SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Sensation of fatigue in muscles after prolonged strenuous physical work is caused due to

a)

Decrease in the supply of oxygen

b)

Minor wear and tear of muscle fibres

c)

The depletion of glucose

d)

The accumulation of lactic acid


Question ID - 5171 :-

Sensation of fatigue in muscles after prolonged strenuous physical work is caused due to

a)

Decrease in the supply of oxygen

b)

Minor wear and tear of muscle fibres

c)

The depletion of glucose

d)

The accumulation of lactic acid

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

The reduction in force of contraction of a muscle after prolonged stimulation is called muscle fatigue. The accumulation of lactic acid leads to muscle fatigue. Lactic acid is produced by glycolysis in the absence of



Next Question :

In a …A… state, the edge of thin filaments on either side of thick filaments …B… overlap the free ends of ...C… filaments leaving the central part of thick filaments. This central part of thick filament, not overlapped by thin filaments is called …D… zone.

Choose the correct options to fill the gaps A, B, C and D, so as to complete the given NCERT statement

a)

A-resting, B-partially, C-thick, D-H

b)

A-resting, B-partially, C-thick, D-A

c)

A-resting, B-partially, C-thick, D-I

d)

A-resting, B-partially, C-thick, D-M


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