What is B

What is C

The structure labelled D  is  duct

What is E

The structure labelled F is duct

The structure labelled G is bladder

What is H 

The structure labelled  I is small

What is J

What is K

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Biology:Transportation

1 / 50

1. transport28_the vessels that carry blood away from the heart are called

2 / 50

2. transport34_Which of the following is responsible for upward transportation of nutrients in plants

3 / 50

3. transport1_Which of the following is not a function of the transportation system

4 / 50

4. transport27_the beating of the heart is timed by the

5 / 50

5. transport21_the process of engulfing and digesting bacteria by white cell is called

6 / 50

6. transport42_Which of the following is not translocated in plant

7 / 50

7. transport5_the mode of nutrition in unicellular organisms is

8 / 50

8. transport32_Which of the following is not related transportation of nutrients in unicellular organism

9 / 50

9. transport19_Which of the following is not involved in the prevention of blood loss (formation of clots)

10 / 50

10. transport37_loss of water vapour from the surface of the shoot system of plant is

11 / 50

11. transport35_which of the following is responsible for downward transportation of nutrients in plants

12 / 50

12. transport38_The greatest loss of water from the surface of leaves or plant shoot occurs through the

13 / 50

13. transport23_The inability of blood to clot easily in some human is called

14 / 50

14. transport44_what are the two types of circulatory system present in living organisms

15 / 50

15. transport48_In the closed circulation found in vertebrates the point whe re exchange of nutrients and waste occurs between the cells and the circulatory system is the

16 / 50

16. transport43_in open circulation the heart pumps blood inot a blood vessel which branches to terminate in spaces called

17 / 50

17. transport25_contraction of the heart to pump blood to other parts of the body is called

18 / 50

18. transport13_the fluid portion of blood is called

19 / 50

19. transport16_the component of red cells that transports oxygen is

20 / 50

20. transport6_which of the following is means of transportation of nutrients and wastes in unicellular organisms

21 / 50

21. transport30_which of the following carreis oxygenated blood

22 / 50

22. transport4_the mode of excretion in unicellular organism is

23 / 50

23. transport45_The structures in blood vessels that allow blood to flow in one direction only are

24 / 50

24. transport2_which of the following is not a medium for transportation of nutrients in living organisms

25 / 50

25. transport24_The heart is located in the

26 / 50

26. transport39_The instrument used to measure transpiration from plant surface is

27 / 50

27. transport20_Which of the following is not formed in the bone marrow

28 / 50

28. transport17_which of the following are functions of the red blood cell

29 / 50

29. transport7_Which of the following use blood as means of transportation of nutrients and wastes

30 / 50

30. transport50_The part of the heart that receives the blood returning from the vein is

31 / 50

31. transport8_Which of the following use blood as means of transportation of nutrients and wastes

32 / 50

32. transport36_During the upward transportation of fluid in the plant. The force responsible for pushing xylem sap or fluid upwards along the shoot system is

33 / 50

33. transport9_Which of the followin g uses cell sap and latex as means of transporation of nutrients and wastes

34 / 50

34. transport29_the vessels that carry blood to the heart are called

35 / 50

35. transport33_the nutrient and hormone conducting structure in plant is

36 / 50

36. transport3_which of the following is not a medium for transportation of nutrients in living orgaisms

37 / 50

37. transport10_Which of the following is not a part of the transportation system in human

38 / 50

38. transport11_which of the following is responsible for pumping the blood in human

39 / 50

39. transport14_which of the following is not found in blood

40 / 50

40. transport31_which of the following carries deoxygenated blood

41 / 50

41. transport40_Which of the following does not affect the rate of transpiration in plants

42 / 50

42. transport26_relaxation of the heart muscle to allow refilling before pumping the blood out is called

43 / 50

43. transport12_what are the two components of blood in humans

44 / 50

44. transport47_The structure of closed circulatory system is from the heart and back to the heart is

45 / 50

45. transport49_What are the two types of closed circulatory systems found in vertebrates

46 / 50

46. transport18_which of the following is not a function of white blood cells

47 / 50

47. transport46_Which of the following does not have open circulation

48 / 50

48. transport22_The threadlike structure that forms the mesh work during blood clotting is

49 / 50

49. transport15_which of the following is not a function of plasma

50 / 50

50. transport41_which of the following is not correct about guttation

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Biology: Transportation 2

1 / 50

1. transport52_in mammals the blood that passes from the heart to the other parts of the body and back to the heart is

2 / 50

2. transport91_Which of the following is not correct about the absorbtion of water from the root of plants

3 / 50

3. transport59_Which of the following blood cells has the longest life span

4 / 50

4. transport99_The main function of the lymphatic system in mammals is to:

5 / 50

5. transport78_the vein and artery supplying the heart muscles are

6 / 50

6. transport57_Which of the following is not a blood cell

7 / 50

7. transport97_Which of the following is NOT a function of the blood?

8 / 50

8. transport75_Which of the following is not correct about the human heart

9 / 50

9. transport88_the two main vascular tissue in plants is

10 / 50

10. transport85_Which of the following is not correct

11 / 50

11. transport68_The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the?

12 / 50

12. transport81_the valve betwee the right auricle and right ventricle is called the

13 / 50

13. transport95_The main function of the phloem in plants is to:

14 / 50

14. transport80_the veins that carry blood to the heart are called

15 / 50

15. transport72_Blood circulation in a mammal is said to be double because? 

16 / 50

16. transport60_which of the following blood cells has the shortest lifespan

17 / 50

17. transport90_the phloem is made of of companion cells and

18 / 50

18. transport63_in what form is waste product of protein excreted from the body

19 / 50

19. transport98_Which of the following is a component of the vascular bundle in plants?

20 / 50

20. transport87_the process of transportation of nutrients in simple nonvascular plants is

21 / 50

21. transport84_which of the following is not correct about the heart beat

22 / 50

22. transport77_During exercise the heart beats

23 / 50

23. transport71_The blood vessel which carries blood from the alimentary canal to the liver is the?

24 / 50

24. transport69_Circulation of blood to all parts of the body except the lungs is through?

25 / 50

25. transport67_which of the following produces antibodies

26 / 50

26. transport54_deoxygenated blood flow through what part fo the heart in mammals

27 / 50

27. transport70_The blood component that has the greatest affinity for oxygen is the?

28 / 50

28. transport73_Lack of nucleus is a feature in?

29 / 50

29. transport56_which of the following is not part of plasma

30 / 50

30. transport76_when at rest the adult heart pumps at howmany beats per minute

31 / 50

31. transport79_the vein and artery supplying blood to the lungs are

32 / 50

32. transport92_The absorbtion of minerals in the root hair of plant is by

33 / 50

33. transport94_In mammals, the pulmonary artery carries:

34 / 50

34. transport51_in mammals the blood that passes from the heart to the lungs and back to the heart is

35 / 50

35. transport83_which of the followng is not true about the blood flow in the heart

36 / 50

36. transport89_the xylem is made up of long spindle shaped cells called

37 / 50

37. transport86_the process of transportation in algae is

38 / 50

38. transport55_which of the following is not part of plasma

39 / 50

39. transport96_Which of the following is a characteristic of arteries?

40 / 50

40. transport100_In plants, the process by which water is lost through the stomata is called:

41 / 50

41. transport66_When a blood vessel is broken or cut, which of the following helps to prevent excessive blood loss

42 / 50

42. transport74_The correct pathway for blood flow from the heart to the tissues of mammals is?

43 / 50

43. transport58_which of the following is not a type of white blood cell

44 / 50

44. transport93_Which of the following is a function of the xylem in plants?

45 / 50

45. transport82_the valve betwee the left auricle and left ventricle is called the

46 / 50

46. transport61_how is carbondioxide excreted from human body

47 / 50

47. transport65_Which of the following is not a function of the blood

48 / 50

48. transport53_oxygenated blood flows through what part of the heart in mammals

49 / 50

49. transport62_how is carbondioxide excreted from human body

50 / 50

50. transport64_which of the following is not function of the blood

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Biology: Sense Organs

1 / 50

1. sense24_which of the following is the fluid in the anterior chamber of the eye

2 / 50

2. sense45_which of the following structure in the ear is responsible for maintaining balance and body posture

3 / 50

3. sense11_The receptors in the eyes that perceive vision are

4 / 50

4. sense5_which of the following receptors is absent in the skin

5 / 50

5. sense1_Which of the following is not a sense organ

6 / 50

6. sense31_Which of the following is not correct

7 / 50

7. sense21_which of the following removes bacteria from the eyes

8 / 50

8. sense2_how many sense organs do human have

9 / 50

9. sense20_which of the following produces tears

10 / 50

10. sense47_which of the following structure in the ear is not involved with hearing

11 / 50

11. sense7_which of the folowing receptors senses joint position

12 / 50

12. sense18_Which of the following protects the eye from the shock of shaking or movement

13 / 50

13. sense19_which of the following does not prevent or removes dust from the eye

14 / 50

14. sense28_the part of the eye that regulates the amount of light entering the eye is the

15 / 50

15. sense3_which of the following sense organs is for balance and joint position sense in humans

