Posted inunclassified Biology: Excretion Posted by By Agodirin October 16, 2024No Comments Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 1 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Created by Agodirin Biology: Excretion 1 / 50 1. excretion40_which of the following causes straightening of the skin hairs in cold weather A) sweat pore B) erector muscle C) fatty layer D) sebaceous gland The erector muscles contract in cold weather, causing the hairs to stand upright (piloerection), which helps to trap a layer of air for insulation. Other Options: Sebaceous gland: Produces oil for the skin but does not affect hair position. Fatty layer: Provides insulation but does not cause hair to straighten. Sweat pore: Opens for sweat release, not related to hair position. 2 / 50 2. excretion38_which of the following processes generates body heat during cold weather A) increased sweating B) the skin hairs become flatted to reduce air trapping between them C) shivering D) the vessels of the skin dilate to increase heat loss Shivering generates heat as muscles contract rapidly to maintain body temperature. Other Options: Increased sweating: Occurs in hot weather, not cold. The skin hairs become flattened: This would reduce insulation, not generate heat. The vessels of the skin dilate to increase heat loss: This occurs to release heat, not generate it 3 / 50 3. excretion29_which of the following is not true about transpiration A) it is the process of water loss by vapours B) It occurs through the stomata and lenticel C) it occurs mainly at night D) it occurs in plants but not in animals Transpiration primarily occurs during the day when stomata are open for photosynthesis. Other Options: It occurs through the stomata and lenticel: True; both are involved in gas exchange. It occurs in plants but not in animals: True. It is the process of water loss by vapors: True 4 / 50 4. excretion47_which of the following are the two main layers of the skin A) epidermis and dermis B) malpighian and Conified layer C) dermis and granular layer D) Granular and conified layer The skin consists of two main layers: the epidermis (outer layer) and the dermis (inner layer). Other Options: Granular and cornified layer: These are layers within the epidermis. Malpighian and cornified layer: Incorrect terminology; only the Malpighian layer is part of the epidermis. Dermis and granular layer: The granular layer is not a separate layer but part of the epidermis 5 / 50 5. excretion43_Animals that are able to maintain their body temperature A) cold blooded B) autotroph C) warm blooded D) sensitive Warm-blooded animals (endothermic) can regulate their body temperature internally, regardless of external conditions. Other Options: Cold blooded: Refers to animals that cannot regulate their body temperature. Sensitive: Not a classification of temperature regulation. Autotroph: Refers to organisms that produce their own food, not temperature 6 / 50 6. excretion25_Which of the following is used for excretion in spider A) nephridium B) green gland C) booklung D) lung book lungs in spiders do help expel CO₂, which is a waste product of respiration. That’s part of their respiratory function. However, for excretion of nitrogenous wastes and other metabolic byproducts, spiders primarily rely on their malpighian tubules 7 / 50 7. excretion34_Which of the following structures does not develop from the skin A) claw B) kidneys C) horn D) mammary gland Kidneys are internal organs that do not develop from skin tissue. Other Options: Horn: Develops from skin. Mammary gland: Develops from skin. Claw: Develops from skin. 8 / 50 8. excretion49_Which layer of the skin contains the blood vessles, nerves and glands A) epidermis B) dermis C) fatty layer D) muscle The dermis contains blood vessels, nerve endings, hair follicles, and glands. Other Options: Epidermis: The outer layer, primarily composed of epithelial cells and does not contain blood vessels. Fatty layer: Provides insulation but is not the primary layer for blood vessels and glands. Muscle: Not a layer of the skin 9 / 50 9. excretion20_Which of the folowing isused for excretion in amoeba A) ribosome B) contractile vacuole C) golgi apparatus D) pyrenoid The contractile vacuole in amoeba helps regulate water balance and excrete excess water and waste products. 