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 General Science Questions

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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C) an old, outdated term for personality psychology D) the study of the whole person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:

ISRO built India's first satellite known as _____.

A) Aryabhata B) Bhaskara
C) Rohini D) Insat 1A
 
Answer & Explanation Answer: A) Aryabhata

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Q:

The number of neutrons in an atom is equal to the :

A) Mass number B) Atomic number
C) Mass number - atomic number D) Number of electrons
 
Answer & Explanation Answer: C) Mass number - atomic number

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Q:

Ultraviolet radiation in the stratosphere is absorbed by

A) SO2 B) Ozone
C) Oxygen D) Argon
 
Answer & Explanation Answer: B) Ozone

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Q:

What does BOD5 refer to?

A) Biochemical Oxygen Demand in 5 days B) Biochemical Oxygen Demand in 5 hours
C) Biochemical Oxygen Demand in 5 minutes D) Biochemical Oxygen Demand in 5 Months
 
Answer & Explanation Answer: A) Biochemical Oxygen Demand in 5 days

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Q:

___________ is the most ecologically relevant environmental factor.

A) Water B) Temperature
C) Light D) Soil
 
Answer & Explanation Answer: B) Temperature

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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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Q:

Which part of the plant gives us saffron?

A) Roots B) Petals
C) Stem D) Stigma
 
Answer & Explanation Answer: D) Stigma

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