NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT

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Statement I: Prolonged activation of striated muscles lead to fatigue in all striated muscles.

Statement II: Prolonged activation causes accumulation of lactic acid in a striated muscle.

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Correct option: D

Both statements I and II are incorrect

Option D (Both statements I and II are incorrect) is correct because fatigue doesn't occur in all striated muscles with prolonged activation, and it's not solely due to lactic acid accumulation.

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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
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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.