Hinge Joints

Q.

Soft part present in our ear and nose of the tip is

1. Cartilage

2. Bone

3. tendon

4. All of these

Q. If you are sitting on a chair and swinging your legs, which joints are you moving?

1. Ball and socket joint
2. Pivot joint
3. Hinge joint
4. Fixed joint

Q. The joints responsible for opening and closing of door is

1. Ball and socket joint

2. Hinge joint

3. Pivotal joint

4. Fixed joint

Q.

The movement of Sachin's arm while playing cricket occurs due to the movement of __.

Q. Assertion (A): Alveoli of the lungs are lined by epithelial cells.
Reason (R): Gas exchange occurs in the lungs.

1. A is incorrect but R is correct.
2. Both A and R are correct, but R is not the correct explanation of A.
3. Both A and R are correct and R is the correct explanation of A.
4. A is correct but R is incorrect.