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NEET UG BIOLOGY MCQ: STRUCTURAL ORGANISATION IN ANIMALS

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In earthworm, self-fertilization cannot occur due to

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Correct option: B

Protandry

Option B (Protandry) is correct because earthworms exhibit protandry, where the male reproductive organs mature before the female reproductive organs, preventing self-fertilization.

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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}\,\,\,\,\,\,\,}

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

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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