101. Loop of Henle is found in

A Pronephric kidney
B Meta nephric kidney
C A and B both
D None of the above
Answer :   Meta nephric kidney
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102. One is increased in blood of a person whose kidney is not working properly

A Urea
B Ammonia
C Sodium
D None of the above
Answer :   Urea
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103. Which one of the following characteristics is common to both in humans and adult frogs?

A Four - chambered heart
B Internal fertilization
C Nucleated RBCs
D Ureotelic mode of excretion
Answer :   Ureotelic mode of excretion
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104. Which one of the following pair of waste substances is removed from blood in ornithine cycle

A CO2 and urea
B Ammonia and urea
C CO2 and ammonia
D Urea and sodium salt
Answer :   CO2 and ammonia
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105. Which of the following is totally reabsorbed in renal tubes

A Na
B K
C H2O
D C6H12O6
Answer :   C6H12O6
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106. If henle's loop were absent from mammalian nephron, which of the following is to be expected

A There will be no urine formation
B There will be hardly any change in the quality and quantity of urine formed
C The urine will be more concentrated
D The urine will be more dilute
Answer :   The urine will be more dilute
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107. Which one is not the function of kidney

A Osmoregulation
B Salt retention
C Excretion
D Synthesis of urea
Answer :   Synthesis of urea
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108. Henle's loop is found in

A Lungs
B Heart
C Kidney
D Liver
Answer :   Kidney
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109. In the renal tubules the permeability of the distal convoluted tubule and collecting duct to water is controlled by

A Vasopressin
B Aldosterone
C Growth hormone
D Renin
Answer :   Vasopressin
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110. Which excretory material least toxic

A Ammonia
B Urea
C Uric acid
D All are equally toxic
Answer :   Uric acid
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