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 General Science Questions

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Q:

Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?

A) Species B) Genus
C) Kingdom D) Phylum
 
Answer & Explanation Answer: D) Phylum

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Q:

A bomb explodes on the moon. You will hear its sound on earth after _________

A) 20 minutes B) 2 hrs 20 minutes
C) 3.7 hours D) You cannot hear the sound of explosion
 
Answer & Explanation Answer: D) You cannot hear the sound of explosion

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Q:

Study of classification of organisms is known as _____.

A) Serpentology B) Virology
C) Taxonomy D) Physiology
 
Answer & Explanation Answer: C) Taxonomy

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Q:

Red rot is a disease caused to which of the following plant?

A) Paddy B) Sugarcane
C) Mustard D) Wheat
 
Answer & Explanation Answer: B) Sugarcane

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Q:

Atomic radius is measured in:

A) Micrometres B) Nanometres
C) Millimetres D) Centimetres
 
Answer & Explanation Answer: B) Nanometres

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Q:

Who was the first Indian astronomer to calculate the time taken by earth to orbit the sun?

A) Aryabhatta B) Ved Bhatnagara
C) Bhaskaracharya D) Bishu devtamapi
 
Answer & Explanation Answer: C) Bhaskaracharya

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Q:

"Personology" refers to _____.

A) the study of healthy, well-adjusted individuals B) the study of how individuals operate within groups
C) an old, outdated term for personality psychology D) the study of the whole person
 
Answer & Explanation Answer: D) the study of the whole person

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Q:

Dolomite power is applied in some agricultural lands. The purpose of applying it is to

A) increase the pH of the soil B) lower the pH of the soil
C) increase the phosphorus content of the soil D) increase the nitrogen content of the soil
 
Answer & Explanation Answer: A) increase the pH of the soil

Explanation:

Dolomite is a limestone compound that contains calcium and magnesium. It provides valuable nutrients to plants and helpschange the pH of the soil by raising it to match the plants' needs. It evenprovides more nutrients than straight lime. It is often used in addition to balanced fertilizers, particularly with seeding fruit.

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