Questions

Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

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Filed Under: Physics
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Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere D) The distance of the stars from the earth changes with time
 
Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

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Q:

The unit of power used in industry is

A) Joule B) Watts
C) Horse power D) Kilowatts
 
Answer & Explanation Answer: C) Horse power

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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:

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

A) 6 B) 7
C) 5 D) 3
 
Answer & Explanation Answer: C) 5

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Q:

Debenture holders of a company are its ___________.

A) Shareholders B) Creditors
C) Debtors D) Directors
 
Answer & Explanation Answer: B) Creditors

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Q:

A growing country is one with ___________ there.

A) rising GNP at constant prices B) rising GNP at current prices
C) constant GNP at constant prices D) No option is correct
 
Answer & Explanation Answer: A) rising GNP at constant prices

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If asentence is free from error, select 'No Error'.

1. A Creole language is a

2. stable natural language develop from

3. a mixture of different languages

4. No error

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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