NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT

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Muscle A and Muscle B are of the same size, but muscle A is capable of much finer control than Muscle B. Which one of the following is likely to be true for muscle A?

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Correct option: C

It is controlled by more neurons than muscle B.

Option C (It is controlled by more neurons than muscle B) is correct because finer control requires a smaller motor unit size, meaning more neurons innervate each muscle fiber.

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What is the incorrect set of antagonistic muscles? Which one of the following is not a part of ear osicles?

C{a^2}^ +

bind …A… in skeletal muscles and leads to the exposure of binding site for …B… on the filament …C…
Identify A, B and C, so as to complete the given statements Which is not the function of endoskeleton? Read the following statements about human skeleton system and choose the option that correctly states them true (T) and false (F).
a. Total number of bones in hind limbs are 60
b. There are 26 bones in vertebral column of an adult man
c. There are 2 pairs of vertebrochondral ribs
d. Axial skeleton is comprised of 80 bones
Assertion : Muscle contraction force increases
with rise in strength of stimulus.

Reason : This is due to increased contraction of
individual muscle fibres with increase in stimulus
strength.