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NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT
1
Medium
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Understanding
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Assertion: During exercise a person undergo fatigue very soon
Reason: During this period muscle fibres undergo oxygen debt.
Reason: During this period muscle fibres undergo oxygen debt.
View answer and explanation
Correct option: A
A and R are correct R is correct explanation for A
Option A (A and R are correct R is correct explanation for A) is correct because during exercise, fatigue occurs due to oxygen debt in muscle fibers, leading to lactic acid accumulation.
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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.
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.