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NEET UG BIOLOGY MCQ: STRUCTURAL ORGANISATION IN ANIMALS

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Mast cells secrete

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Correct option: D

All of these

Option D (All of these) is correct because mast cells secrete serotonin, heparin, and histamine, all of which are involved in inflammatory and allergic responses.

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Simple epithelium is a tissue in which the cells are In addition to the Malpighian tubules, excretion of the waste products in cockroach occurs by

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ii) Smooth muscles are unbranched and cylindrical.
iii) Striated muscles can be branched or unbranched.
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