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
Exam Prep: Bank Exams

0 48277

Q:

Which one of the following is the most characteristic property of an element?

A) Density	B) Boiling point
C) Mass number	D) Atomic number

Answer & Explanation Answer: D) Atomic number

Explanation:

Atomic number is the fundamental properties of an element. Every atom is identified by its unique atomic number. Atomic number is equal to the number of protons present in an atom of the element.

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 48130

Q:

The speed of light will be minimum while passing through

A) water	B) vaccum
C) air	D) glass

Answer & