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 General Science Questions

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Q:

Thermal electricity is generated by using which of these ?

A) Coal only B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum D) None of these
 
Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

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Q:

Which of the following planets has the highest revolutionary motion?

A) Mercury   B) Venus
C) Mars D) Jupiter  
 
Answer & Explanation Answer: D) Jupiter  

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Q:

The outermost layer of the earth's atmosphere is _______.

A) stratosphere B) troposphere
C) mesosphere D) exosphere
 
Answer & Explanation Answer: D) exosphere

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Q:

Minamata disease is a nervous disorder caused by eating fish, polluted with _____

A) Iron B) Mercury
C) Lead D) Nickel
 
Answer & Explanation Answer: B) Mercury

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Q:

What are Equinox days?

A) When day is smaller than night B) When day is the longest in the year
C) When day is greater than night D) When day and night are equal
 
Answer & Explanation Answer: D) When day and night are equal

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Q:

What is organic matter in soil is also called

A) residue B) humus
C) occlusion D) compact
 
Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,... 

This humus is important for soil structure because it holds individual mineral particles together in clusters.

 

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Q:

______ of species is a reflection of their evolutionary relationships.

A) Characteristics B) Adaptation
C) Illustration D) Classification
 
Answer & Explanation Answer: D) Classification

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Q:

A school always has a

A) Library B) Headmaster
C) Teacher D) Building
 
Answer & Explanation Answer: C) Teacher

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