21. The Sun always rises in the East because
(a) It is located in East
(b) The Earth rotates from East to West
(c) The earth rotates from West to East-
(d) The earth revolves around the Sun from West to East
22. A ship sailing from Vancouver to Tokyo, crosses the International Date Line on Wednesday, the 8th of November. What will be the next day?
(a) Sixth of November
(b) Seventh of November
(c) Ninth of November
(d) Tenth of November-
23. Spring tide occurs when the .
(a) Earth, Moon and the Sun are in a straight line-
(b) Sun, Earth and the Moon are at right angles to each other
(c) Earth comes near the Sun
(d) Earth is away from the Sun
24. Which of the following words explains a narrow strip of land separating two seas and connecting two landmarks?
(a) Isthmus-
(b) Strait
(c) Bay
(d) Peninsula
25. Presence of which gas in the outer most layer of the atmosphere does not .allow ultraviolet rays of the sunlight to reach Earth?
(a) Helium
(b) Ozone-
(c) Oxygen
(d) Chlorine
26. The second largest continent (in terms of area) is .
(a) Asia
(b) South America
(c) North America
(d) Africa-
27. South Pole was discovered by .
(a) Cabot
(b) Robert Peary
(c) Amundsen-
(d) None of these
28. The dates on which day and night are equal are;
(a) 21st March and 24th December
(b) 14th January and 23rd September
(c) 21 st March and 23rd September-
(d) 14th January and 22nd June
29. At which place on earth there is always day and night of an equal duration?
(a) On the tropic of Cancer
(b) On the Poles
(c) On the tropic of Capricorn
(d) On the Equator-
30. A line on a map joining places having equal atmospheric pressure is called .
(a) Isotherm
(b) Isobar-
(c) Isocry me
(d) Isolyte
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