371: The average elevation of Tibetan Plateau above sea level is
(a) 2 km
(b) 3 km
(c) 4 km
(d) 5 km
372: Cloudy nights are warmer compared to clear cloudless nights, because clouds
(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
Explanation:
Cloudy nights are warmer compared to clear cloudless nights, because clouds reflects back the heat given off by the earth.
373: Which one of the following pairs is correctly matched ?
(a) Teak : Jammu and Kashmir
(b) Deodar : Madhya Pradesh
(c) Sandalwood : Kerala
(d) Sundari : West Bengal
374: Which one of the following soil types of India is rendered infertile by the presence of excess iron ?
(a) Desert sand
(b) Alluvial
(c) Podzolic
(d) Lateritic
375: The India-Pakistan boundary line has reference to:
(a) McMohan Line
(b) Radcliffe Line
(c) Durand Line
(d) Maginot Line