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Standard IX
Biology
Nervous Tissue
Question

Neurilemma is outer covering of ____________.
  1. Blood capillary
  2. Intestine
  3. Muscle fibre
  4. Nerve fibre

A
Intestine
B
Muscle fibre
C
Blood capillary
D
Nerve fibre
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Solution
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Neurilemma is also known as neurolemma. It is the sheath of Schwann, which is the outermost nucleated cytoplasmic layer of Schwann cells. Neurilemna surrounds the axon of the neuron. It forms the outermost layer of the nerve fiber.
Thus, the correct answer is option D.

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