16 / 50

16. sense44_which of the following is the eardrum

17 / 50

17. sense37_which of the following is not correct

18 / 50

18. sense50_the nerve that is involved with hearing

19 / 50

19. sense26_The structure of the eye that directs light to the retina is the

20 / 50

20. sense15_Which of the following is not a protection for the eye

21 / 50

21. sense16_Which of the following is not a protection for the eye

22 / 50

22. sense32_which of the following is not correct about the blind spot in the eye

23 / 50

23. sense49_the nerve that is involved with vision

24 / 50

24. sense23_the eye is made up of three layers. Which of the following is not one of them

25 / 50

25. sense39_all the following are parts of the ear except

26 / 50

26. sense41_the three bones of the middle hear help to amplify sound waves which comes from the eardrum, which of the following is not one of the three bones of the middle ear

27 / 50

27. sense33_which of the following is not correct

28 / 50

28. sense9_The sense receptor used by blind people for reading on a braille is

29 / 50

29. sense10_The temperature receptors on the skin are

30 / 50

30. sense48_which of the following converts sound waves entering the ear into electrical waves for transmission to the brain

31 / 50

31. sense12_the two types of photo receptors for vision in the eyes are

32 / 50

32. sense8_which of the following receptors detects pressure or touch

33 / 50

33. sense40_the part of the ear from outside in is

34 / 50

34. sense13_When we look at the environment the receptor that help us to differentiate colors are

35 / 50

35. sense35_which of the following animal have round pupils

36 / 50

36. sense4_Which sense organs helps to detect warm or hot object

37 / 50

37. sense29_the part of the eye that carries light information from the eye to the brain

38 / 50

38. sense42_the outer ear is separated from the middle ear by the

39 / 50

39. sense36_which of the following animal have slit pupils

40 / 50

40. sense17_Which of the following is not a protection for the eye

41 / 50

41. sense30_the structure that regulates the diameter of the pupil to allow more or less light to pass through the pupil is

42 / 50

42. sense34_which of the following animal have round pupils

43 / 50

43. sense27_the light senstive part of the eye is the

44 / 50

44. sense14_The receptors that help us to see at night and in the dark are

45 / 50

45. sense6_Which of the following receptors in the skin perceives pain

46 / 50

46. sense22_the eye has 6 muscles, which of the following are not part of the muscles

47 / 50

47. sense43_the function of the tiny bones in ear is to

48 / 50

48. sense46_which of he following amplify the sound fibrations that enter the ear

49 / 50

49. sense25_which of the following is the fluid in the posterior chamber of the eye

50 / 50

50. sense38_the ear has how many parts

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Biology: Sense Organs Vol 2

1 / 50

1. sense92_which of the following is not good advice for the ears

2 / 50

2. sense78_which of the following is not correct about color blindness

3 / 50

3. sense56_What is the correct sequence for the perception of smell in mammals?

4 / 50

4. sense58_which of the following is not involved in vision

5 / 50

5. sense70_which of the following refers to long sightedness

6 / 50

6. sense64_in what situation will an object be visible to the eyes

7 / 50

7. sense67_cataract of the eye affects which structure in the eye

8 / 50

8. sense63_which of the following is correct about what happens in the eye when the eye is focusing on a far or distant object

9 / 50

9. sense75_when a kind of cone receptor is absent in the eye the person has

10 / 50

10. sense76_which of the following is not correct about presbyopia

11 / 50

11. sense99_Persons that lack the ability to tell the taste of substances are

12 / 50

12. sense93_A person who cannot detect a particular smell or scent is

13 / 50

13. sense94_the part of the brain responsible for perception of smell is

14 / 50

14. sense87_which of the following animals does not have eyes that shine at night

15 / 50

15. sense52_the part of the tongue that tastes sweetness is

16 / 50

16. sense83_which of the following is not involved in maintaining balance and posture

17 / 50

17. sense60_the structure in the eye that holds the lens in place is the

18 / 50

18. sense77_Which of the following occurs when the curvature of the lens of the eye becomes uneven

19 / 50

19. sense57_The ability of the human eyes to focus far and near object is

20 / 50

20. sense81_the organism that causes river blindness is

21 / 50

21. sense74_which of the following conditions requires bifocal lens

22 / 50

22. sense72_which of the following is not correct about long sightedness

23 / 50

23. sense100_A substance used to test for genetic inheritance of inability to taste is

24 / 50

24. sense90_which of the following is damaged by very loud noise or sound leading to deafness

