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:

________ means that the President of India can refer any matter that is of public importance or that which involves interpretation of Constitution to Supreme Court for advice.

A) Original Jurisdiction	B) Writ Jurisdiction
C) Appellate Jurisdiction	D) Advisory Jurisdiction

Answer & Explanation Answer: D) Advisory Jurisdiction

Explanation:

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Filed Under: Indian Politics
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Q:

Which type of electromagnetic radiation has the longest wavelength?

A) UV rays	B) Radio waves
C) X rays	D) Infrared waves

Answer & Explanation Answer: B) Radio waves

Explanation:

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Filed Under: Physics
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Q:

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

A) 39 nanoseconds	B) 43 attoseconds
C) 15 picoseconds	D) 57 microseconds

Answer & Explanation Answer: B) 43 attoseconds

Explanation:

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Filed Under: Physics
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Q:

Which of the following is a metabolic function of skin?

A) synthesis of a vitamin D precursor	B) cutaneous sensation
C) body temperature regulation	D) elimination of nitrogenous wastes

Answer & Explanation Answer: A) synthesis of a vitamin D precursor

Explanation:

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Filed Under: Biology
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Q:

The sigmoid colon is a part of

A) Small Intestine	B) Large Intestine
C) Pharynx	D) Rectum

Answer & Explanation Answer: B) Large Intestine

Explanation:

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Filed Under: Biology
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Q:

In the Modern Periodic Table, elements are arranged in

A) increasing atomic mass number	B) increasing atomic number
C) decreasing atomic mass number	D) decreasing atomic number

Answer & Explanation Answer: B) increasing atomic number

Explanation:

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Filed Under: Chemistry
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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.

As several studies shows over (1)/ the years, the annual data is useful in (2)/ reviewing trends of extreme events. (3)/ No error. (4)

A) 1	B) 2
C) 3	D) 4

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