4071: The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
(a) the water vapour of the air and retains its heat
(b) the ultraviolet part of the solar radiation
(c) all the solar radiations
(d) the infrared part of the solar radiation
4072: Several states in the North-Eastern part of India were carved out by separating them from Assam. Which one of the following pairs is not among them?
(a) Manipur and Meghalaya
(b) Mizoram and Tripura
(c) Arunachal Pradesh and Nagaland
(d) Manipur and Tripura
4073: Angora wool is obtained from a breed of
(a) Rabbit
(b) Sheep
(c) Goat
(d) Fox
4074: Where is the Central Water and Power Research Station located?
(a) Sileru
(b) Khadakwasia
(c) Srisailam
(d) Jamnagar
4075: After consolidating his power, Balban assumed the grand title of
(a) Tute-i-Hind
(b) Kaisr-i-Hind
(c) Zil-i-Ilahi
(d) Din-i-Ilahi