10 / 50 10. excretion30_which of the following is not correct about excretion A) it is the process of removing wastes B) it occurs through the stomata in plants C) it occurs in plants and animals D) it occurs only at night Excretion occurs continuously, not just at night. Other Options: It occurs in plants and animals: True. It occurs through the stomata in plants: True. It is the process of removing wastes: True 11 / 50 11. excretion48_Which of the following is not a structure in the skin A) sebaceous gland B) semi-circular canal C) hair follicle D) pacinian corpuscles The semi-circular canals are part of the inner ear, not the skin. Other Options: Hair follicle: A structure in the skin associated with hair growth. Pacinian corpuscles: Found in the skin for pressure sensation. Sebaceous gland: Produces oil in the skin 12 / 50 12. excretion45_Animals that are able to maintain their body temperature A) heterotroph B) homiothermic C) monotrene D) poikilothermic Warm-blooded animals can maintain a stable body temperature, regardless of external changes. Other Options: Monotrene: Refers to a group of egg-laying mammals, not specific to temperature regulation. Poikilothermic: Refers to animals that cannot regulate their body temperature. Heterotroph: Refers to organisms that consume other organisms for energy 13 / 50 13. excretion13_which of the following is used for excretion in flatworm A) nephridia B) flame cell C) Malphigian tubule D) booklung Flame cells are specialized excretory cells in flatworms that help in the removal of waste. Other Options: Nephridia: Found in annelids, not flatworms. Malpighian tubule: Found in insects, not in flatworms. Book lung: A respiratory structure in arachnids to excrete carbondioxide 14 / 50 14. excretion21_Which of the following is used for excretion in shrimp, a crustacean A) booklung B) malpighian tubule C) gills D) green gland The green gland (or antennal gland) in shrimp is responsible for excretion of nitrogenous waste 15 / 50 15. excretion4_Which of the following terrestial animals does not use uric acid in excretion A) fowl B) pigeon C) lizard D) goat Goats excrete urea, while birds and some reptiles (like lizards and fowls) primarily excrete uric acid 16 / 50 16. excretion33_which of the following is not a function of the skin in man A) reproduction B) maintenance of body temperature C) sensitivity D) regulation of body water While the skin plays many roles, it is not directly involved in reproduction. Other Options: Sensitivity: The skin has sensory receptors. Regulation of body water: The skin helps in water loss. Maintenance of body temperature: The skin plays a critical role in thermoregulation 17 / 50 17. excretion1_Removal of products of metabolic activities which may become harmful to the body is called A) respiration B) reproduction C) excretion D) nutrition Excretion is the process by which organisms remove waste products of metabolism that can be harmful to the body. Other Options: Respiration: This is the process of exchanging gases (oxygen and carbon dioxide).Nutrition: This involves the intake of food and nutrients. Reproduction: This is the process of producing offspring 18 / 50 18. excretion11_Which of the following is not used for excretion in mammals A) kidney B) duodenum C) skin D) lung The duodenum is part of the digestive system and is responsible for the digestion of food, not for excretion. Other Options: Skin: Can excrete waste products through sweat. Kidney: The primary organ for excreting waste. Lung: Excretes carbon dioxide as a waste product of respiration. 19 / 50 19. excretion15_which of the following is used for excretion in cockroach A) Malphigian tubule B) nephridia C) flame cell D) nephron Cockroaches excrete waste using Malpighian tubules, which help in the removal of nitrogenous waste. Other Options: Flame cell: Not applicable to cockroaches; specific to flatworms. Nephridia: Found in annelids, not in insects. Nephron: Found in mammals, not in cockroaches 20 / 50 20. excretion32_which of the following is not a function of the skin in man A) absorbtion of water B) physical protection C) heat regulation D) excretion The skin does not absorb significant amounts of water; its main functions include protection, sensation, and regulation. Other Options: Excretion: The skin can excrete waste through sweat. Heat regulation: The skin helps regulate body temperature. Physical protection: The skin serves as a barrier against pathogens 21 / 50 21. excretion2_Which of the following is not one of the main waste products in animals A) Urea B) Ammonia C) oxygen