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NEET UG BIOLOGY MCQ: LOCOMOTION AND MOVEMENT
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Which of the following statements are wrong with reference to muscles?
I. Cardiac fibres are branched with one or more nuclei
II. Smooth muscles are unbranched and cylindrical
III. Striated muscles never performs anaerobic respiration
IV. Cardiae muscles are non-striated
Correct option with all wrong statements is-
I. Cardiac fibres are branched with one or more nuclei
II. Smooth muscles are unbranched and cylindrical
III. Striated muscles never performs anaerobic respiration
IV. Cardiae muscles are non-striated
Correct option with all wrong statements is-
View answer and explanation
Correct option: A
II and III
Option A (II and III) is correct because statements II and III are factually incorrect regarding muscle types and their respiration.
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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.
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.