Select the correct option regarding the ...

Select the correct option regarding the type of joint, that joins our arm with the shoulder.

The round end of one bone fits into the hollow part of another bone.

The joint allows movement in one plane only.

It is a slightly movable joint.

It is also present in knees.

Text Solution

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The correct Answer is:

The joint which joins our arm with the shoulder is ball and socket joint. In this joint, the round end of one bon e fits into the hollow part of another bone. The joint allow movements in all the directions. It is a freely movable joint. It ia also present in the region where leg is joined to the hips.

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Select the correct option regarding the given figure

D is eosinophil which is found more in asthama patients

B is lymphocyte which helps in blood clotting

C is neutrophil which is phagocytic in nature

A is monocyte which release histamine, serotonin and heparin

Select the correct option regarding a, b and c

a-tropomyosin-runs close to F-actin throughout its length

b-troponin-complex protein distributed at regular intervals of tropomysin

c- F-actin - polymer of monomeric G- actin helically bound to each other

None of these.

Select the incorrect option regarding snakes.

They have thin muscles that are connected to each other.

They are invertebrates.

During movement, the snake's body curves into many loops.

Backbone and ribs of snakes help them to move.