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Q:

In bio fortification technique plant breeders use breeding to overcome

A) Loss due to insect pests B) Decrease in food production
C) Deficiencies of micronutrients and vitamins D) Loss due to plant diseases
 
Answer & Explanation Answer: C) Deficiencies of micronutrients and vitamins

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Q:

How many days moon takes to revolve around the earth?

A) 26.3 B) 27.3
C) 28.3 D) 29.2
 
Answer & Explanation Answer: B) 27.3

Explanation:

The Moon takes about 27.3 days to perform one complete orbit around the Earth.

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Q:

Which among the following is the major cause of acid rain?

A) Carbon dioxide B) Carbon monoxide
C) Nitrogen dioxide D) Oxygen
 
Answer & Explanation Answer: C) Nitrogen dioxide

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Q:

What is Syzygy?

A) Position of sun, earth and moon in the straight line B) Earth's position between Sun and Moon
C) Sun and Moon position on one side of the Earth D) The right angle position of Moon from the Sun and Earth
 
Answer & Explanation Answer: A) Position of sun, earth and moon in the straight line

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Q:

Which of the following three R's are regarded as environment friendly?

A) Reduce – Reuse – Recycle B) Reduce – Reuse – Reutilize
C) Recollect – Reuse – Reutilize D) Reduce – Renew – Reutilize
 
Answer & Explanation Answer: A) Reduce – Reuse – Recycle

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Q:

The outermost layer of Earth is called _______.

A) Sphere B) Crust
C) Mantle D) Core
 
Answer & Explanation Answer: B) Crust

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Q:

Earth revolves around Sun. Who was the 1st one to present this theory?

A) Albert Einstein B) Galileo
C) Copernicus D) Newton
 
Answer & Explanation Answer: C) Copernicus

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Q:

Which of the following is NOT an effect of Noise Pollution?

A) Death of Animals B) Tinnitus
C) Hypertension D) Ozone Depletion
 
Answer & Explanation Answer: D) Ozone Depletion

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