General Science Questions

Q:

Salination of soil is caused by

A) Pesticides B) soil erosion
C) excess irrigation D) crop rotation
 
Answer & Explanation Answer: C) excess irrigation

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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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0 1400
Q:

Which of the following is least likely to be an effect of global warming?

A) Increased frequency of hurricanes B) Loss of fertile delta region as for agriculture
C) Decreased rate of photosynthesis in vegetation D) Shrinking of the polar ice regions
 
Answer & Explanation Answer: C) Decreased rate of photosynthesis in vegetation

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Q:

The commonly used thermometric substance is _____.

A) mineral oil B) Alcohol
C) Mercury D) Petrol
 
Answer & Explanation Answer: C) Mercury

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Q:

Which of the following pairs is NOT correctly matched?

A) Silent volcano : Damavand B) Active volcano : Stromboli
C) Dormant Volcano - Krakatau D) Extinct volcano - Etna
 
Answer & Explanation Answer: D) Extinct volcano - Etna

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Q:

Ficus benghalensis is the scientific name of _______.

A) Banyan B) Pineapple
C) Babul D) Tulsi
 
Answer & Explanation Answer: A) Banyan

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Q:

What is a Pepper plant ?

A) Bush B) Shrub
C) Vine D) Tree
 
Answer & Explanation Answer: C) Vine

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Q:

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

A) Predation B) Commensalism
C) Competition D) Parasitism
 
Answer & Explanation Answer: B) Commensalism

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