25 / 50

25. sense51_the nerve that is involved with smell

26 / 50

26. sense98_the correct order in the mechanism of perceiving taste

27 / 50

27. sense71_which of the following refers to opacity of the lens

28 / 50

28. sense86_which of the following is not correct about the mechanism of vision

29 / 50

29. sense68_which of the following is not correct about short sightedness

30 / 50

30. sense55_the part of the tongue that tastes sour is

31 / 50

31. sense97_which of the following does not have a specific taste bud for perception in the tongue

32 / 50

32. sense61_which of the following focuses light to the retina of the eye

33 / 50

33. sense79_which of the following is not good advice for the eyes

34 / 50

34. sense66_which of the following happens when there is dim light in the environment

35 / 50

35. sense54_the part of the tongue that tastes salt is

36 / 50

36. sense73_which of the following is a disease where the accomodation of the lens of the eye is impaired

37 / 50

37. sense85_which of the following is the correct order in the mechanism of vision

38 / 50

38. sense82_which of the following is not involved in bending of the eye towards the retina

39 / 50

39. sense95_which of the following have good sense of smell

40 / 50

40. sense53_the part of the tongue that tastes bitterness is

41 / 50

41. sense62_which of the following is correct about what happens in the eye when the eye is focusing on a near object

42 / 50

42. sense69_which of the following refers to short-sightedness

43 / 50

43. sense89_which of the following is not involved in maintaining balance and posture

44 / 50

44. sense65_which of the following happens when there is too much light in the environment

45 / 50

45. sense59_the structure in the eye that changes the focus of the lens to see both far and near objects is the

46 / 50

46. sense96_the correct order in the mechanism of perceiving smell

47 / 50

47. sense91_which of the following is not a cause of deafness

48 / 50

48. sense84_which of the following is required for night vision

49 / 50

49. sense88_which of he following is the correct order of the mechanism of hearing

50 / 50

50. sense80_which of the following is not good advice for the eyes

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Respiration 1

1 / 50

1. resp23_The tracheal system is used for respiration in

2 / 50

2. resp30_which of the following prevent food from entering the airway in mammals

3 / 50

3. resp11_which of the following undergoes direct external respiration by diffusion of carbondioxide and oxygen through the membrane into the organism without posessing a respiratory system

4 / 50

4. resp39_which of the following is not correct about the process of chemical respiration where food is converted to chemical energy

5 / 50

5. resp6_the organ of the body where atmospheric oxygen is taken in and carbondioxide is expelled is

6 / 50

6. resp34_which of the following is not involved in respiraiton in man

7 / 50

7. resp27_which of the following is not correct about cellular respiration

8 / 50

8. resp42_Following vigorous exercise with development of oxygen dept, which of the following accumulates in the muscle causing muscle cramps

9 / 50

9. resp12_which of the following expires carbondioxide and takes in oxygen through the skin

10 / 50

10. resp33_the respiratory surface called air sac in mammals is the

11 / 50

11. resp50_Which of the following is not a byproduct of internal respiration

12 / 50

12. resp4_Which of the following is a waste produce of respiration in animals

13 / 50

13. resp19_which of the following is used for gaseous exchange in fish

14 / 50

14. resp3_Aerobic respiration is the oxidation of food in the presence of oxygen. Which of the following are the products

15 / 50

15. resp43_in simple acquatic plant like spirogyra, the air dissolved in water gets into the cells by

16 / 50

16. resp22_which of the following use external gills for respiration

17 / 50

17. resp45_Which of the following is not present in inspired air

18 / 50

18. resp44_During experiment to demonstrate respiration in small potted plant, the air coming from the plant jar turned caustic soda(lime water) milky. This suggests that the potted plant

19 / 50

19. resp24_which of the following is not part of the tracheal system for respiration

20 / 50

20. resp31_which of the following correctly describes the respiratory tract in mammals

21 / 50

21. resp48_which of the following is not correct about the concentration of air

22 / 50

22. resp8_what is the pathway of intake of oxygen from the atmosphere to the body cells

23 / 50

23. resp9_the process of exchange of gases (respiration) in amoeba is

24 / 50

24. resp1_The chemical energy that is released following oxidation of food is

25 / 50

25. resp20_in fish, oxygenated water is drawn in through the

26 / 50

26. resp40_During aerobic respiration, which of the following correctly represents the overall process of chemical respiration to produce energy from food(glucose)

27 / 50

27. resp36_which of the following correctly describes the mechanism of exhalation (expiration ) in man

28 / 50

28. resp47_which of the following is not correct about inspired and expired air

29 / 50

29. resp13_which of the following does not undergo respiration by diffusion of gases through the skin (cutaneous respiration)

30 / 50

30. resp14_which of the following is not a means of gaseous exchange by terrestrial animals

31 / 50

31. resp26_During vigorous exercise or workout, the oxygen needed to remove excess build up of lactic acid in muscle is

