1236: In which one of the following States has India's largest private sector sea port been commissioned recently?

(A) Kerala
(B) Tamil Nadu
(C) Karnataka
(D) Andhra Pradesh
1237: Zero was invented by

(a) Aryabhata

(b) Varahamihira

(c) Bhaskara I

(d) an unknown Indian
1238: If the difference in time of the two places is 2 hours and 20 minutes, then the difference in their longitudes would be

(a) 30°

(b) 35°

(c) 40°

(d) 45°
1239: Assertion (A):

Unlike temperate forests, the tropical rain forests, if cleared, can yield productive farm-land that can support intensive agriculture for several years even without chemical fertilizers.

Reason (R):

The primary productivity of the tropical rain forest is very high when compared to that of the temperate forests.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1240: Consider the following statements :

1. The Ikshvaku rulers of southern India were antagonistic towards Buddhism.

2. The Pala rulers of Eastern India were patrons of Buddhism.

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