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NEET UG BIOLOGY MCQ: STRUCTURAL ORGANISATION IN ANIMALS

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Cardiac muscles are

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Correct option: B

Striated and involuntary

Option B (Striated and involuntary) is correct because cardiac muscles have striations and are not under voluntary control; they contract rhythmically and automatically.

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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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:- 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