32 / 50

32. resp32_which of the followin gis the voice box

33 / 50

33. resp37_Internal respiration is the respiration inside the cell where food is converted to chemical energy. Which of the following is not correct about the process

34 / 50

34. resp16_which of the following are means of gaseous exchange by plants

35 / 50

35. resp35_which of the following correctly describes the mechanism of inhalation (inspiration ) in man

36 / 50

36. resp29_which of the following is not part of the respiratory tractin mammals

37 / 50

37. resp41_During an experiment to demonstrate espiration in rat, when the air from the jar containing the rat turns lime water milky, this shows that the rat has expired

38 / 50

38. resp49_What is respiratory quotient during respiration

39 / 50

39. resp25_which of the followiing is the respiratory surface in man

40 / 50

40. resp7_the part of the lung where oxygen is exchanged for carbondioxide is

41 / 50

41. resp15_which of the following is a means of gaseous exchange by animals living in dry habitat

42 / 50

42. resp38_which of the following is not correct about the breathing mechanism in mammals

43 / 50

43. resp21_in fish carbondioxide diffuse out of the body through the

44 / 50

44. resp28_which of the following is not correct about comparison of cellular respiration

45 / 50

45. resp46_which of the following is not present in expired air

46 / 50

46. resp18_which of the following is a means of gaseous exchange in amoeba

47 / 50

47. resp10_which of the following has a respiratory system

48 / 50

48. resp2_The process of oxidation of food in the mitochondrium of cell to release energy is

49 / 50

49. resp5_n the cells, the process by which carbon dioxide is exchanged for oxygen during respiration is by

50 / 50

50. resp17_which of the following undergoes respiration through the skin and mouth

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Genetics 1

Welcome to Genetics and Variation Quiz . The pass mark for this quiz is 90%. Best of Luck!

1 / 50

1. Which of the following is responsible for the color of skin in human beings

2 / 50

2. which of the following will be the ratio of the phenotype of the offsprings when Rr cross Rr

3 / 50

3. During an experiment, the scientist crossed pure breed tall plants with genotype TT with pure breed short plant with genotype tt. All the first generation offsprings were tall plants. Which of the following is not correct

4 / 50

4. The Australian monk that is credited for being the father of the modern knowledge of genetics is

5 / 50

5. Which of the following terminologies refers to the word Off-spring

6 / 50

6. Which of the following is correct about the mendelian law of segregation

7 / 50

7. The haploid number of chromosomes is

8 / 50

8. The chemical particle that carries the genetic code for each individual is called

9 / 50

9. The light skin in an albino is an example of

10 / 50

10. A Red flower has genotype RR , which of the following is correct

11 / 50

11. Which of the following is correct

12 / 50

12. A pair of contrasting gene occupying same locus on a chromosome are called

13 / 50

13. which of the following is not correct

14 / 50

14. Which of the following component of the cell is involved in hereditary

15 / 50

15. The two strands that form the chromosome are called

16 / 50

16. The genes an individual inherits from their parent is called

17 / 50

17. Which of the following is not a type of RNA

18 / 50

18. which of the following is not determined by DNA

19 / 50

19. the diploid number of chromosomes is

20 / 50

20. A cross where only one characteristic is considered is refered to as

21 / 50

21. A scientist identified that the color of a plants in his garde are green with gene G or yellow with gene y. He randomly selected a plant from is garden and found that the color was yellow. Which of the following is not correct

22 / 50

22. R stands for Round leave and r for wrinkled leaves . If RR parent cross Rr parent. What will be the shape of the leaves of the offsprings

23 / 50

23. During which stage of cell division do the pair of contrasting genes or alleles separate into different gametes

24 / 50

24. The individual inherits one gene from the mother and another from the father. If the gene from the mother does not manifest due to the presence of the gene from the father. The gene from the mother is said to be

25 / 50

25. Which of the following is not correct

26 / 50

26. Which of the following is not correct

27 / 50

27. The physical manifestation of the genetic inheritance is called

28 / 50

28. Which of the following is correct about of offspring genotype in a cross between TT and tt

29 / 50

29. The elements within the chromosomes that determine the physical, mental and physiologic characteristics of an individual are called

30 / 50

30. A scientist found that the genotype of a tall plant was TT, and another tall plant was Tt. Which of the following is not correct

31 / 50

31. The basic chemical unit of DNA(Deoxy-riboNucleic Acid) is

32 / 50

32. R stands for Round leaves and r for wrinkled leaves. If parent with Rr cross parent with Rr , which of the following will occur in the off-spring leaves

