Practice Test


Q1) Excretion refers to: Show Answer


Q2) Kidney of amniotes belongs to the following type: Show Answer


Q3) The glomerulus is responsible for: Show Answer


Q4) A fish excretes nitrogen in the form of: Show Answer


Q5) Capillaries of glomeruli are: Show Answer


Q6) The urinay bladder of frog performs the function of: Show Answer


Q7) When the kidney is no longer held in place securely the stage is called the: Show Answer


Q8) In which of the following the gut expels out excretory waste along with faeces? Show Answer


Q9) The glomerulus is a network of: Show Answer


Q10) What does glomerular filtrate consist of? Show Answer


Q11) The pack rat, a rodent, often goes for long period without drinking, eats leaves of juicy plants and moves about in the open only in the evening and at night. From these habits, you can guess that it lives in: Show Answer


Q12) The main nitrogenous waste substance excreted by the pack rat will probably be: Show Answer


Q13) An advantage of excreting nitrogenous wastes in the form of uric acid is that: Show Answer


Q14) If excess water passes out from the tissues without being restored by the kidbeys, the cells would: Show Answer


Q15) The main excretory structure in houseflies is the: Show Answer


Q16) Salmon have gills that are more permeable to water than to salts. Salmon hatch in fresh water streams, and then migrate to the ocean. Once they reach the ocean you would expect the rate of uptake of water into their body through the gills to: Show Answer


Q17) Urine leaves the kidney via: Show Answer


Q18) The loop if Henle is most highly developed in: Show Answer


Q19) All the following tests are used to know the abnormality in the kidney except: Show Answer


Q20) In birds, the nitrogenous wastes are conveyed to the exterior directly through the: Show Answer


Q21) Urea is formed by the combibation of ammonia with and in: Show Answer


Q22) The cavity of the kidney which leads into ureter is called: Show Answer


Q23) In kidney the high capillary bed is found: Show Answer


Q24) Angiotensin stimulates the adrenal cortex to produce aldosterone which influences in the blood the level of: Show Answer


Q25) Feabsorption is controlled partly by ADH which is secreted by: Show Answer


Q26) The amino acids are excreted as such from the body in any one of the followings: Show Answer


Q27) Ammonia is the end product of: Show Answer


Q28) Ornithine cycle is concerned with the production of: Show Answer


Q29) Which one of the following substances is completely reabsorbed from the filtrate in the renal tubule under normal condition? Show Answer


Q30) A terrestrial animal must be able to: Show Answer


Q31) In the functional kidney which of the following process does not occur? Show Answer


Q32) The elimination of the insoluble calcium phosphate takes palce by: Show Answer


Q33) The polypeptide which plays a key role in the renal pressure system is:: Show Answer


Q34) The chief nitrogenous waste material in the urine of frog is: Show Answer


Q35) Physiologically urea is produced by the action of an enzyme: Show Answer


Q36) The system which restores impaired renal circulation is known as: Show Answer


Q37) Human kidney is differntiated into: Show Answer


Q38) Opening into the tubules of the kidney of frog from the coelom are a number of ciliated funnel-like structures called: Show Answer


Q39) The high threshold substances are: Show Answer


Q40) The process because of which marine animals make adjustments in high salt concentration is: Show Answer


Q41) Carbon dioxide is an excretory product because it is formed during: Show Answer


Q42) The disease diabetes mellitus is diagnosed by the occurrence in urine of: Show Answer


Q43) In insects, the uric acid is temporarily stored in the: Show Answer


Q44) Urinary bladder is not found in: Show Answer


Q45) Important function of perspiration is to: Show Answer


Q46) Which of the following is not an excretory activity? Show Answer


Q47) Proximal and distal convoluted tubules are parts of a: Show Answer


Q48) A person feels a fullness senstion of urine if the volume of urine increases up to: Show Answer


Q49) Which of the following are is not directly connected with cell metabolism? Show Answer


Q50) The urination becomes voluntary when the urine reaches in the: Show Answer


Q51) Green glands are organs of excretion. They are seen in: Show Answer


Q52) The cells of proximal tubule develop several microvilli to form brush border. The number of microvilli per square micron in human being is: Show Answer


Q53) The glomerular membane has permeability about: Show Answer


Q54) The water reabsorption takes place under the ADH is called the: Show Answer


Q55) In which group the toxic substance, the benzoic acid combines with glycine to form a less toxic substance the hippuric acid? Show Answer


Q56) Bowman's capsule functions as a: Show Answer


Q57) Whenever the amount of urine decreases the stage is called? Show Answer


Q58) If a person suffering from a disease called muscular dystrophy, he will eliminate in urine great amount of: Show Answer


Q59) Ammonia in some aquatic animals is eliminated by: Show Answer


Q60) In reptiles, the uric acid is stored in: Show Answer


Q61) Animals that show hypertonic urine with provision for water reabsorption in the kidney are: Show Answer


