2311: The Millennium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?
(a) Production of food and water
(b) Control of climate and disease
(c) Nutrient cycling and crop pollination
(d) Maintenance of diversity
2312: Which of the following was the main reason of the downfall of Mauryan empire ?
(a) Weak successors of Ashoka who could not control the empire properly
(b) Religious policy of Ashoka
(c) Ashoka maintained friendly relations with his neighbours
(d) None of the above
2313: At the time of partition of India, which one of the following provinces of the British India came forward with a plan for a united and independent existence ?
(a) Punjab
(b) Assam
(c) Bengal
(d) Bihar
2314: A free-floating astronaut A pushes another free-floating astronaut B in space. The mass of A is greater than that of B. The force exerted by the astronaut A on the astronaut B will be:
(a) Equal to zero.
(b) Equal to the force exerted by B on A.
(c) Greater than the force exerted by B on A.
(d) Less than the force exerted by B on A
2315: Assertion (A)
A Rainfall is scanty on the east of Western Ghats.
Reason (R)
The east of Western Ghats is on the lee side.
(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 the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true