Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Where is aldosterone released from?

A. Pituitary gland
B. Adrenal cortex
C. Pineal gland
D. Adrenal medulla
Answer» C. Pineal gland
2.

Which of these hormones acts as a check on the renin-angiotensin mechanism?

A. ANF
B. ADH
C. Renin
D. Angiotensinogen
Answer» B. ADH
3.

Which of these hormones can decrease blood pressure?

A. Epinephrine
B. ADH
C. ANF
D. Angiotensin II
Answer» D. Angiotensin II
4.

Which of these hormones activates the adrenal cortex to release aldosterone?

A. ADH
B. Angiotensinogen
C. Angiotensin II
D. Angiotensin I
Answer» D. Angiotensin I
5.

Which of these hormones converts angiotensinogen to angiotensin I?

A. Aldosterone
B. ADH
C. Angiotensin II
D. Renin
Answer» E.
6.

Aldosterone decreases the reabsorption of sodium ions. True or false?

A. True
B. False
Answer» C.
7.

A fall in GFR can stimulate the juxtaglomerular cells to release which hormone from the kidney?

A. Angiotensinogen
B. ADH
C. Renin
D. Angiotensin I
Answer» D. Angiotensin I
8.

On which of these does ADH act upon?

A. Glomerulus
B. Loop of Henle
C. PCT
D. Collecting duct
Answer» E.
9.

Which of the following can increase GFR?

A. Increase in blood pressure
B. Decrease in blood pressure
C. Increased Bowman’s capsule hydrostatic pressure
D. Ureteral constriction
Answer» B. Decrease in blood pressure
10.

Which of these hormones do not lead to the constriction of blood vessels?

A. Epinephrine
B. Angiotensin II
C. ANF
D. ADH
Answer» D. ADH
11.

Which of these is not a function of ADH?

A. Stimulates water reabsorption
B. Decreases blood pressure
C. Prevents diuresis
D. Decreases perspiration
Answer» C. Prevents diuresis
12.

Where is vasopressin released from?

A. Neurohypophysis
B. Pineal gland
C. Adrenal gland
D. Pancreas
Answer» B. Pineal gland
13.

What is another name for ADH?

A. Oxytocin
B. Noradrenaline
C. Vasopressin
D. Ghrelin
Answer» D. Ghrelin
14.

Which of these do not activate osmoreceptors?

A. Blood volume
B. Body fluid volume
C. Homoeostasis
D. Ionic concentration
Answer» D. Ionic concentration
15.

Which of these are not involved in the regulation of kidney function?

A. Hypothalamus
B. Heart
C. JGA
D. Spleen
Answer» E.