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

3 803

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

0 803

Q:

_________________ is a measure of the moisture in air.

A) Density	B) Viscosity
C) Impurity	D) Humidity

Answer & Explanation Answer: D) Humidity

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

2 803

Q:

A body in equilibrium _______.

A) can move with constant acceleration	B) is always at rest
C) can move with constant velocity	D) can move with variable acceleration

Answer & Explanation Answer: C) can move with constant velocity

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

2 803

Q:

When a ray of light travels from a denser medium to a rarer medium, it bends

A) towards the normal and speeds up	B) towards the normal and slows down
C) away from the normal and speeds up	D) away from the normal and slows down

Answer & Explanation Answer: C) away from the normal and speeds up

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

1 803

Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

There's nothing wrong with (having to) a different opinion.

A) have to	B) has to
C) having	D) no improvement

Answer & Explanation Answer: C) having

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The big stone monument was the only __________ the lost traveller remembered.

A) specimen	B) souvenir
C) piece	D) landmark

Answer & Explanation Answer: D) landmark

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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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'.

Photosynthesis is (1)/ possible (2)/ because of sun. (3)/ No error (4)

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

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