General Science Questions

Q:

Major portion of the earth's crust is mainly constituted by

A) Oxygen and Iron B) Oxygen and Silicon
C) Silicon and Iron D) Silicon and Aluminium
 
Answer & Explanation Answer: B) Oxygen and Silicon

Explanation:
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Q:

Which work of art uses hierarchical scale?

A) painting B) sculpture
C) both a & b D) none
 
Answer & Explanation Answer: C) both a & b

Explanation:

Hierarchical scale is used in both painting and sculpture works of arts.

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Q:

Name the elements that determine the weather of a place.

A) Humidity B) Temperature
C) Rainfall D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The elements that determine the weather of a place are temperature, humidity, rainfall and wind.

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Q:

The most productive ecosystem in the biosphere is

A) Desert B) Open Ocean
C) Estuary D) Tundra
 
Answer & Explanation Answer: C) Estuary

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Q:

In polar areas, solar radiation strikes earth at a

A) small angle B) right angle
C) large angle D) None of the above
 
Answer & Explanation Answer: A) small angle

Explanation:

The earth receives energy from the Sun in the form of radiation . The Earth reflects about 30% of the incoming solar radiation. In polar areas, solar radiation strikes earth at a low angle. The more acute the angle at which the sunlight strikes, the more atmosphere that sunlight must pass through.

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Q:

Which one of the following statements is not correct?

A) Position of the sun, Earth and Moon in a straight line of 180oangle is known as syzygy. B) Syzygy conjunction causes solar eclipse.
C) Syzygy opposition causes lunar eclipse. D) Syzygy conjunction occurs at the time of perihelion only.
 
Answer & Explanation Answer: D) Syzygy conjunction occurs at the time of perihelion only.

Explanation:

In astronomy, a syzygy is a straight-line configuration of three or more celestial bodies in a gravitational system.Solar and lunar eclipses occur at times of syzygy, as do transits and occultations.

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Q:

The hormone that helps plants respond to drought is

A) Ethylene B) Cytokinin
C) Abscicic acid D) Auxin
 
Answer & Explanation Answer: C) Abscicic acid

Explanation:

The hormone that helps plants respond to drought is Abscicic acid.

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Q:

Human Beings belong to which category of the ecosystem?

A) Omnivores B) Carnivores
C) Herbivores D) Zooplankton
 
Answer & Explanation Answer: A) Omnivores

Explanation:
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