Biology - Comprehensive Mock Test 12

Question 111 Medium

The main nitrogen-containing waste excreted in urine is ?

A) Ammonia B) Creatine phosphate C) Nucleotides D) Urea

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Question 112 Easy

The lungs are important organs for excretion of ?

A) Ammonia B) Water C) Carbon dioxide D) Urea

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Question 113 Medium

The hollow space at the centre of kidney where urine is collected after its formation is called ?

A) Renal pelvis B) Glomerulus C) Distal convoluted tubule D) Urethra

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Question 114 Easy

The Bowman’s capsules are found in ?

A) Cortex B) Medulla C) Convoluted tubule D) Loop of Henle

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Question 115 Medium

Ornithine cycle (also known as the urea cycle) refers to the sequence of biochemical reactions taking place in the ?

A) Urinary bladder B) Liver C) Pancreas D) Stomach

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Question 116 Easy

The basic functional unit of human kidney is ?

A) Henle’s loop B) Nephron C) Nephridia D) Pyramid

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Question 117 Medium

Which one of the following statements is correct with respect to kidney function regulation?

A) During summer when body loses lot of water by evaporation, the release of ADH is suppressed B) When someone drinks lot of water, ADH release is suppressed C) Exposure to cold temperature stimulates ADH release D) An increase in glomerular blood flow stimulates formation of Angiotensin II

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Question 118 Medium

Most of the reabsorption of salts and water occurs in the ______

A) Distal convoluted tubule B) Loops of Henle C) Proximal convoluted tubule D) Collecting tubule

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Question 119 Easy

In the kidneys, osmotic pressure controls ______

A) Glucose absorption B) Sodium absorption C) Water absorption D) none of these

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Question 120 Medium

If a person undergoes a prolonged fasting then his urine will be found to contain higher levels of ?

A) Ketones B) Amino acids C) Fats D) Glucose

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