Engineer & Medical

Locomotion and Movement question bank (Biology)

Practice 8 free Engineer & Medical Biology - Locomotion and Movement questions with answers and step-by-step solutions.

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Q1.

Observe the flowchart with reference to joints and their examples.

Choose the correct option that matches with the letters given in the boxes.

(A)

A - Cartilaginous joint, B - Pivot joint, C - Knee joint, D - Cranial sutures

(B)

A - Pivot joint, B - Knee joint, C - Cranial sutures, D - Cartilaginous joint

(C)

A - Saddle joint, B - Cranial sutures, C - Cartilaginous joint, D - Pivot joint

(D)

A - Cranial sutures, B - Cartilaginous joint, C - Pivot joint, D - Knee joint

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Q2.

Which one of the following correctly describes the sequence of events leading to muscle contraction following acetylcholine release at the neuromuscular junction?

(A)

Decrease of $\text{Ca}^{++}$ in sarcoplasm, masking of active sites for myosin, 'Z' lines pulled inwards

(B)

Increase of $\text{Ca}^{++}$ in sarcoplasm, masking of active sites for myosin, 'Z' lines pulled inwards

(C)

Increase of $\text{Ca}^{++}$ in sarcoplasm, unmasking of active sites for myosin, 'Z' lines pulled inwards

(D)

Increase of $\text{Ca}^{++}$ in sarcoplasm, unmasking of active sites for myosin, 'Z' lines pulled outwards

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