68th B.P.S.C. (Pre) 2023
Which one of the following statements is incorrect about muscles in human body?
aMuscles can only push the bone✓ Correct
bMuscles work in pairs
cMuscles become shorter, stiffer and thicker when contracted
dMore than one of the above
eNone of the above
Explanation
Muscles help a person in activities such as walking, speaking, eating, etc. They assist in heartbeat, respiration, and digestion. Many other functions, including temperature, regulation and vision, also depend on the muscular system. Muscles work in pairs, and on contraction they become shorter, harder, and thicker. Therefore, the statement given in option (a) is incorrect.
general-science