RRB Group D 22-Sep-2018 Shift 1 Solved Paper

Question : 1 of 100

Marks: +1, -0

An individual nerve cell may be up to ________ long.

100 cm
50 cm
80 cm
10 cm

Solution:

An individual nerve cell may be up to

100 \ { cm}

long. The cell body of a motor neuron is approximately 100 microns (0.1 millimeter) in diameter and as you now know, the axon is about 1 meter (1,000 millimeter) in length. So, the axon of a motor neuron is 10,000 times as long as the cell body is wide.

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