Question

Read the given paragraph, where a few words have been italicised.

The pineal gland secrets a hormone progesterone which helps to regulate sleep pattern. Thyroid gland release hormone which regulate the level of calcium in the blood. This hormone opposes the effect of calcitonin which is produced in the parathyroid gland.

Select the correct statements regarding the given paragraph.

i. Positions of pineal gland and parathyroid glands should be interchanged.
ii. Progesterone should be replaced by melatonin.
iii. Parathyroid glands should not be replaced as it is correctly mentioned.
iv. Positions of progesterone and calcitonin should be interchanged.
v. Positions of thyroid gland and parathyroid glands should be interchanged.

• A. ii and v only
• B. i, and iii only
• C. ii, and iv only
• D. i, ii and v only

Answer 1

The correct option is A ii and v only

• The pineal gland secretes a hormone melatonin which helps to regulate sleep pattern.
• Parathyroid gland release parathyroid hormone which regulates the level of calcium in the blood with the help of calcitonin which is produced in the thyroid gland.