33 / 50

33. After the male sex cell(the sperm) unites with the female sex cell (the ovum) the following is formed

34 / 50

34. A flower is red and has genotype Rr. The flower is

35 / 50

35. which of the following characteristics is not influenced by genetic inheritance

36 / 50

36. When genetically dissimilar parents meet to produce an off-spring, the off-spring is called a

37 / 50

37. Which of the following is not present in DNA chain

38 / 50

38. A flower is white color and has genotype ww, So the flower is said to be

39 / 50

39. Which of the following is not a binding between purine base and pyrimidine base in DNA helix

40 / 50

40. which of the following is not correct

41 / 50

41. A trait that is expressed in the presence of another character that is suppressed is called

42 / 50

42. The way and manner by which traits are transferred from parent to child is called

43 / 50

43. The component of structure which directly determines inheritance is

44 / 50

44. Which of the following is not present in RNA

45 / 50

45. Which of the following RNAs is not used by DNA to perform its function

46 / 50

46. Which of the following is responsible for color of skin in Albinos

47 / 50

47. The organisms that were used in genetic experiment by Gregor Mendel were

48 / 50

48. The type of division in which n number of chromosomes is formed in the daugther cells is called

49 / 50

49. After sexual reproduction off-springs are similar to parents in some traits due to

50 / 50

50. A scientist cross red colored plant with gene(Rb) with another Red colored plant with gene (Rb). If R stands for red color and b for blue color plant. Which of the following is not correct

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Genetics & Variation 2

There are 50 multiple choice questions in this MCQ. The pass mark is 90%. Best of Luck

1 / 50

1. Which of the following will result from a cross between Yy and Yy

2 / 50

2. Women do not suffer color bilindness because

3 / 50

3. if a DNA stran has base sequence AGT, the complementary strand must be

4 / 50

4. If R and r denote the genes for a character, the offspring of the cross between RR and Rr are:

5 / 50

5. In the gene locus for eye colour in humans, the allele for brown eyes is dominant over the allele for blue eyes. If a homozygous brown-eyed girl has a brother with blue eyes, what are the likely phenotypes of their parents’ eye colour?

6 / 50

6. A gene which expresses itself only in the homozygous condition is

7 / 50

7. A man who is heterozygous for hemophillia marries a woman who is double recessive, what percentage of their children will have hemophilia

8 / 50

8. If a plant, homozygous for round and yellow (RR;YY), is crossed with a wrinkled green type (rr;yy), all of the resulting seeds will be

9 / 50

9. A man who is a carrier of hemophilia trait marries a woman who is homozygous recessive, what percentage of their children will have hemophilia

10 / 50

10. A man with blood group A is married to a woman with blood group A. Which of the following group combinations is possible if the family has three children?

11 / 50

11. The ratio of carriers to sicklers in the F1 generation derived from a parental cross of two carriers of the hemoglobin S gene is:

12 / 50

12. A tall plant crossed with a dwarf plant produces offspring of which half are tall and half are dwarf. What are the genotypes of the parents?

13 / 50

13. An accurate identification of an offender(for example a rapist) can be carried out by

14 / 50

14. Which of the following is monohybrid cross

15 / 50

15. A man an his wife are heterozygous for sickle cell trait, the percentage of their children that will be carriers or sicklers will be

16 / 50

16. Sex-linked traits are located on

17 / 50

17. A yellow maize is planted, and all the fruits obtained have yellow seeds. When they are cross-bred, yellow seeds and white seeds are obtained in a ratio of 3:1. The yellow seed is said to be:

18 / 50

18. The F1 of a cross between a tall and a dwarf plant was tall. The F1 was advanced to F2. How many of 120 F2 plants will be dwarf?

19 / 50

19. If the Allelel for baldness is Bb, a female carrier will have what chromosome

20 / 50

20. The hereditary material of the cell is:

21 / 50

21. A mammal with red fur and long ears was crossed with another having white fur and short ears. If the offspring had red fur and short ears, then

22 / 50

22. Which of the following is sex linked

23 / 50

23. If a DNA strand has base sequence ACT, the complementary stand must be

24 / 50

24. The character producing factors in living organisms are

25 / 50

25. Which of the following is correct about a recessive allele

26 / 50

26. A colorblind man marrier a carrier woman, what percentage of their children will be colorblind

27 / 50

27. Aman with a normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS).They have a child who has sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin ?

28 / 50

28. If XN is the dominant allele for color blindness and Xn is the recessive allele. A boy with chromome YXn will be

29 / 50

29. People with sickle-cell anaemia have haemoglobin:

30 / 50

30. The number of chromosomes in each somatic cell is

31 / 50

31. If a woman’s genotype is Tt Qq Rr, what would be the gene content of her eggs?

32 / 50

32. Which of the following is true of the children of a hemophilic man who marries a woman that is not hemophilic and does not carry the trait?