D) carbondioxide Oxygen is not a waste product; it is vital for respiration. The main waste products in animals include carbon dioxide, ammonia, and urea. Other Options: Carbon dioxide: A waste product of cellular respiration. Ammonia: A toxic nitrogenous waste product. Urea: A less toxic nitrogenous waste product formed from ammonia 22 / 50 22. excretion8_which of the following strucures is not used for excretion A) golgi apparatus B) flame cell C) contractile vacuole D) Malphigian tubule The Golgi apparatus is involved in modifying, sorting, and packaging proteins and lipids but is not directly involved in excretion. Other Options: Flame cell: An excretory structure in flatworms. Contractile vacuole: An excretory organelle in some protozoa. Malpighian tubule: An excretory structure in insects 23 / 50 23. excretion16_which of the following is used for excretion in earthworm A) flame cell B) nephron C) Malphigian tubule D) nephridia Earthworms use nephridia as their excretory structures to eliminate waste. Other Options: Flame cell: Not found in earthworms; specific to flatworms. Malpighian tubule: Found in insects, not in earthworms. Nephron: Found in mammals, not in earthworms. 24 / 50 24. excretion24_which of the following group is used for excretion in man A) muscle, kidney, liver, skin B) kidney, heart, skin, lung C) kidney, liver, skin, bone D) kidney, liver, skin, lung Kidney, liver, skin, lung . Explanation: This group accurately includes the major organs involved in excretion in humans. Other Options: Kidney, liver, skin, bone: Bone is not primarily involved in excretion. Muscle, kidney, liver, skin: Muscle is not primarily involved in excretion. Kidney, heart, skin, lung: The heart is not involved in excretion 25 / 50 25. excretion39_which of the following causes increased sweating A) bathing in cold water B) hot weather C) taking cold water D) cold weather Hot weather stimulates sweat glands to cool the body through evaporation. Other Options: Cold weather: Typically decreases sweating. Taking cold water: Would not cause increased sweating. Bathing in cold water: Would not stimulate sweating 26 / 50 26. excretion6_which of the following is not a waste product in plants A) latex B) resin C) carbondioxide D) oxygen Oxygen is a byproduct of photosynthesis and is not considered a waste product. Other Options: Carbon dioxide: Excreted during respiration. Resin: Can be considered a waste product. Latex: Can also be a waste or protective secretion 27 / 50 27. excretion44_Animals that are not able to maintain their body temperature are A) homiothermic B) sensitive C) cold blooded D) warm blooded Cold-blooded animals (ectothermic) rely on environmental temperatures to regulate their body heat. Other Options: Warm blooded: Able to maintain body temperature. Homiothermic: Usually refers to warm-blooded animals. Sensitive: Not a classification related to temperature 28 / 50 28. excretion27_Which of the following is excretory structure in flatworms like tapeworms A) malpighian tubule B) green gland C) flame cells D) nephridium Nephridia are the excretory structures in flatworms, helping in waste removal. Other Options: Contractile vacuole: Found in protozoa, not in flatworms. Malpighian tubule: Found in insects. Green gland: Found in crustaceans 29 / 50 29. excretion5_in which organ is protein or amino acid deaminated for excretion A) colon B) kidney C) liver D) heart The liver is responsible for deaminating amino acids, converting them into urea for excretion. Other Options: Heart: Primarily involved in circulation, not metabolism. Kidney: Involved in filtering blood and excreting waste, but not in deamination. Colon: Mainly involved in water absorption and feces formation 30 / 50 30. excretion41_which of the following receptors is not present in the skin A) osmoreceptor B) touch receptors C) pain receptor D) pressure receptor Osmoreceptors are found in the hypothalamus and are involved in regulating water balance, not in the skin. Other Options: Pain receptor: Present in the skin to detect pain. Touch receptors: Present in the skin to detect touch. Pressure receptor: Present in the skin to detect pressure 31 / 50 31. excretion9_which of the following isnot used for excretion A) lenticel B) kidney C) sucker D) stomata Lenticels are small openings in the stems of plants with hard back, for gas exchange, not for excretion. Other Options: Kidney: The primary organ for excretion in mammals. Stomata: Openings