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In central nervous system the myelin sheath around the nerve fibre is formed by the spiral wrapping of
(a)Neurilemma
(b)Schwann cells
(c)Oligodendrocytes
(d)Neurolemmocytes

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Important Questions on Structural Organisation in Animals (Animal Morphology)
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Which of the following structure is present only in male cockroach?

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In cockroach wings that help in flying are

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Mark the false statement w.r.t. cockroach

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The development of P. americana is:

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Conglobate glands are also called

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In cockroach, the wall of ootheca is secreted by:

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Mark the false statement w.r.t. the reproductive system of female Periplaneta americana.

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In cockroach, mushroom glands occur in