33 / 50

33. A man who has the trait for color blindness marries a normal woman. What percentage of their children would be sufferers, carriers, and normal respectively?

34 / 50

34. In a mendelian cross of red and white plant, the exhibition of incomplete dorminance in the off-spring will give

35 / 50

35. When two parents are carriers of albinism gene, how many of their off-springs will be albinos

36 / 50

36. The biological factor that is unique to all individual is

37 / 50

37. Both recessive and dominant characters are found on

38 / 50

38. Which of the following is a discontinuous variation

39 / 50

39. The inheritable characters that are determined by a gene located on the X- chromosome is

40 / 50

40. If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned?

41 / 50

41. The correct ordering of the hereditary material based on size is

42 / 50

42. Which of the following is not correct about albinism

43 / 50

43. A cross where only one characteristic is considered is refered to as

44 / 50

44. The basic point of impact which leads to mutation is

45 / 50

45. The probability of being a boy or girl depends on the

46 / 50

46. The sex-linked defect in which very slight cuts produce severe bleeding is known as:

47 / 50

47. The first four children of a couple were girls, the probability of the 5th being a girl is

48 / 50

48. A feature associated with Y chromosome in humans

49 / 50

49. The DNA molecule is a chain of repeating

50 / 50

50. A dog lost its tail in an accident, if it crosses another dog with normal tail, how many of the puppies will be born without tail

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Genetics & Variation 3

There are 50 questions in this Quiz. The pass mark is 90%. Best of Luck!

1 / 50

1. When there is incorrect blood transfusion, which of the following occurs

2 / 50

2. Which of the following is correct about a recessive allele

3 / 50

3. During fertilization if the ovum receives X chromosome from the sperm, which of the following will occur

4 / 50

4. which of the following is not correct about a dominant allele

5 / 50

5. A type of genetic inheritance where a trait is controlled by two or more genes, each contributing to the overall phenotype

6 / 50

6. When incorrect blood transfusion or blood transfusion mismatche occurs. Which of the following will happen

7 / 50

7. Which of the following is a recessive gene trait

8 / 50

8. Which of the following kind of breeding leads to stronger offsprings than the parents

9 / 50

9. Which antigen is present on the cell of person with blood group A

10 / 50

10. An accurate identification of an offender(for example a rapist) can be carried out by

11 / 50

11. Which of the following is not a genetically determined factor that can be used to differentiate individuals

12 / 50

12. Mating of individuals of same species but different genetic characteristics is

13 / 50

13. Which of the following is not inherited in a recessive trait

14 / 50

14. A man who is heterozygous for hemophillia marries a woman who is double recessive, what percentage of their children will have hemophilia

15 / 50

15. Which of the following is correct about a recessive allele

16 / 50

16. Which of the following is sex linked

17 / 50

17. A man who is a carrier of hemophilia trait marries a woman who is homozygous recessive, what percentage of their children will have hemophilia

18 / 50

18. During fertilization if the ovum receives Y chromosome from the sperm , which of the following will occur

19 / 50

19. The differences between individuals is called

20 / 50

20. Which of the following is the genotype of blood group A

21 / 50

21. Which of the following is a disadvantage of inbreeding in humans

22 / 50

22. Which of the following is inherited as a recessive trait

23 / 50

23. Which of the following trait is not inherited in a recessive trait

24 / 50

24. To reduce sickle cell disease and trait in a population which of the following is correct

25 / 50

25. Mating between closely related organisms such as father and daughter is called

26 / 50

26. When two parents are carriers of albinism gene, how many of their off-springs will be albinos

27 / 50

27. Which of the following blood groups is a universal recipient

28 / 50

28. Which of the following is not correct about albinism

29 / 50

29. Which of the following is not a genetically determined factor that can be used to differentiate individuals

30 / 50

30. Which of the following is not a type of blood group

31 / 50

31. When more than one pair of allele control for same trait it is referred to as

32 / 50

32. which of the following is correct about blood group O

33 / 50

33. the crossign of two completely unrelated strains of organism is

34 / 50

34. Which of the following is the genotype of blood group O

35 / 50

35. Which of the following blood groups is a universal donor

36 / 50

36. A man with blood group AB marries a woman with blood group O, how many of their children will be blood group O

37 / 50

37. Which of the following is correct about blood group O

38 / 50

38. A man has blood group A which of the following is correct

39 / 50

39. which of the following is not a type of polygenic inheritance

40 / 50

40. Which of the following will result from a cross between Yy and Yy

41 / 50

41. Which of the following is not correct

42 / 50

42. An example of trait controlled by more than one gene or multiple allele is

43 / 50

43. To avoid sickle cell off-springs which of the following is correct

44 / 50

44. A dog lost its tail in an accident, if it crosses another dog with normal tail, how many of the puppies will be born without tail

