Class 11

7. Locomotion and Movement question bank (Zoology)

Practice 1,292 free Class 11 Zoology - 7. Locomotion and Movement questions with answers and step-by-step solutions.

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Q1.

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

(A)
the neuromuscular junction
(B)
the transverse tubules
(C)
the myofibril
(D)
the sarcoplasmic reticulum
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Q2.

Sliding filament theory can be best explained as:  

(A)
Actin and Myosin filaments shorten and slide past each other
(B)
Actin and Myosin filaments do not shorten but rather slide past each other
(C)
When myofilaments slide past each other, Myosin filaments shorten while Actin filaments do not shorten
(D)
When myofilaments slide past each other Actin filaments shorten while Myosin filaments do not shorten
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