Q:

The place of origin of an earthquake is called

A) Epicentre	B) Seismal
C) Focus	D) Amphidromic Point

Answer & Explanation Answer: C) Focus

Explanation:

The_place_of_origin_of_an_earthquake_is_called1556255800.jpg image

The point or place of origin of an earthquake is called Focus.

And,

The point where the seismic waves reach the surface is called as Epicenter.

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212 60301

Q:

Which is not a green house gas in the following?

A) Ozone	B) Nitrous oxide
C) Water vapour	D) Hydrogen

Answer & Explanation Answer: D) Hydrogen

Explanation:

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Filed Under: Chemistry
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0 60056

Q:

Which of the following statements is/are correct?

1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves.

2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant.

3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant.

Select the correct answer using the code given below.

A) 1 only	B) 1 and 2 only
C) 2 and 3 only	D) 1, 2 and 3

Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All are correct. Gravitational waves don’t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world’s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.

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Filed Under: General Science
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0 59992

Q:

Which substance is produced when alcohol is added with petrol and used as a fuel?

A) Only oxygen	B) Only carbon-dioxide
C) Only water	D) Carbon-dioxide and water both

Answer & Explanation Answer: B) Only carbon-dioxide

Explanation:

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Filed Under: Chemistry
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3 59982

Q:

Which of the following is used as a catalyst in the hydrogenation of vegetable oil?

A) He	B) H2
C) Ni	D) Pb

Answer & Explanation Answer: C) Ni

Explanation:

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1 59946

Q:

The magnitude of the gravitational force will be equal to the _________.

A) product of mass and acceleration due to the gravitational force	B) ratio of mass and acceleration due to the gravitational force
C) ratio of acceleration due to the gravitational force and mass	D) reciprocal of product of mass and acceleration due to the gravitational force

Answer & Explanation Answer: A) product of mass and acceleration due to the gravitational force

Explanation:

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Filed Under: Physics
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4 59922

Q:

The APGAR scale measures the

the apgar scale measures the

A) heart rate	B) muscle tone
C) respiration	D) all the above

Answer & Explanation Answer: D) all the above

Explanation:

The Apgar score is a measure of a baby's condition after birth. Elements of the Apgar score include color, heart rate, reflexes, muscle tone, and respiration.

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Filed Under: Biology
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2 59736

Q:

Fill in the blank with the most appropriate option.

Plants that do not have a differentiated plant body belong to the group _____

A) Bryophyta	B) Phanerogams
C) Thallophyta	D) Pteridophyta

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