1111: The Ninth Schedule was introduced in the Constitution of India during the prime ministership of

(a) Jawaharlal Nehru

(b) Lal Bahadur Shastri

(c) Indira Gandhi

(d) Morarji Desai
1112: The following figure represents sales (in thousands) over the period 1978 to 1983 :

The sales in 1981 exceeded that in 1979 by

(a) Rs. one hundred
(b) Rs. ten thousand
(c) Rs. one lakh
(d) Rs. ten lakh
1113: Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

(a) They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency.

(b) They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy.

(c) They neutralize the free radicals produced in the body during metabolism.

(d) They activate certain genes in the cells of the body and help delay the ageing process.
1114: With regard to the transmission of the Human Immuno deficiency Virus, which one of the following statements is not correct ?

(a) The chance of transmission from female to male are twice as likely as from male to female

(b) The chances of transmission are more if a person suffers from other sexually transmitted infections

(c) An infected mother can transmit the infection, at childbirth and by breast feeding

(d) The risk of contraction infection from transfusion of infected blood is much higher than an exposure to contaminated needle
1115: Assertion (A) :
A man standing on a completely friction-less surface can propel himself by whistling.

Reason (R) :
If no external force acts on a system, its momentum cannot change.

(a) Both A and R are true, and R is the correct explanation of A

(b) Both A and R are true, but R is not a correct explanation of A

(c) A is true, but R is false

(d) A is false, but R is true