The thyroid gland is composed of two lobes, which are locat…

Biology Chemical Co-ordination and Integration Statement Based Questions Single Correct MCQ

Published on: August 21, 2026

The thyroid gland is composed of two lobes, which are located on either side of the trachea. Select the statements which related with thyroid gland:

(i) Both the lobes are interconnected with a thin flap of connective tissue called isthmus.

(ii) Each lobe composed of follicles and stromal tissues.

(iii) Each thyroid follicle is composed of follicular cells.

(iv) Follicular cells synthesize tetraiodothyronine or thyroxide (T 4 ) and triiodothyronine (T 3 ).

(v) Iodine is essential for the normal rate of hormone synthesis in the thyroid.

(vi) Thyroid gland also secretes steroid hormone called thyrocalcitonin (TCT).

(i), (ii), (iii) and (iv)

(ii), (iii), (iv) and (v) only

(i), (ii), (iii), (iv) and (v)

All of these

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