World Geography - Mock Test 4

Question 31

Which of the following planet takes the least time to orbit the Sun

A) Mars B) Mercury C) Earth D) Saturn

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Question 32

The solidified lava of a volcano belongs to which rock family

A) igneous B) metamorphic C) sedimentary D) fossilized

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Question 33

The tanning rays of the sun are called

A) infrared rays B) visible light C) ultraviolet rays D) gamma rays

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Question 34

What is the relative humidity when the absolute humidity is 3 grams per cubic meter and the air has a capacity of 12 grams per cubic meter

A) 4% B) 9% C) 25% D) 400%

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Question 35

What percentage of the earths atmosphere does O2 comprise

A) 75% B) 50% C) 21% D) 32%

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Question 36

Which of the following energy sources does NOT originally come from the Sun

A) wind B) Ocean thermal energy conversion C) geothermal D) hydroelectric

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Question 37

Which of the following gases is given off in the acid test of a carbonate mineral

A) chlorine B) nitrogen C) carbon dioxide D) sulfur dioxide

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Question 38

Which of the following minerals is NOT a silicate

A) orthoclase B) muscovite C) augite (pron: aw-jIt) D) magnetite

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Question 39

Which of the following minerals is noted for its one perfect cleavage

A) calcite B) muscovite C) quartz D) pyrite

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Question 40

Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it

A) diaphaneity (pron: die-ah-fah-na-ah-tee) B) translucence C) opaqueness D) porosity

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