2476: The heater element in an electric iron is made of:
(a) Nichrome
(b) Tungsten
(c) Copper
(d) Iron
2477: India has the largest population of the Asian X. Today, there are just about 20,000 to 25,000 X in their natural habitat spreading across the evergreen forests, dry thorn forests, swamps and grasslands. Their prime habitats are, however, the moist deciduous forests. The X population in India ranges from North-West India where they are found in the forest divisions of Dehradun, Bijnor and Nainital districts of UP to the Western Ghats in the states of Karnataka and Kerala and in Tamil Nadu.
In Central India, their population is distributed in southern Bihar and Orissa. In the East, they are seen in North-Bengal, Assam and a few other states.
The animal X referred to in this quotation is
(a) Lion
(b) Elephant
(c) Tiger
(d) One-horned rhinoceros
2478: Paraffin is a by-product of
(a) Petroleum refining
(b) Processing of agricultural wastes
(c) Cottage industries involving beekeeping
(d) Leather industry
2479: Antyodaya scheme aims at:
(a) To uplift the poorest sections of the society
(b) To provide drinking water to Harijans
(c) To implement reservation policy for Scheduled Castes and Scheduled Tribes
(d) To allot land to marginal farmers
2480: Two important characteristics of a hypothesis are that it should be testable and that it should be stated in a manner that it can be refuted. Which one of the following hypotheses, fulfils these characteristics ?
(a) Intelligent persons have good memory
(b) Some birds are animals
(c) Some businessmen are dishonest
(d) All men are mortal