NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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In the given four statements select the options which includes all the incorrect ones :-
(a) Secretory duct is present in endocrine glands and secrete hormones
(b) Mammary glands are paired structures in Humans.
(c) Sweat glands are present in Birds
(d) Heparin prevents clotting of blood in injured vessels

View answer and explanation

Correct option: C

a, c, d

Option C (a, c, d) is correct because statements a, c, and d are incorrect. Endocrine glands lack secretory ducts, sweat glands are not present in birds, and heparin prevents clotting in *uninjured* vessels.

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