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 General Science Questions

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Q:

Kyoto Protocol is related to

A) Wetland conservation B) Ozone depletion
C) Air pollution D) Climate change
 
Answer & Explanation Answer: D) Climate change

Explanation:
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Q:

All of the following are excretory (waste) products of animals, except

A) Uric Acid B) Ammonia
C) Carbohydrates D) Urea
 
Answer & Explanation Answer: C) Carbohydrates

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Q:

Demography is the scientific study of

A) Growth of population B) The well being of populations
C) Birth and death of population D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Demography is the scientific study of Birth and death, The well being and the Growth of population. In brief, it is the study of human populations based on their size, composition and distribution across space – and the process through which populations change.

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Q:

How CNG is a cleaner fuel?

I. It produces oxides of Sulphur and Nitrogen in very small amounts.
II. It makes environment less polluted.
III. It emits less greenhouse gases.

A) Only I and II B) Only II and III
C) Only I and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

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Q:

Which is an example of a physical change?

A) Dissolving sugar in water B) Breaking glass
C) Melting of ice D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

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Q:

Through which microscope were cells first observed?

A) Compound B) Simple
C) Electron D) Tunneling
 
Answer & Explanation Answer: A) Compound

Explanation:

A microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.

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Q:

Which describes a Mendelian trait?

A) Humans either have attached earlobes or detached earlobes B) Blood type in humans has several different alleles
C) Plants can grow to a wide range of heights D) Human body mass is controlled by many genes
 
Answer & Explanation Answer: A) Humans either have attached earlobes or detached earlobes

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Q:

Which energy source generates the least greenhouse gases?

A) Fossil fuels energy B) Nuclear energy
C) Solar energy D) All of the above
 
Answer & Explanation Answer: A) Fossil fuels energy

Explanation:

Fossil fuels energy source generates the least greenhouse gases. Of them, i.e, oil, natural gas and coal, natural gas source generates the least greenhouse gases.

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