Skip to content
ZoologyNEET 2025Endocrine glands and their hormones

Chemical Coordination and Integration

Consider the following statements regarding the functions of adrenal medullary hormones:

(A) They cause pupillary constriction.

(B) They are hyperglycaemic hormones.

(C) They cause piloerection.

(D) They increase the strength of heart contraction.

Choose the correct answer from the options given below:

  1. A.C and D only
  2. B.B, C and D only✓
  3. C.A, C and D only
  4. D.D only

Solution

Adrenaline and noradrenaline raise blood glucose (B), cause piloerection (C) and increase the force of heart contraction (D). They dilate the pupils, so A is wrong. Hence B, C and D.

Save for spaced revision (free account)

More from this chapter in past papers

From Zoology › Chemical Coordination and Integration › Endocrine glands and their hormones — lectures, notes and every past question on it.

Last revised . Found a mistake? Tell us — corrections are the fastest thing we act on.

ShareWhatsAppTelegram