Biology - Mock Test 75

Question 741

Which of the following hormones promotes the excretion of potassium ions and the re-absorption of sodium ions?

A) Aldosterone B) Rennin C) ADH D) None of these

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Question 742

Which of the following hormones is involved in regulating the water-salt balance of the blood?

A) Cortisone B) Aldosterone C) ADH D) ANH

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Question 743

When the infection is localized in the urethra, it is called ?

A) Urethritis B) Cystitis C) Pyelonephritis D) Hemodialysis

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Question 744

When the infection invades the urinary bladder, it is called ?

A) Cystitis B) Urethritis C) Pyelonephritis D) Hemodialysis

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Question 745

Why do we urinate more in wet and cold months?

A) Kidney becomes more active B) Increase of ADH secretion C) Sweating is much reduced D) Impairment of water absorption in nephron

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Question 746

What is reabsorbed through loop of Henle?

A) Glucose B) CO2 C) Potassium D) Water

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Question 747

Which one of the following statements in regard to the excretion by the human kidneys is correct?

A) Ascending limb of Loop of Henle is impermeable to electrolytes B) Descending limb of Loop of Henle is impermeable to water C) Distal convoluted tubule is incapable of reabsorbing HCO3 D) Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

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Question 748

Urea is produced as an excretory substance in human body in ?

A) Urinary bladder B) Liver C) Kidney D) Rectum

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Question 749

The yellow pigment derived from heme breakdown and excreted by kidneys is ?

A) Uric acid B) Urochrome C) Cholesterol D) Melanin

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Question 750

The term haematuria is used to describe ?

A) Blood cancer B) Presence of Red Blood cells in Urine C) Internal bleeding D) Blood poisoning

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