Q62) In aquatic organism the end product of nitrogen exchange is: Show Answer


Q63) In fever too much of sugur may increase. Its elimination in urine is in the form of: Show Answer


Q64) Excretion of bile pigments in urine indicates: Show Answer


Q65) pH of human urine is: Show Answer


Q66) Which of the following is not reabsorbed from the filtrated to the blood at proximal tubule? Show Answer


Q67) Deamination occurs during the: Show Answer


Q68) Malpighian body refers to: Show Answer


Q69) Diameter of afferent arteriole entering the Bowman's capsule is: Show Answer


Q70) Which of the following is not functionally analogous with others in its group? Show Answer


Q71) All the following are related to disease of kidney except: Show Answer


Q72) Which of the following is concerned with formation of urea in rabbit? Show Answer


Q73) The glomerular filtration rate in case of a normal person is: Show Answer


Q74) The average volume of fluid filetered from the plasma into Bowman's capsule is about: Show Answer


Q75) The desire to urinate may be suppressed by voluntary control of the external urethral sphincter until the total content is: Show Answer


Q76) Negative nitrogen balance means: Show Answer


Q77) A person who is starving, that is, not having food, water and beverage will have: Show Answer


Q78) Which of the following does not produce uric acid as the main excretory product? Show Answer


Q79) Which of the following is not a constituent of normal urine? Show Answer


Q80) All the functions are performed by the kidney except: Show Answer


Q81) Which of the following tissues form the lining of Bowman's capsule? Show Answer


Q82) Urine gets concentrated in: Show Answer


Q83) The passing out of almost solid wastes along with faeces in reptiles is an indication of: Show Answer


Q84) The blood leaving the kidney is significantly lower in: Show Answer


Q85) Filtration into the kidney tubule is accomplished by means of: Show Answer


Q86) Severe dehydration causes a decrease in osmotic potential in the blood. This causes a(n) (increase/decrease) in the amount of urine produced. This change in urine production is caused primarily by: Show Answer


Q87) Which of the following best explains reabsorption in the tubules of nephrons? Show Answer


Q88) Pick up the odd one? Show Answer


Q89) Final wastes from adenine and guanine (purines) is: Show Answer


Q90) Human kidneys are: Show Answer


Q91) Human kidneys are analogous to: Show Answer


Q92) Mammals excrete urine which is: Show Answer


Q93) Rise of blood pressure decreases the secretion of ADH resulting in the increased urine output. Fall in blood pressure will: Show Answer


Q94) Henle's loop is meant for absorption of: Show Answer


Q95) Many fresh water vertebrates excrete: Show Answer


Q96) ADH is also known as: Show Answer


Q97) Glomerular filtrate dose not contain: Show Answer


Q98) Presence of blood in urine due to lesion of kidney or urinay tract is called: Show Answer


Q99) The specific gravity of urine is: Show Answer


Q100) Ammonia is chief nitrogenous waster in: Show Answer


Q101) Blood urea level is an index of function: Show Answer


Q102) Most of the terrestrial insects get rid of the bulk of their nitrogenous wastes as: Show Answer


Q103) The artificial kidney is based upon the mechanism of: Show Answer


Q104) Which of the following is diluting segment of uriniferous tubule? Show Answer


Q105) A marine bony fish must continuously: Show Answer


Q106) In the flame cell system of a planarian, materials are drained directly form the: Show Answer


Q107) The flame cell system function mostly to: Show Answer


Q108) The kidney regulates acid-base balance by each of the following mechanisms except: Show Answer


Q109) In insects, Malpighian tubules drain materials directly from the: Show Answer


Q110) A Malpighian tubule empties urine into the: Show Answer


Q111) A nephridium of an earthworm drains materials directly from the: Show Answer


Q112) Which of the following statements about the kidney is correct? Show Answer


Q113) A normal room temperature most body heat loss is by: Show Answer


Q114) The force that moves fluid from the blood through the walls of a capillary and Bowman's capsule of a nephron is: Show Answer


Q115) When the temperature of the surroundings is greater than the body temperature, heat loss is possible only through which of the following? Show Answer


Q116) Osmoregulation is control over the: Show Answer


Q117) For which of the following substances would you expect the renal clearance to be the lowest, under normal conditions? Show Answer


Q118) In which of these animals, antennal gland functions as excretory organ? Show Answer


Q119) A fresh water fish must continuously: Show Answer


Q120) In the kidney: Show Answer


Q121) The kidney not only remove the water products form the blood but also play a very important role in maintaining: Show Answer


Q122) Bowman's capsule is part of: Show Answer


Q123) In which stages of ornithine cycle the enzyme arginase is used: Show Answer


