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NEET UG BIOLOGY MCQ: STRUCTURAL ORGANISATION IN ANIMALS

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The entire body of cockroach is covered by

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Correct option: C

Hard chitinous exoskeleton

Option C (Hard chitinous exoskeleton) is correct because the entire body of a cockroach is covered by a hard chitinous exoskeleton, which provides protection and support.

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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

\underline {\,\,\,\,\,\mathrm{A}\,\,\,\,\,\,\,}

epithelium is involved in secretion and absorption and is found in

\underline {\,\,\,\,\,\mathrm{B}\,\,\,\,\,\,\,}

:- Read the following 4-statements (i – iv) and accordingly mark the option that has both correct statements.
i) Cardiac fibres are branched with one or more nuclei.
ii) Smooth muscles are unbranched and cylindrical.
iii) Striated muscles can be branched or unbranched.
iv) Involuntary muscles are non-striated. The ciliated columnar epithelial cells in humans are known to occur in The outermost wall of spermatophore of cockroach is composed of the secretions of