11. Trade winds of northern hemisphere blow from north east to the south west because of _____?
(a) Coriolis force
(b) Centripetal force
(c) Gravitational force
(d) None
12. Thunderbolt of Asia is which country ______?
(a) Bhutan
(b) China
(c) Mongolia
(d) None
13. Equator passes through which one of the following countries ______?
(a) Malaysia
(b) Pakistan
(c) Malta
(d) China
Equator: an imaginary line around the middle of a planet or other celestial body.
14. The depletion of ozone layer is mainly caused by _____?
(a) The release of industrial waste
(b) The release of chlorofluoro carbons
(c) the deforestation of large area of land
(d) changes in asteroid activity in the solar system
15. Which layer of the atmosphere provides ideal conditions for flying airplanes ______?
(a) Troposphere
(b) Stratosphere
(c) Ionosphere
(d) Exosphere
16. Through which one of the following countries, the equator does not pass ______?
(a) Tanzania
(b) Uganda
(c) Zaire
(d) Kenya
17. A line on a map joining places of equal monthly or yearly rainfall is called _____?
(a) Isoneph
(b) Isoyet
(c) Isobar
(d) Isotherm
18. The Earth revolves around the Sun in an elliptical orbit. Its speed ______?
(a) Goes on decreasing continuously
(b) Is largest when it is closest to the Sun
(c) Is greatest when it is farthest from the Sun
(d) Remains the same at all points on the orbit
19. The origin of earth dates back to approx. ______?
(a) 3.6 B years
(b) 4.6 B years
(c) 5.6 B years
(d) 6.6 B years
20. “Ecliptic” is the term used for ______?
(a) Path of the Earth around the Sun
(b) Sun when eclipsed
(c) Sun’s path in the sky during a year
(d) Moon when eclipsed
