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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 is not a property of living organisms

2 / 50

2. Which of the following is not correct about photosynthesis

3 / 50

3. What is nutrition

4 / 50

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

5 / 50

5. which of the following is the most abundant animal

6 / 50

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

7 / 50

7. Which of the following is the most abundant plant

8 / 50

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

9 / 50

9. Which of the following is not correct

10 / 50

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

11 / 50

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

12 / 50

12. which of the following is not used for movement

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

16. which of the following is absent in plant cell

17 / 50

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

18 / 50

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

19 / 50

19. Which of the following is not correct about animals

20 / 50

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

21 / 50

21. The process of classifying organisms into groups is called

22 / 50

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

23 / 50

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

24 / 50

24. what organelle is used for storage of starch

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

28. Which of the followign is correct

29 / 50

29. Which of the following is a green filamentous algae

30 / 50

30. Which of the following is not correct about bacteria

31 / 50

31. Which of the following is not correct about plants

32 / 50

32. Mammals that lay eggs are called

33 / 50

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

34 / 50

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

35 / 50

35. Each thread of a mucor is called

36 / 50

36. The slimy covering of spirogyra is

37 / 50

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

38 / 50

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

39 / 50

39. What is excretion

40 / 50

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

41 / 50

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

42 / 50

42. Which of the following responds to light stimulus

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

46. Who discovered penicillin antibiotics

47 / 50

47. Which of the following definition is not correct

48 / 50

48. which of the following exists at tissue level

49 / 50

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

50 / 50

50. Which of the following is not correct

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Classification 2

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

1 / 50

1. Viruses are regarded as non-living because they

2 / 50

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

3 / 50

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

4 / 50

4. which of the following is not an algae

5 / 50

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

6 / 50

6. Organisms within which level can mate and procreate

7 / 50

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

8 / 50

8. Which of the following is seed-bearing?

9 / 50

9. Bryophytes differ from flowering plants because they:

10 / 50

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

11 / 50

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

12 / 50

12. which of the following is not correct about coelenterates

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. Which of these animals is radially symmetrical?

21 / 50

21. crops that complete their lifecycle in two years

22 / 50

22. In Spirogyra, the pyrenoid

23 / 50

23. the sting cells of coelenterates is

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

28. Which of the following is not correct about bacteria

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

33. which of the following is not a fungus

34 / 50

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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

38. which of the following is not an algae

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

43. Euglena is considered an autotrophic organism because it

44 / 50

44. which of the following is not correct about coelenterates

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

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

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Classification 3

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

1 / 50

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

7. Which of the following is not correct about hydra

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. Which of the following is not correct about hydra

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. Which of the following is not correct about sponges

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

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

36 / 50

36. Which of the following is not correct about hydra

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

42. Which of the following is not correct about nematodes

43 / 50

43. Which of the following is not correct about hydra

44 / 50

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

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

48. Which of the following is not correct about sponges

49 / 50

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

50 / 50

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

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

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. 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

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

2 / 2

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

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

2 / 2

2. 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

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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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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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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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3
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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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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. transport38_The greatest loss of water from the surface of leaves or plant shoot occurs through the

2 / 50

2. transport5_the mode of nutrition in unicellular organisms is

3 / 50

3. transport33_the nutrient and hormone conducting structure in plant is

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

8. transport27_the beating of the heart is timed by the

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

14. transport31_which of the following carries deoxygenated blood

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

26. transport14_which of the following is not found in blood

27 / 50

27. 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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. transport4_the mode of excretion in unicellular organism is

