Q:

Where does hydroelectric energy come from?

A) Air	B) Water
C) Solar	D) All of the above

Answer & Explanation Answer: B) Water

Explanation:

Hydroelectricity is electricity produced from hydropower i.e, water.

Where_does_hydroelectric_energy_come_from1536043070.jpg image

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Q:

The process of encoding refers to

A) getting information into memory.	B) the recall of information previously learned.
C) a clear memory of an emotionally significant event.	D) the persistence of learning over time.

Answer & Explanation Answer: A) getting information into memory.

Explanation:

Encoding refers to the getting information into memory.

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Q:

Wavelength of which of the following colours of the visible spectrum of light are maximally absorbed by green plants________

A) Green and Yellow	B) Red and Blue
C) Green and Red	D) Blue and Yellow

Answer & Explanation Answer: B) Red and Blue

Explanation:

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Q:

Which of these places lies nearest to the Equator?

A) Singapore	B) Lagos
C) Colombo	D) Jakarta

Answer & Explanation Answer: A) Singapore

Explanation:

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Q:

Which of the following is NOT a feature found in almost every cell ?

A) Cell wall	B) Plasma membrane
C) Nucleus	D) Cytoplasm

Answer & Explanation Answer: A) Cell wall

Explanation:

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Q:

Who is the author of the book "The way of Knife: The CIA, A secret army and a war at the ends of the earth" ?

A) Mark Twain	B) Irika John
C) Mario Pujo	D) Mark Mazzetti

Answer & Explanation Answer: D) Mark Mazzetti

Explanation:

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Q:

The term protoplasm was coined by

A) Hugo von Mohl	B) J. E. Purkinje
C) Oken	D) Kolliker

Answer & Explanation Answer: B) J. E. Purkinje

Explanation:

Protoplasm is the living content of a cell that is surrounded by a plasma membrane.

J.E_._Purkinje_1533211732.jpg image

J. E. Purkinje in the year 1839 coined the term 'protoplasm' for the fluid substance of the cell.

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Q:

How can you get/set an environment variable from a program?

Answer

Getting the value of an environment variable is done by using `getenv()’. Setting the value of an environment variable is done by using `putenv()’

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