501: The clouds float in the atmosphere because of their low
(a) temperature
(b) velocity
(c) pressure
(d) density
502: In binary system, 1010 is equivalent to
(a) 8
(b) 9
(c) 10
(d) 11
503: Which one of the following National Parks lies completely in the temperate alpine zone?
(a) Manas National Park
(b) Namdapha National Park
(c) Neora Valley National Park
(d) Valley of Flowers National Park
504: 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
505: Assertion (A):
India's software exports increased at an average growth rate of 50% since 1995-96.
Reason (R):
Indian software companies were cost-effective and maintained international quality.
(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 a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true