4291: Seismic waves that vibrate perpendicular to the direction of their path:
(a) Travel through the solid parts of the earth only
(b) Travel through the solid as well as other parts of the earth
(c) Spread on the surface of the earth
(d) None of the above
4292: Who among the following was not a contemporary of the other three?
(a) Prasenjit
(b) Bimbisara
(c) Gautama Buddha
(d) Milinda
4293: Which party was founded by Subhash Chandra Bose in the year 1939 after he broke away from the Congress?
(a) Revolutionary Front
(b) Azad Hind Fauj
(c) Forward Block
(d) Indian Freedom Party
4294: Biofilms are
(a) colour films used by biologists to photograph living organisms
(b) photomicrographs of microorganisms from various habitats
(c) accumulations of microorganisms at surfaces such as those of a rock, a tooth or an oil droplet
(d) photographic films made through fermentation processes of certain industrial microorganisms
4295: Consider the following statements:
1. Baking soda is used in fire extinguishers.
2. Quicklime is used in the manufacture of glass.
3. Gypsum is used in the manufacture of Plaster of Paris.
Which of the statements given above is/are correct ?
(a) 1 and 2
(b) 2 and 3
(c) 1 only
(d) 1, 2 and 3