Q124) The kidney of adult frog is: Show Answer


Q125) Bowman's capsule and glomerulus forms: Show Answer


Q126) Sea gull excretes excess of NaCI through: Show Answer


Q127) In human body urea is produced as an excretory product in the: Show Answer


Q128) In peritoneal dialysis, the dialysate is introduced into: Show Answer


Q129) What is impermeable for the ascending limb of loop of Henle? Show Answer


Q130) Why do we pass more urine in wet and cold season: Show Answer


Q131) The ornithine cycle removes two waste products from the blood in liver. These waste products are: Show Answer


Q132) Functionwise, just as there are nephridia in an earthworm, so are: Show Answer


Q133) Loop of Henle is ment for absorption of: Show Answer


Q134) In, the kidney of man glomerular number is: Show Answer


Q135) The excretion in Entamoeba histolytica takes place by: Show Answer


Q136) In the formation of urea, ammonia and carbon dioxide combine using three amino acids. These are: Show Answer


Q137) The functional kidney of frog tadpole is: Show Answer


Q138) Aquatic reptiles are: Show Answer


Q139) Blood which leaves liver and passes towards heart has higher concentration of: Show Answer


Q140) Characteristic of metanephric kidney is: Show Answer


Q141) In nephrons there is complete absorption of: Show Answer


Q142) In kidney, nephrostomes are functional in: Show Answer


Q143) Ammonia is converted into urea through a cycle called: Show Answer


Q144) Urine is always fluid except in: Show Answer


Q145) Urine is transported through: Show Answer


Q146) In Hydra, wastes of food digestion and nitrogenous wastes are removed from: Show Answer


Q147) Blood vessels leading into Bowman's capsule are called: Show Answer


Q148) In peritoneal dialysis, dialysate is passed into: Show Answer


Q149) Separation of amino acid and carboxylic groups is called: Show Answer


Q150) Presence of urea in the blood is referred to as: Show Answer


Q151) Reabsorption of water in the distal part of kidney tubules is controlled by: Show Answer


Q152) Cockroaches are: Show Answer


Q153) Volume of urine is regulated by: Show Answer


Q154) Liquid which collects in the cavity of Bowman's capsule is: Show Answer


Q155) Renin is secreted from: Show Answer


Q156) Animals which excrete urea produced during metabolism of amino acids is: Show Answer


Q157) Which of following nephridia are not found in earthworm? Show Answer


Q158) Excretory waste of birds and reptiles are: Show Answer


Q159) When a fresh water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will: Show Answer


Q160) Uricotelism is found in: Show Answer


Q161) Osmoregulation in Paramecium is a function of Show Answer


Q162) Formation of concentrated (hyperosmotic) urine in vertebrates generally depends on: Show Answer


Q163) Ciliated funnels found on the ventral side of kidney in frog are: Show Answer


Q164) The basic functional unit of the human kidney is: Show Answer


Q165) Blood leaving liver and moving to heart will have more concentration of: Show Answer


Q166) Which one of the following statements is correct with respect to salt water balance inside the body of living organisms? Show Answer


Q167) Which one of the following group of structure/organs have similar function? Show Answer


Q168) On the basis of Excretion tadople is: Show Answer


Q169) Which have minimum concentration of urea in blood? Show Answer


Q170) The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is: Show Answer


Q171) A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of: Show Answer


Q172) Sea gulls excrete excess of NaCI from: Show Answer


Q173) Juxtaglomerular cells of renal cortex synthesizes an enzyme called: Show Answer


Q174) The voluntary response to the distension of Urinary bladder is: Show Answer


Q175) Marine teleost fishes excrete: Show Answer


Q176) Antennary glands of crustaceans are for: Show Answer


Q177) Part of nephron impermeable to salt is: Show Answer


Q178) Which of the following is first formed nitrogenous waste of vertebrate? Show Answer


Q179) Which of the following is acting as an artificial kidney in haemodialysis? Show Answer


Q180) Earthworms are: Show Answer


Q181) Angiotensinogen is a protein produced and secreted by Show Answer


Q182) A person who is on a long hunger strike and is surviving only on water, will have: Show Answer


Q183) Shifting of ammonotelism to ureotelism is seen in: Show Answer


Q184) Proximal convoluted tubule (PCT) is lined with Show Answer


Q185) JG cells, under low glomerular blood flow, release Show Answer


Q186) Consider of the following four statements (1-4) about certain desert animals such as kangaroo rat: Show Answer


Q187) Which one of the following statements is correct with respect to kidney function regulation? Show Answer


Q188) Which one of the following is not a part of a renal pyramid? Show Answer


Q189) Which of the following statemets is/are true? Show Answer


Q190) Which one of the following correctly explains the function of a specific part of a human nephron? Show Answer


Q191) Glucose is mainly reabsorbed in: Show Answer