32 / 50

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

33 / 50

33. transport30_which of the following carreis oxygenated blood

34 / 50

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

35 / 50

35. transport24_The heart is located in the

36 / 50

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

37 / 50

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

38 / 50

38. transport42_Which of the following is not translocated in plant

39 / 50

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

40 / 50

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

41 / 50

41. transport46_Which of the following does not have open circulation

42 / 50

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

43 / 50

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

44 / 50

44. transport41_which of the following is not correct about guttation

45 / 50

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

46 / 50

46. transport13_the fluid portion of blood is called

47 / 50

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

48 / 50

48. transport12_what are the two components of blood in humans

49 / 50

49. 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

50 / 50

50. transport16_the component of red cells that transports oxygen is

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Biology: Transportation 2

1 / 50

1. transport67_which of the following produces antibodies

2 / 50

2. transport85_Which of the following is not correct

3 / 50

3. transport56_which of the following is not part of plasma

4 / 50

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

5 / 50

5. transport62_how is carbondioxide excreted from human body

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. transport88_the two main vascular tissue in plants is

21 / 50

21. transport86_the process of transportation in algae is

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. transport77_During exercise the heart beats

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. transport61_how is carbondioxide excreted from human body

32 / 50

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

33 / 50

33. transport94_In mammals, the pulmonary artery carries:

34 / 50

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

35 / 50

35. transport73_Lack of nucleus is a feature in?

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

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

43 / 50

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

44 / 50

44. transport55_which of the following is not part of plasma

45 / 50

45. transport78_the vein and artery supplying the heart muscles are

46 / 50

46. transport90_the phloem is made of of companion cells and

47 / 50

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

48 / 50

48. transport57_Which of the following is not a blood cell

49 / 50

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

50 / 50

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

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Biology: Sense Organs

1 / 50

1. sense44_which of the following is the eardrum

2 / 50

2. sense49_the nerve that is involved with vision

3 / 50

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

4 / 50

4. sense7_which of the folowing receptors senses joint position

5 / 50

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

6 / 50

6. sense8_which of the following receptors detects pressure or touch

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

15. sense21_which of the following removes bacteria from the eyes

16 / 50

16. sense37_which of the following is not correct

17 / 50

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

18 / 50

18. sense38_the ear has how many parts

19 / 50

19. sense40_the part of the ear from outside in is

20 / 50

20. sense2_how many sense organs do human have

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

24. sense39_all the following are parts of the ear except

25 / 50

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

26 / 50

26. sense33_which of the following is not correct

27 / 50

27. sense27_the light senstive part of the eye is the

28 / 50

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

29 / 50

29. sense36_which of the following animal have slit pupils

30 / 50

30. sense1_Which of the following is not a sense organ

31 / 50

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

32 / 50

32. sense10_The temperature receptors on the skin are

33 / 50

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

34 / 50

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

35 / 50

35. sense31_Which of the following is not correct

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

40. 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

41 / 50

41. sense50_the nerve that is involved with hearing

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

45. sense11_The receptors in the eyes that perceive vision are

46 / 50

46. sense20_which of the following produces tears

47 / 50

47. sense35_which of the following animal have round pupils

48 / 50

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

49 / 50

49. sense34_which of the following animal have round pupils

50 / 50

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

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Biology: Sense Organs Vol 2

1 / 50

1. sense53_the part of the tongue that tastes bitterness is

2 / 50

2. sense58_which of the following is not involved in vision

3 / 50

3. sense54_the part of the tongue that tastes salt is

4 / 50

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

5 / 50

5. sense81_the organism that causes river blindness is

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

9. sense98_the correct order in the mechanism of perceiving taste

10 / 50

10. sense51_the nerve that is involved with smell

11 / 50

11. sense70_which of the following refers to long sightedness

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

19. sense52_the part of the tongue that tastes sweetness is

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

31. sense96_the correct order in the mechanism of perceiving smell

32 / 50

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

33 / 50

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

34 / 50

34. sense95_which of the following have good sense of smell

35 / 50

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

36 / 50

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

37 / 50

37. sense74_which of the following conditions requires bifocal lens

38 / 50

38. sense76_which of the following is not correct about presbyopia

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. sense84_which of the following is required for night vision

