Multiple choice questions IV — task. Science CBSE, Class 9.

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1. While doing work and running, you move your organs like hands, legs etc. Which among the following is correct?

Smooth muscles contract and pull the ligament to move the bones
Smooth muscles contract and pull the tendons to move the bones
Skeletal muscles contract and pull the tendon to move the bones
Skeletal muscles contract and pull the ligament to move the bones

2. Which muscles act involuntarily?

(i) Striated muscles
(ii) Smooth muscles
(iii) Cardiac muscles
(iv) Skeletal muscles

(iii) and (iv)
(i) and (iv
(i) and (ii)
(ii) and (iii)

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