in leaves for gas exchange, which can involve waste gases. Sucker: Generally not related to excretion . suckers are for feeding 32 / 50 32. excretion37_which of the following does not occur in hot weather A) the vessels of the skin dialate B) the skin hairs become flattened to reduce air trapping between them C) increased sweating D) there is shivering There is shivering. Explanation: Shivering is a response to cold, not hot weather. Other Options: Increased sweating: Occurs in hot weather to cool the body. The skin hairs become flattened: This is a response to heat. The vessels of the skin dilate: This occurs to increase heat loss 33 / 50 33. excretion22_Which of the following pairs is used for excretion in man A) kidney and heart B) bone and gallbladder C) lung and muscle D) liver and skin Both the liver and skin play roles in excretion; the liver processes waste and the skin can excrete sweat. Other Options: Kidney and heart: The heart is not involved in excretion. Lung and muscle: The lung excretes carbon dioxide, but muscles do not play a direct role in excretion. Bone and gallbladder: Neither is primarily involved in excretion 34 / 50 34. excretion26_which of the following is used for excretion in protozoa A) Malphigian tubule B) nephridia C) contractile vacuole D) booklung The contractile vacuole helps in excreting excess water and waste products in protozoa. Other Options: Nephridia: Found in annelids, not protozoa. Malpighian tubule: Found in insects. Booklung: A respiratory structure in arachnids 35 / 50 35. excretion31_Sebum is oily substance which lubricates hair and keeps it flexible. Which of the following secretes sebum A) hair follicles B) Dermis C) sebaceous gland D) sweat gland Sebaceous glands are responsible for producing sebum, which lubricates the skin and hair. Other Options: Sweat gland: Produces sweat, not sebum. Hair follicles: Do not secrete sebum directly. Dermis: Contains glands but does not secrete sebum itself 36 / 50 36. excretion12_Which of the following is not used for excretion in mammals A) Malphigian tubule B) skin C) nephron D) liver Malpighian tubules are excretory structures found in insects, not in mammals. Other Options are used by mammals for excretion: Liver: Plays a role in detoxification and waste processing. Nephron: The functional unit of the kidney involved in excretion. Skin: Involved in excretion through perspiration 37 / 50 37. excretion18_which of the following is not used for excretion in plants A) leave B) xylem C) stomata D) lenticel Xylem is primarily involved in the transport of water and nutrients, not in excretion. Other Options: Lenticel: Involved in gas exchange and can play a role in excreting gases. Stomata: Openings for gas exchange, which can include the release of gases. Leave: Can be involved in excretion of waste gases through stomata 38 / 50 38. excretion19_which of the following is used for excretion in whales A) lenticel B) gills C) green gland D) kidney Whales use kidney for excretion of urine. Gills: Whales, being mammals, do not have gills for breathing. However, they do have lungs and breathe air. While they don't excrete through gills, they rely on their lungs for gas exchange. Green gland: This is an excretory organ found in some crustaceans, not in whales. Book lung: This is a respiratory structure found in arachnids (like spiders), not applicable to whales. Lenticel: These are small openings in the stems of plants for gas exchange, not related to excretion in whales 39 / 50 39. excretion14_which of the following is used for excretion in arachnids A) booklung B) nephridia C) gills D) flame cell A respiratory structure 40 / 50 40. excretion50_which of the following is not a function of the skin in man A) absorbtion of water B) storage of fat C) insulation D) production of vitamin D The skin is not designed to absorb significant amounts of water; its primary functions include protection, sensation, and thermoregulation. Other Options: Production of vitamin D: The skin synthesizes vitamin D when exposed to sunlight. Insulation: The skin helps regulate body temperature. Storage of fat: The fatty layer provides energy storage and insulation 41 / 50 41. excretion10_which of the following is used for excretion in fish A) lenticel B) gill C) nephridium D) malpighian tubule Fish excrete ammonia, a nitrogenous waste, through their gills, where it diffuses into the water. Other Options: Lenticel: This is involved in gas exchange