Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Data 1._______ the Pioneer spacecraft of NASA apparently prove the theory that the high surface temperature of Venus is 2.______ to an atmospheric greenhouse effect caused mainly by a blanket of carbon dioxide. Such a greenhouse 3.______ is created when energy in the form of sunlight easily passes through a planet's atmosphere, warms its 4.____ and is converted to heat radiation that is then held in by the atmosphere from top to bottom. Venus has a relatively thin atmosphere like the Earth's, but Venus' atmosphere consists of more than ninety percent carbon dioxide, compared to less than four percent in that of the 5.____
Select the most appropriate option to fill in the blank No. 3.
Option 1: contour
Option 2: displacement
Option 3: affect
Option 4: effect
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Correct Answer: effect
Solution : The correct option is the fourth option .
In the sentence, the greenhouse effect is used to describe the specific phenomenon related to the trapping of heat in a planet's atmosphere due to certain gases, which results in warming. So, the most appropriate word that can be used after greenhouse is effect .
The meanings of the other words are:
- Displacement : This term generally refers to the act of moving something from its original place or position.
- Contour : It refers to the outline or shape of something, particularly the outline of a figure, body, or surface.
- Affect : This word can be a verb, meaning to have an influence on or produce a change in something.
So, the complete sentence would be, "Such a greenhouse effect is created".
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