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

48. sense55_the part of the tongue that tastes sour is

49 / 50

49. sense69_which of the following refers to short-sightedness

50 / 50

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

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Respiration 1

1 / 50

1. resp23_The tracheal system is used for respiration in

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

17. resp22_which of the following use external gills for respiration

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

22. 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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

27. resp32_which of the followin gis the voice box

28 / 50

28. 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

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

34. resp10_which of the following has a respiratory system

35 / 50

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

36 / 50

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

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

48. resp49_What is respiratory quotient during respiration

49 / 50

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

50 / 50

50. 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

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

2 / 50

2. 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

3 / 50

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

4 / 50

4. The two strands that form the chromosome are called

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

12. Which of the following is not correct

13 / 50

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

14 / 50

14. The haploid number of chromosomes is

15 / 50

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

16 / 50

16. 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

17 / 50

17. The component of structure which directly determines inheritance is

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

22. Which of the following is not correct

23 / 50

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

24 / 50

24. 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

25 / 50

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

26 / 50

26. 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

27 / 50

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

28 / 50

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

29 / 50

29. Which of the following is not present in RNA

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

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

36 / 50

36. Which of the following is correct

37 / 50

37. which of the following is not correct

38 / 50

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

39 / 50

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

40 / 50

40. 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

41 / 50

41. which of the following is not determined by DNA

42 / 50

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

43 / 50

43. the diploid number of chromosomes is

44 / 50

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

45 / 50

45. 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

46 / 50

46. The physical manifestation of the genetic inheritance is called

47 / 50

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

48 / 50

48. which of the following is not correct

49 / 50

49. 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

50 / 50

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

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

2 / 50

2. The hereditary material of the cell is:

3 / 50

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

4 / 50

4. The DNA molecule is a chain of repeating

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

8. A feature associated with Y chromosome in humans

9 / 50

9. 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

10 / 50

10. Which of the following is not correct about albinism

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

14. 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?

15 / 50

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

16 / 50

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

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

19 / 50

19. 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

20 / 50

20. Both recessive and dominant characters are found on

21 / 50

21. 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?

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. 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?

26 / 50

26. 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 ?

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

30. Which of the following is sex linked

31 / 50

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

32 / 50

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

33 / 50

33. Which of the following is monohybrid cross

34 / 50

34. 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?

35 / 50

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

36 / 50

36. People with sickle-cell anaemia have haemoglobin:

37 / 50

37. Sex-linked traits are located on

38 / 50

38. Women do not suffer color bilindness because

39 / 50

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

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. 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

42 / 50

42. 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?

43 / 50

43. The character producing factors in living organisms are

44 / 50

44. 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?

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

48. Which of the following is a discontinuous variation

49 / 50

49. The number of chromosomes in each somatic cell is

50 / 50

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

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

2 / 50

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

3 / 50

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

4 / 50

4. Which of the following is sex linked

5 / 50

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

6 / 50

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

7 / 50

7. The differences between individuals is called

8 / 50

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

9 / 50

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

10 / 50

10. 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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

23. Which of the following is not correct

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

38. Which of the following is a recessive gene trait

39 / 50

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

40 / 50

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

41 / 50

41. Which of the following is not correct about albinism

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

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

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Biology: Excretion

1 / 50

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

2 / 50

2. excretion29_which of the following is not true about transpiration

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

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

14 / 50

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

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

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

21 / 50

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

22 / 50

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

23 / 50

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

24 / 50

24. excretion30_which of the following is not correct about excretion

25 / 50

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

26 / 50

26. excretion45_Animals that are able to maintain their body temperature

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

30. excretion39_which of the following causes increased sweating

31 / 50

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

32 / 50

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

33 / 50

33. excretion43_Animals that are able to maintain their body temperature

34 / 50

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

35 / 50

35. excretion20_Which of the folowing isused for excretion in amoeba

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

44. excretion9_which of the following isnot used for excretion

45 / 50

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

46 / 50

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

47 / 50

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

48 / 50

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

49 / 50

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

50 / 50

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

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