1636: A person walking barefooted in a field feels a sharp sting and on examination two puncture marks are found on his leg. He is most probably bitten by:

(a) Poisonous snake

(b) Non-poisonous snake

(c) Scorpion

(d) Rat
1637: The shortest route from New Delhi to Vancouver is:

(a) New Delhi--Bangkok--Tokyo--Vancouver

(b) New Delhi--London--New York--Vancouver

(c) New Delhi--Paris--New York--Vancouver

(d) New Delhi--Moscow--New York--Vancouver
1638: With reference to India, consider the following Central Acts:

1. Import and Export (Control) Act, 1947

2. Mining and Mineral Development (Regulation) Act, 1957

3. Customs Act, 1962

4. Indian Forest Act, 1927

Which of the above Acts have relevance to/bearing on the biodiversity conservation in the country?

(a) 1 and 3 only
(b) 2, 3 and 4 only
(c) 1, 2, 3 and 4
(d) None of the above Acts
1639: When ten persons shake hands with one another, in how many ways is it possible ?

(A) 45
(B) 20
(C) 25
(D) 40
1640: The growth rate of per capita income at current prices is higher than that of per capita income at constant prices, because the latter takes into account the rate of

(a) growth of population
(b) increase in price level
(c) growth of money supply
(d) increase in the wage rate