1491: With reference to food chains. In ecosystems, consider the following statements:

1. A food chain illustrates the order in which a chain of organisms feed upon each other.

2. Food chains are found within the populations of a species.

3. A food chain illustrates the numbers of each organism which are eaten by others.

Which of the statements given above is/are correct?

(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
1492: Rajiv Gandhi National Flying Institute is being established in which State?

(a) Maharashtra
(b) Kerala
(c) Karnataka
(d) Orissa
1493: Sustainable development is described as the development that meets the needs of the present without compromising the ability of future generations to meet their own needs. In this perspective, inherently the concept of sustainable development is intertwined with which of the following concepts ?

(a) Social justice and empowerment

(b) Inclusive Growth

(c) Globalization

(d) Carrying capacity
1494: Assertion (A): Balance of Payments represents a better picture of a country's economic transactions with the rest of the world than the Balance of Trade.

Reason (R) : Balance of Payments takes into account the exchange of both visible and invisible items whereas Balance of Trade does not.

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

(b) Both A and R are individually true R is not the correct explanation of A.

(c) A is true but R is false.

(d) A is false but R is true.
1495: The deficiency of Vitamin D causes:

(a) Rickets

(b) Night blindness

(c) Pellagra

(d) Scurvy