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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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Filed Under: General Science
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Q:

The planet Mars is also known as the ____.

A) Morning star B) Evening star
C) Red planet D) Blue planet
 
Answer & Explanation Answer: C) Red planet

Explanation:
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Q:

Calculate the current flowing through a resistor of 10 ohm when a potential difference of 140 v is applied across it.

A) 14 amp B) 140 amp
C) 1400 amp D) 1.4 amp
 
Answer & Explanation Answer: A) 14 amp

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Filed Under: Physics
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Q:

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

 

A) 0.01 B) 2500
C) 0.02 D) 1250
 
Answer & Explanation Answer: A) 0.01

Explanation:
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Filed Under: Physics
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Q:

In accordance to the Construction, Protection of Life and Personal Liberty is granted under which Article?

A) Article 20 B) Article 21
C) Article 22 D) Article 23
 
Answer & Explanation Answer: B) Article 21

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Filed Under: Indian Politics
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Q:

After how much time the laws made by Parliament on the state subjects during a National Emergency become inoperative and cease to operate?

 

A) Three months B) Six months
C) Nine months D) Twelve months
 
Answer & Explanation Answer: B) Six months

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Filed Under: Indian Politics
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Q:

Javier Mascherano of Argentina announced his retirement. He belonged to which sport?

A) Hockey B) Tennis
C) Football D) Polo
 
Answer & Explanation Answer: C) Football

Explanation:
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Filed Under: Sports
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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 express the same sentence in Indirect/Direct speech.


"Won’t you help me to carry this suitcase?" said I to my wife.

A) I asked my wife that if she would not help me in carrying that suitcase. B) I asked my wife if she would not help me to carry that suitcase.
C) I asked my wife that whether she would not help me to carry this suitcase. D) I asked my wife that if she would be helping me to carry this suitcase.
 
Answer & Explanation Answer: B) I asked my wife if she would not help me to carry that suitcase.

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Filed Under: English
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