62.
Match the stage in List-I with achievement in List-II.
List-I List-II
a. Sensory motor stage 1. Centration
b. Preoperational stage 2. Object permanence
c. Concrete operations 3. Test hypothesis
d. Formal operations 4. Conservation of numbers
5. Formation

65.
Assertion (A) Ageing is associated with loss of lean body mass, bone mass and total body calcium.
Reason (R) High fat and low protein diets are recommended for elderly.

68.
Which of the following statements is/are correct?
Statement I Skin become thinner and wrinkled during old age.
Statement II Collagen and elastin change chemically.

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