Q:

In the gamma decay of a nucleus

A) the mass number of the nucleus changes whereas its atomic number does not change	B) the mass number of the nucleus does not change whereas its atomic number changes
C) both the mass number and the atomic number of the nucleus change	D) neither the mass number nor the atomic number of the nucleus changes

Answer & Explanation Answer: D) neither the mass number nor the atomic number of the nucleus changes

Explanation:

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

An Odometer is an instrument used to measure ____ in automobiles.

A) direction	B) distance
C) odour	D) speed

Answer & Explanation Answer: B) distance

Explanation:

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Q:

Name the device used to connect computers for communication via telephone lines..

A) HUB	B) Switch
C) Repeater	D) MODEM

Answer & Explanation Answer: D) MODEM

Explanation:

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Filed Under: Computer
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Q:

What causes the mottling of the dental enamel ?

A) High levels of chlorine in water	B) High levels of nitrate in the water
C) High levels of fluorides in the water	D) High levels of calcium in the water

Answer & Explanation Answer: C) High levels of fluorides in the water

Explanation:

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Filed Under: General Science

3 810

Q:

First man to go into space was

A) Roald Amundsen	B) Reynalt Mayor
C) Robert Peary	D) Major Yuri Gagarin

Answer & Explanation Answer: D) Major Yuri Gagarin

Explanation:

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Q:

Ocimum tenuiflorum is the scientific name of ___________.

A) Neem	B) Mango
C) Babul	D) Tulsi

Answer & Explanation Answer: D) Tulsi

Explanation:

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Q:

Trypsin is present in which of the following?

A) Bile juice	B) Gastric juice
C) Saliva	D) Pancreatic juice

Answer & Explanation Answer: D) Pancreatic juice

Explanation:

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Q:

In which session of the Congress was the slogan of the Simon Commission's boycott?

A) Calcutta Convention (1928)	B) Madras Session (1927)
C) Surat Session (1907)	D) Nagpur session (1920)

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