NEET Daily Practice Papers - Biology - Animal Excretion and Osmoregulation

Practice Answers

210 Questions/Answers

q1

Excretory products of mammal's embryo are eliminated out of

High Confidence

Answer:

Placenta

Explanation:

Placenta removes embryo’s waste as the embryo can't excrete via its own organs.
q2

The Malpighian corpuscle lies in the

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q3

Which one is not the function of kidney

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q4

A person feels the sensation of micturition when the quantity of urine in the bladder is about

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q5

Duct of Bellini opens on

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q6

The conversion of NH3 into urea occurs in

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q7

The absorption of Na+ and secretion of K+ by the nephron is under the control of hormone

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q8

In arginine cycle urea is synthesised when CO2 and NH3 combines with

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q9

Angiotensinogen is converted into angiotensin by

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q10

Biliverdin and bilirubin are excreted mainly alongwith

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q11

The urine of man suffering from Diabetes insipidus is

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q12

A person who is starving, that is not having food, water and beverages will have

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q13

Some structural features that make Malpighian corpuscles effective filtration membrane is/are

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q14

Facultative reabsorption of NaCl is regulated by

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q15

The filtrate passing from Malpighian corpuscles into the renal tubules in a healthy person contains

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q16

Diuretic substances are

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q17

Filteration takes place in

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q18

A condition of failure of kidney to form urine is called

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q19

Skin is said to play an important role in excretion due to presence of

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q20

Marcello Malpighi after whom malpighian corpuscles are named was born in

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q21

Which of the following is a metabolic waste of protein metabolism?

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q22

Excretion of nitrogenous waste products in semisolid form occur in?

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q23

Which one is not correct?

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q24

Uricotelism is found in?

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q25

Excretory waste of birds and reptiles are?

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q26

Animal which excrete urea produced during metabolism of amino acids is?

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q27

The major nitrogenous waste (s) in the respective animals is/are?

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q28

The most abundant, harmful and universal waste product of metabolism is?

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q29

The main nitrogenous waste of Hydra is?

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q30

Cystoliths are composed of?

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q31

Urea is directly produced in mammals from?

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q32

Kidney stones are produced due to deposition of uric acid and?

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q33

A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of?

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q34

In ornithine cycle, which of following wastes are removed from the blood?

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q35

If liver from body is removed then which component of blood increases?

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q36

Man is?

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q37

Ureotelism is found in?

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q38

Which of the following animal is not excrete nitrogen as urea?

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q39

In glomerulus of rabbit:

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q40

Green glands are excretory in function which are found in?

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q41

Maximum absorption of water in mammals is in

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q42

Loop of Henle is meant for absorption of

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q43

ADH influences water permeability in the

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q44

Diabetes is related to

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q45

In mammalian kidney Henle's loop is present in

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q46

Human kidney has

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q47

Which of the following is not a function of kidneys

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q48

In the kidney of the rabbit, the Loop of Henle is the part of

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q49

In rabbit, the urinary bladder opens into

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q50

The Bowman's capsule is

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q51

The glomeruli are confined to the

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q52

Proximal and distal convoluted tubules are parts of a

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q53

The kidneys of adult mammals are

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q54

In the distal convoluted tubule of the nephrons

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q55

Early stage of kidney disease, indicated by passage of more urine at night is

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q56

Primary role of cortical nephrons is

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q57

Renin is secreted by

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q58

Cortical nephrons are ...... in number to juxtamedullary nephrons

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q59

Bowman's capsule is part of

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q60

In nephrons there is complete absorption of

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q61

All Bowman's capsules of the kidney are found in

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q62

Malpighian tubules remove excretory products from

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q63

Kidneys are organs of excretion in

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q64

The basic functional unit of human kidney is

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q65

In the diagram of excretory system of human beings given below, different parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts which they represent

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q66

What is the characteristic of metanephric kidney

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q67

Loop of Henle is found in

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q68

In absence of ADH, the disease caused is

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q69

The hormone secreted by kidney is

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q70

Which type of kidneys are found in amphibian

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q71

Which one of the following body functions is not performed by kidneys

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q72

Blood dialysis is called

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q73

Which one is the excretory organ in the following

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q74

Haemodialysis helps in the patient having

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q75

Which of the following are enteronephric nephridia in earthworm

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q76

Match the excretory organs listed under column I with the animals given under column II.

