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Class XI Biology Locomotion and Movement 2

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Question 1

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

Question 2

Stimulation of a muscle fiber by a motor neuron occurs at:

Question 3

In human body, which one of the following is anatomically correct?

Question 4

The pivot joint between atlas and axis is a type of:

Question 5

Which of the following joints would allow no movement?

Question 6

Alary muscle is associated with

Question 7

Which response to overcooling does not involve muscle contraction?

Question 8

Which of the following mineral element is most abundant in muscles?

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