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62. Multiple choice questions XXXXXXII

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

2. The cork cells are dead and have a chemical in their walls that makes them impervious to gases and water. The chemical is __________.

cutin
lignin
suberin
wax

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