Question

52. Water proof nature of aquatic birds is due to
(A) cutaneous glands
(B) sudorific glands
(C) preen glands
(D) none​

Answer 1

Answer:

(c) Preen glands.

Explanation:

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Answer 2

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Water proof nature of aquatic birds is due to

(A) cutaneous glands

(B) sudorific glands

(C) preen glands

(D) none

$\huge{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}$

• Preen glands

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