45 / 50

45. Which of the following is the genotype of blood group AB

46 / 50

46. A situation where cross between unrelated strains leads to stronger off-spring is called

47 / 50

47. When two parents are carriers of albinism gene, how many of their off-springs will be albinos

48 / 50

48. Which of the following is not correct about a woman of blood group O and husband of blood group AB

49 / 50

49. People without antigen on their blood cells have blood group

50 / 50

50. During cell division, the process that leads to variation between individuals is

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Biology: Excretion

1 / 50

1. excretion1_Removal of products of metabolic activities which may become harmful to the body is called

2 / 50

2. excretion41_which of the following receptors is not present in the skin

3 / 50

3. excretion7_which of the following strucures is not used for excretion

4 / 50

4. excretion11_Which of the following is not used for excretion in mammals

5 / 50

5. excretion21_Which of the following is used for excretion in shrimp, a crustacean

6 / 50

6. excretion42_Animals that are not able to regulate their body temperature are

7 / 50

7. excretion38_which of the following processes generates body heat during cold weather

8 / 50

8. excretion34_Which of the following structures does not develop from the skin

9 / 50

9. excretion48_Which of the following is not a structure in the skin

10 / 50

10. excretion18_which of the following is not used for excretion in plants

11 / 50

11. excretion23_Which of the following trio are used for excretion in man

12 / 50

12. excretion16_which of the following is used for excretion in earthworm

13 / 50

13. excretion14_which of the following is used for excretion in arachnids

14 / 50

14. excretion44_Animals that are not able to maintain their body temperature are

15 / 50

15. excretion28_Which of the following is breathing pores present at the bark of woody trees

16 / 50

16. excretion25_Which of the following is used for excretion in spider

17 / 50

17. excretion33_which of the following is not a function of the skin in man

18 / 50

18. excretion43_Animals that are able to maintain their body temperature

19 / 50

19. excretion36_which of the following is not a good advice for the care of the skin

20 / 50

20. excretion13_which of the following is used for excretion in flatworm

21 / 50

21. excretion17_which of the following is used for excretion in crustacea

22 / 50

22. excretion45_Animals that are able to maintain their body temperature

23 / 50

23. excretion9_which of the following isnot used for excretion

24 / 50

24. excretion35_Which of the following structures does not develop from the skin

25 / 50

25. excretion8_which of the following strucures is not used for excretion

26 / 50

26. excretion24_which of the following group is used for excretion in man

27 / 50

27. excretion30_which of the following is not correct about excretion

28 / 50

28. excretion19_which of the following is used for excretion in whales

29 / 50

29. excretion6_which of the following is not a waste product in plants

30 / 50

30. excretion20_Which of the folowing isused for excretion in amoeba

31 / 50

31. excretion46_Which of the following is not a layer in the epidermis of the skin

32 / 50

32. excretion10_which of the following is used for excretion in fish

33 / 50

33. excretion5_in which organ is protein or amino acid deaminated for excretion

34 / 50

34. excretion31_Sebum is oily substance which lubricates hair and keeps it flexible. Which of the following secretes sebum

35 / 50

35. excretion37_which of the following does not occur in hot weather

36 / 50

36. excretion2_Which of the following is not one of the main waste products in animals

37 / 50

37. excretion27_Which of the following is excretory structure in flatworms like tapeworms

38 / 50

38. excretion3_which of the following waste products helps to conserve energy while excreting nitrogenous waste

39 / 50

39. excretion39_which of the following causes increased sweating

40 / 50

40. excretion12_Which of the following is not used for excretion in mammals

41 / 50

41. excretion49_Which layer of the skin contains the blood vessles, nerves and glands

42 / 50

42. excretion47_which of the following are the two main layers of the skin

43 / 50

43. excretion50_which of the following is not a function of the skin in man

44 / 50

44. excretion26_which of the following is used for excretion in protozoa

45 / 50

45. excretion29_which of the following is not true about transpiration

46 / 50

46. excretion15_which of the following is used for excretion in cockroach

47 / 50

47. excretion40_which of the following causes straightening of the skin hairs in cold weather

48 / 50

48. excretion22_Which of the following pairs is used for excretion in man

49 / 50

49. excretion4_Which of the following terrestial animals does not use uric acid in excretion

50 / 50

50. excretion32_which of the following is not a function of the skin in man

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