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q77

Integumentary nephridia are also called

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q78

Which of the following passage way is part of cloaca of vertebrates

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q79

The nephridia, in earthworm, are analogous to

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q80

In the urinogenital organs of rabbit which one of following part is present in male but not in female

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q81

In a recently found continuous ambulatory peritoneal dialysis (CAPD) the dialysing membrane used is

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q82

If we remove the pressure receptors from the urinary bladder wall

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q83

The counter-current multiplier system changes the isotonic glomerular filtrate into

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q84

In excessive bleeding, profuse sweating or prolonged delay in fluid intake

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q85

Acidogenesis is

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q86

Reabsorption of substances according to the needs of body is called

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q87

Permeability of wall of collecting tubules is regulated by

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q88

Micrococcus ureae converts

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q89

Potassium

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q90

Counter–current mechanism operates in

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q91

Presence of RBC in urine is known as

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q92

Which of the following is correct

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q93

A patient who excretes large quantity of sodium in urine has

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q94

Human urine is invariably acidic because

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q95

What for the ascending limb of Loop of Henle is permeable

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q96

Na⁺, secreting from the kidney are highly affect by hormone

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q97

Mechanism of uric acid excretion in a nephron is

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q98

In ureotelic animals, urea is formed by

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q99

The end product of ornithine cycle is

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q100

Active transport is

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q101

Substance which is finally excreted in the urine

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q102

In micturition

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q103

Reabsorption in the tubules of nephrons occurs by the process of

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q104

Prostaglandins affect

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q105

Which one do not filter out from blood to Bowman’s capsule in glomerular ultrafiltration

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q106

Choose the correct statement for biosynthesis of urea

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q107

Which is mismatched

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q108

A terrestrial animals must be able to

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q109

If the diameter of the afferent renal arteriole is decreased and that of efferent renal arteriole is increased, the ultrafiltration will

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q110

The presence of arginase confirms that

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q111

The main function of Henle’s loop is

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q112

Removal of amino group of amino acid to transform it into keto acid is

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q113

Alkaptoneuria is a disease where the urine is

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q114

ADH controls water permeability of

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q115

Which of the following amino acids is present in ornithine cycle

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q116

Glomerular filtrate is

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q117

Glomerular hydrostatic pressure is present in

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q118

Blood leaving liver and moving to heart will have more concentration of

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q119

Glomerular filtrate contains

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q120

Which one is component of ornithine cycle

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q121

At menopause there is rise in urinary excretion of

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q122

If ADH level of blood is less

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q123

The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

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q124

Which have minimum concentration of urea in blood

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q125

Blacking of urine when exposed to air a metabolic disorder in human beings. This is due to

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q126

Which of the following statement is/are true (1) Urine is hypertonic is distal convoluted tubule (2) When the urine passes into collecting tubule, it becomes hypotonic (3) Urine is isotonic in proximal convoluted tubule (4) Urine becomes more and more hypotonic as it passes through Henle’s loop

Medium Confidence
q127

Match the excretory functions of section I with the parts of the excretory system in section II...

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q128

Vasopressin stimulates reabsorption of water and reduction of urine secretion. Hence vasopressin is otherwise called

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q129

The function of loop of Henle is

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q130

Excessive formation of uric acid may result in

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q131

A kidney stone is

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q132

Which group of the following contains the final excretory product

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q133

Stool of a person contains whitish grey colour due to malfunction of

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q134

Green glands, present in some arthropods, help in

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q135

In the kidney, glucose is mainly absorbed in

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q136

The portion of nephron which is relatively impermeable to water is

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q137

Which one of the four parts mentioned below does not constitute a part of a single uriniferous tubule

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q138

What will happen if one kidney of a person is removed

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q139

The function of kidney in mammals is to excrete

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q140

In the mammalian embryo the excretory material is stored in

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q141

Which hormone increases the reabsorption of sodium in the kidney tubules?

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q142

What is the main function of the loop of Henle?

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q143

Which animal is uricotelic?

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q144

The removal of amino group from amino acid is called?

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q145

In mammals, the site of urea synthesis is?

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q146

Ammonia is the main nitrogenous waste in which kind of animals?

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q147

Which structure in the nephron is responsible for ultrafiltration?

