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 General Science Questions

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Q:

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because 

A) The soil of rain forest is deficient in nutrients B) Propagules of the trees in a rain forest have poor viability
C) The rain forest species are slow growing D) Exotic species invade the fertile soil of rain forest
 
Answer & Explanation Answer: A) The soil of rain forest is deficient in nutrients

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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:

What is scientific name of " Tulsi " ?

A) Gossypium Herbaceum B) Ocimum Sanctum
C) Zea Mays D) Cojonus Cgjan
 
Answer & Explanation Answer: B) Ocimum Sanctum

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Q:

Chilling is most commonly practiced by

Answer

Chilling is most commonly practiced by Food Handlers like restaurents, hotels,...


 


 Chilling_is_most_commonly_practiced_by1556260019.jpg image







    • Chilling or Cooling is nothing but preserving the food in a cool storage like refrigerators.



 

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Q:

Name the mineral used to produce artificial diamonds.

Answer

Graphite

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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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Q:

Seawater (i.e. saltwater) freezes at: 

A) at a slightly higher temperature than fresh water B) at a slightly lower temperature than fresh water.
C) the same temperature as fresh water. D) seawater does not freeze.
 
Answer & Explanation Answer: B) at a slightly lower temperature than fresh water.

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Q:

At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?

1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

A) 1 and 2 only B) 2 only
C) 1 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

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