in plants, not in excretion. Nephridium: An excretory organ in some invertebrates, but not in fish. Malpighian tubule: This is found in insects, not in fish 42 / 50 42. excretion7_which of the following strucures is not used for excretion A) nephron B) pyrenoid C) nephridium D) contractile vacuole The pyrenoid is involved in carbon fixation during photosynthesis in algae and is not related to excretion. Other Options: Nephron: The functional unit of the kidney involved in excretion. Nephridium: An excretory organ in many invertebrates like earthworm. Contractile vacuole: An excretory structure in some protozoa 43 / 50 43. excretion35_Which of the following structures does not develop from the skin A) scale B) nail C) hoof D) bone Bone does not develop from skin; it is derived from mesenchymal tissue. Other Options: Hoof: Develops from skin. Nail: Develops from skin. Scale: Develops from skin 44 / 50 44. excretion42_Animals that are not able to regulate their body temperature are A) homiothermic B) homeostatic C) poikilothermic D) monotrenes Poikilothermic Explanation: Poikilothermic animals (cold-blooded) cannot maintain a constant body temperature and rely on external environmental conditions. Other Options: Homeostatic: Refers to organisms that maintain stable internal conditions. Monotremes: A group of egg-laying mammals, not specifically related to temperature regulation. Homiothermic: this term typically refers to warm-blooded animals 45 / 50 45. excretion3_which of the following waste products helps to conserve energy while excreting nitrogenous waste A) Urea B) Ammonia C) Uric Acid D) Carbondioxide Uric acid is less toxic and requires less water for excretion compared to ammonia and urea, making it more energy-efficient for organisms to excrete. Other Options: Urea: Requires more water than uric acid. Ammonia: Highly toxic and requires a large amount of water for excretion. Carbon dioxide: Not a nitrogenous waste product 46 / 50 46. excretion36_which of the following is not a good advice for the care of the skin A) Washing the feet frequently B) Wearing clean light clothes C) bathing regulary without soap D) Drying the body with clean towel While bathing is important, it is generally recommended to use soap for proper hygiene. Other Options: Washing the feet frequently: Good advice for hygiene. Drying the body with a clean towel: Important for preventing infections. Wearing clean light clothes: Good for skin health 47 / 50 47. excretion23_Which of the following trio are used for excretion in man A) kidney, bone, skin, colon B) liver, skin, lung C) Heart, skin, lung D) lung, liver, brain This trio includes organs that play significant roles in excretion: the liver processes toxins, the skin excretes waste through sweat, and the lungs excrete carbon dioxide. Other Options: Heart, skin, lung: The heart is not involved in excretion. Kidney, bone, skin, colon: Bone is not primarily involved in excretion. Lung, liver, brain: The brain is not involved in excretion 48 / 50 48. excretion17_which of the following is used for excretion in crustacea A) green gland B) malpighian tubule C) booklung D) nephridium Crustaceans use green glands (or antennal glands) for excretion of waste products.Other Options Book lung: A respiratory structure in arachnids like spider Nephridium: Found in annelids, not typically in crustaceans. Malpighian tubule: Found in insects, not in crustaceans. 49 / 50 49. excretion46_Which of the following is not a layer in the epidermis of the skin A) Malpighian layer B) Granular layer C) cornified layer D) Dermis The dermis is a separate layer beneath the epidermis, not part of it. Other Options: Cornified layer: Part of the outermost epidermis. Granular layer: A layer of the epidermis. Malpighian layer: Also known as the stratum basale, part of the epidermis 50 / 50 50. excretion28_Which of the following is breathing pores present at the bark of woody trees A) stomata B) contractile vacuole C) lenticel D) spiracle Lenticels are openings in the bark of trees that facilitate gas exchange. Other Options: Contractile vacuole: Involved in excretion in protozoa. Spiracle: Openings for respiration in insects. Stomata: Openings for gas exchange in leaves Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Thank you Send feedback Share via: Facebook X (Twitter) LinkedIn More Agodirin View All Posts Post navigation Previous Post Chemical formula 2Next PostChemistry: Behavior of Gases
