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 General Science Questions

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Q:

Suppose if we measure the time lapse between the two Sunsets by sitting in the beach , from this we can estimate 

A) The distance between the sun and earth B) The depth of the ocean
C) The radius of the earth D) The radius of the sun
 
Answer & Explanation Answer: C) The radius of the earth

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Q:

The concept of biosphere reserve was evolved by

 

 

A) IUCN B) UNESCO
C) Zoological Survey of India D) Government of India
 
Answer & Explanation Answer: B) UNESCO

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Q:

The first synthetic fibre made by man was ____ ?

A) Rayon B) Terycott
C) Polyester D) Nylon
 
Answer & Explanation Answer: D) Nylon

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38 9490
Q:

What colors make green?

 

 

A) Blue & Red B) Red & White
C) Yellow & Red D) Yellow & Blue
 
Answer & Explanation Answer: D) Yellow & Blue

Explanation:

We all know that green is one among the three primary colors in additive mixing.

 

what_colors_make_green1605081805.jpg image 

 

By mixing blue and yellow colors we get green color.

 

 

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Q:

What is the name of the second layer of the Earth's three concentric layers?

 

A) SIAL B) SIMA
C) NIFE D) No option is correct
 
Answer & Explanation Answer: B) SIMA

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Q:

Crop rotation helps to

 

A) eliminate parasites which have selective hosts B) lessen use of pesticides
C) produce a greater choice of plant products D) yield more crops
 
Answer & Explanation Answer: A) eliminate parasites which have selective hosts

Explanation:

Crop rotation is the technique of planting crops in a different area of the garden so that no single crop will be planted in the same place two—or more—years in a row.

 

Crop rotation helps to maintain soil structure and nutrient levels and to prevent soilborne pests from getting a foothold in the garden.

 

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1 9158
Q:

How much longitude does the Earth move in an hour?

 

A) 12 deg B) 15 deg
C) 18 deg D) 20 deg
 
Answer & Explanation Answer: B) 15 deg

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Q:

The central principle of physiology is

 

A) reflexes B) homeostasis
C) stimulation D) temperature regulation
 
Answer & Explanation Answer: B) homeostasis

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