World Geography - General Knowledge Questions and Answers

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In the structure of planet Earth, below the mantle, the core is mainly made up of_____?

A)

aluminium


B)

silicon


C)

chromium


D)

iron



Correct Answer :

iron


Explanation :

The planet is made up of three main shells: the very thin, brittle crust, the mantle and the core.
The core forms only 15 percent of the Earth's volume, whereas the mantle occupies 84 percent.

The core is made primarily of iron.

Magma that reaches the Earth's surface and then solidifies is called________?

A)

quartz


B)

lava


C)

granite


D)

silicates



Correct Answer :

lava


Explanation :

volcano an opening in the earth's crust through which magma or gases can erupt onto the surface. When magma reaches the surface from beneath water or air, it is called lava.

Isotherms are the lines of equal_______?

A)

pressure


B)

temperature


C)

rainfall


D)

height



Correct Answer :

temperature


Explanation :

A line connecting points of equal temperature is called an isotherm.

Which of the following gases in the atmosphere absorbs heat from the Sun’s radiation and the Earth's surface?

A)

Neon


B)

Carbon dioxide


C)

Argon


D)

Nitrogen



Correct Answer :

Carbon dioxide


Explanation :

Water vapor, carbon dioxide, methane, and other trace gases in Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from Earth's surface. These gases then emit the infrared radiation in all directions, both outward toward space and downward toward Earth.

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Fill in the blank with the most appropriate preposition in the given sentence.
Let’s sit _________ the shade of this beautiful tree.

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________of what he said was very sensible.

Substitution

Choose the option that substitutes the given phrase appropriately.
A work of art made by carving

Correct sentence

Choose the option that best transforms the sentence into its Indirect form:
‘What country do you come from?’ said the police officer.

Alternative Phrase

Choose the option that best explains the highlighted expression:
All human beings have feet of clay.

Fill in the blank

Choose an appropriate modal for the given sentence:
My doctor said that I_____ stop smoking as one of my lungs got infected.

Choose the appropriate prepositions for the given sentence:
My parents have been married ________ forty-nine years, but you can still see the love ________ their eyes.

Choose the appropriate conjunction for the given sentence:
______ it rains, the college will declare the holiday.

Antonyms

Choose the appropriate antonym for the highlighted word in the given sentence.
The family protracted their visit by several days.

Tenses

Choose the appropriate tenses to fill in the blanks in the given sentence:
Please _________ a noise. Ritu __________ to sleep.

Synonyms

Choose the appropriate synonym for the highlighted word in the given sentence.
Does he really expect us to believe such a flimsy excuse?