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Q:

What happens when one S and one P orbital is hybridized?

A) We get three orbitals in a plane B) We get two orbitals at 180 degrees
C) We get two mutually perpendicular orbitals D) We get four orbitals directed tetrahedrally
 
Answer & Explanation Answer: B) We get two orbitals at 180 degrees

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Filed Under: Chemistry
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Q:

Why do the desert plants take up the carbon dioxide for photosynthesis at night?

A) To prevent water loss B) To enhance carbon absorption
C) To release excess oxygen D) No option is correct
 
Answer & Explanation Answer: A) To prevent water loss

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Filed Under: Biology
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Q:

The term 'Zero Based Budgeting' refers to __________.

A) A specified sum of money authorized by the Legislaturefor a specific period of time B) To ensure that every rupee spent is result oriented
C) A statutorily mandated form of reimbursement or up-front payment for state expenditures D) A cost item for which payment is made by one stateagency to another
 
Answer & Explanation Answer: B) To ensure that every rupee spent is result oriented

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Filed Under: Indian Economy
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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 a sentence is free from error,select 'No Error'.

Liquid water cannot exist on the surface of Mars as to low (1)/ atmospheric pressure, which is less than 1% of Earth's, (2)/ except at the lowest elevations for short periods. (3)/ No error (4).

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

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Filed Under: English
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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) Scemitars B) Scimitars
C) Scimetars D) Scemetars
 
Answer & Explanation Answer: B) Scimitars

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Q:

Heavy water is mostly used in which of the following?

A) In fire extinguisher B) In nuclear reactors
C) In washing cloth D) In both Nuclear reactors and Fire extinguisher
 
Answer & Explanation Answer: B) In nuclear reactors

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Filed Under: Physics
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Q:

The outermost layer of sun is called

A) Lithosphere B) Chromosphere
C) Photosphere D) Corona
 
Answer & Explanation Answer: B) Chromosphere

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Filed Under: General Science
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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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