71. The highest mountain peak of Oceania is
A. Mt. Victoria, Papua New Guinea
B. Mt. Kosciusko, Australia
C. Mt. Cook, South Island (New Zealand)
D. Puncak Jaya, Indonesia.
72. The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of
A. small, progressive changes in the earth’s rotational speed
B. small, progressive change in earth’s orbit around the sun
C. both (a) and (b)
D. None of the above
73. The largest gulf in the world is
A. Gulf of Mexico
B. Persian Gulf
C. Gulf of Carpentaria
D. Gulf of Mannar
74. The hunting and gathering economy can support only
A. 1 person per sq. km
B. 3 persons per sq. km
C. 5 persons per sq. km
D. 7 persons per sq. km
75. The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by
A. term contracts
B. term tenders
C. monthly tenders
D. All the above