3516: Agricultural income tax is assigned to the State Governments by

(a) the Finance Commission
(b) the National Development Council
(c) the Inter-State Council
(d) the Constitution of India
3517: It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?

1. Production of algae based biofuels is possible in seas only and not on continents.

2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.

3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.

Select the correct answer using the code given below:

a. 1 and 2 only
b. 2 and 3 only
c. 3 only
d. 1, 2 and 3
3518: The original name of Mahabharata was

(a) Brihit Katha

(b) Sahastra Samhita

(c) Jaya Samhita

(d) Rajatarangini
3519: The problem of international liquidity is related to the non-availability of

(a) goods and services
(b) gold and silver
(c) dollars and other hard currencies
(d) exportable surplus
3520: When light enters a closed room through a small hole in the door, the image of an outside building appears as inverted on the opposite wall. This is because:

(a) The hole acts as a convex lens

(b) Light takes curvature at the edges of the hole

(c) Of rectilinear propagation of light

(d) The hole acts as a concave lens