Biology - Study Mode

[#226] Which of the following is known as master gland in man?
Correct Answer

(B) Pituitary

Explanation

Solution: The pituitary gland, which hangs by a thin stalk from the hypothalamus, is called the master gland of the body because it regulates the activity of the endocrine glands.

[#227] What is the effect of oversecretion of hormone from pituitary gland?
Correct Answer

(A) Increase growth in length

Explanation

Solution: When the pituitary gland produces excess growth hormones the result is excessive growth, called acromegaly. The excessive growth occurs first in the hands and feet, as soft tissue begins to swell.

[#228] Which of the following is not a gland?
Correct Answer

(B) Gastrine

Explanation

Solution: Gastrine is not a gland.

[#229] Oxytocin hormone is secreted by gland
Correct Answer

(A) Pituitary

Explanation

Solution: Oxytocin is produced in the hypothalamus and is secreted into the bloodstream by the posterior pituitary gland. Secretion depends on electrical activity of neurons in the hypothalamus – it is released into the blood when these cells are excited.

[#230] Enlargment of _______ gland takes place due to deficiency of iodine
Correct Answer

(A) Thyroid

Explanation

Solution: Enlargment of thyroid gland takes place due to deficiency of iodine.