1971: Assertion (A) :

Mangroves are very specialised forest ecosystems of tropical and subtropical regions bordering certain sea coasts.

Reason (R) :

They stabilise the shoreline and act as bulwark against encroachments by sea.

In the context of the above two statements, which one of the following is correct ?

(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
1972: In summer, man with excess perspiration feels weak, because of the:

(a) Loss of more water through evaporation

(b) Loss of salts through evaporation

(c) Loss of carbohydrates through evaporation

(d) All factors mentioned above
1973: Galvanising of sheet iron is done by dipping the sheet metal into molten

(a) Mercury

(b) Cadmium

(c) Lead

(d) Zinc
1974: Consider the following statements :

1. The Charter Act 1853 abolished East India Company monopoly of Indian trade.

2. Under the Government of India Act,1858, the British Parliament abolished the East India company altogether and undertook the responsibility of ruling India directly.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1975: Which one of the following planets has largest number of natural satellites or moons?

(a) Venus
(b) Mars
(c) Jupiter
(d) Saturn