NEET Biology question
P is a joint that allows movement in one plane only and shows 180° of movement. This type of joint is found in our body at elbow and in skull. The movement of car doors resembles the movement of bones between which this joint is present.
Q joint allows movement in all directions and in more than one plane. This joint controls the movement of the humerus and femur bones. Movement of pestle in a mortar resembles the movement of bones in this joint.
The joints P and Q in the above paragraphs are respectively
Answer: (D)
Solution
Joint P, permitting a single plane of 180° movement like a door hinge, is a hinge joint, and joint Q, permitting movement in all
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