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q148

Which of the following is NOT an excretory organ in insects?

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q149

The maximum amount of reabsorption of water from the glomerular filtrate occurs in?

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q150

The hormone responsible for water reabsorption in the nephron is?

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q151

Which of the following is a symptom of diabetes insipidus?

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q152

Which of the following is the least toxic nitrogenous waste?

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q153

Which part of the kidney contains the glomeruli?

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q154

Which of the following is totally reabsorbed in the renal tubule under normal conditions?

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q155

Which process occurs in the glomerulus?

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q156

What is the effect of aldosterone on kidneys?

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q157

Which nitrogenous waste is produced mainly by cartilaginous fishes like sharks?

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q158

Presence of albumin in urine is called?

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q159

Which of the following is NOT found in the final urine under normal conditions?

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q160

What is the principal function of the kidney?

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q161

What is renal threshold?

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q162

What accounts for the yellow color of urine?

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q163

What is the main function of kidney pyramids?

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q164

What is the chief excretory product of mammals?

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q165

What hormone regulates the reabsorption of sodium and secretion of potassium in the nephron?

High Confidence
q166

Which part of nephron is relatively impermeable to water?

High Confidence
q167

How much glomerular filtrate is produced per day in a healthy adult?

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q168

What is the main nitrogenous waste in birds?

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q169

Which mammalian kidney component is responsible for the counter-current mechanism?

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q170

What is the process of removing the amino group from amino acids called?

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q171

What causes the appearance of albumin in the urine?

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q172

Which hormone increases water permeability in the collecting ducts?

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q173

The animal kidney which first produced hypertonic urine is called:

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q174

What is the major cause of diabetes insipidus?

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q175

What is the least toxic nitrogenous waste?

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q176

Which excretory organ is present in earthworms?

High Confidence
q177

What is the function of lungs as accessory excretory organs?

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q178

Where does the formation of urea mainly occur in mammals?

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q179

Which animal excretes most of its body nitrogen as ammonia?

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q180

Which excretory product is dominant in the urine of camels?

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q181

Which of the following organs is primarily responsible for the regulation of blood pressure by removing excess fluid?

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q182

The main nitrogenous waste excreted by birds is:

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q183

Which structure in the nephron is chiefly involved in filtration?

High Confidence
q184

Diabetes insipidus is caused mainly due to the deficiency of which hormone?

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q185

In the human excretory system, the ascending limb of loop of Henle is impermeable to:

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q186

The functional unit of the kidney is:

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q187

Which of these animals excrete urea as their chief nitrogenous waste?

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q188

The yellow color of urine is due to:

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q189

Which process refers to removal of amino group from amino acids?

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q190

Which hormone controls sodium reabsorption in the distal convoluted tubule?

High Confidence
q191

In humans, the process of ultrafiltration occurs at:

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q192

Excretion of urine is prevented from backflow to the ureters during micturition due to:

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q193

Which disease is characterized by the presence of glucose in urine?

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q194

The excretory product of fishes is mainly:

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q195

Osmoregulation in Amoeba is performed by:

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q196

Inadequate secretion of which hormone causes a person to produce a large volume of dilute urine?

High Confidence
q197

Which vessel brings oxygenated blood to the kidneys?

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q198

Which of the following is least toxic form of nitrogenous waste?

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q199

The process of reabsorption in nephron can occur through:

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q200

What is the main function of the loop of Henle?

High Confidence
q201

The nephridia, in earthworm, are analogous to

High Confidence
q202

For hypertonicity, urea is retained in

High Confidence
q203

In aquatic organisms, the end product of nitrogen exchange is

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q204

Ammonia is the chief excretory substance in

High Confidence
q205

The chief nitrogenous waste in urine of rabbit or terrestrial mammals is

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q206

Trimethylamine is excreted by

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q207

Those animals which excrete a large amount of NH3 are

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q208

The excretion in Entamoeba histolytica takes place by

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q209

Shifting of ammonotelism to ureotelism is seen in

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q210

The nephrostomes, in the kidneys, are functional in

High Confidence
Always verify the answers with your course materials and instructor.
Exam Information

Publish Year

August 2025

Last Update

August 18, 2025

Language

English

Level

hard

Total Questions

210

Document Details

Size: 0.18 MB

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