Questions

Q:

In polar areas, solar radiation strikes earth at a

A) small angle B) right angle
C) large angle D) None of the above
 
Answer & Explanation Answer: A) small angle

Explanation:

The earth receives energy from the Sun in the form of radiation . The Earth reflects about 30% of the incoming solar radiation. In polar areas, solar radiation strikes earth at a low angle. The more acute the angle at which the sunlight strikes, the more atmosphere that sunlight must pass through.

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Q:

Organisms use bio-catalyst to break down complex substances into simpler substances. These bio-catalysts are called ______.

A) enzymes B) hormones
C) vitamins D) No option is correct
 
Answer & Explanation Answer: A) enzymes

Explanation:
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Q:

Which one of the following is the correct sequence of passage of light in a compound microscope?

A) Condenser -Objective lens -Eye -piece -Body tube B) Objective lens -Condenser -Body tube -Eye piece
C) Condenser -Objective lens -Body tube -Eyepiece D) Eyepiece -Objective lens -Body tube -Mirror
 
Answer & Explanation Answer: C) Condenser -Objective lens -Body tube -Eyepiece

Explanation:
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Filed Under: Physics
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Q:

The numerical value of a physical quantity is its _______________.

A) vector B) magnitude
C) direction D) property
 
Answer & Explanation Answer: B) magnitude

Explanation:
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Filed Under: Physics
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Q:

The study of universe is known as ________.

A) Cosmology B) Astrology
C) Seismology D) Limnology
 
Answer & Explanation Answer: A) Cosmology

Explanation:
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Q:

Rodentia Muridae is the scientific name of

A) Mouse B) Squirrel
C) Monkey D) Lizard
 
Answer & Explanation Answer: A) Mouse

Explanation:
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

 

The host asked, "Did you come by train?"

A) The host asked whether I have come by train. B) The host asked whether I had come by train.
C) The host asked in case I have come on train. D) The host asked in case I have come by train.
 
Answer & Explanation Answer: B) The host asked whether I had come by train.

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Q:

The International Day of Older Persons is observed on

A) 1st October B) 2nd October
C) 3rd October D) 4th October
 
Answer & Explanation Answer: A) 1st October

Explanation:
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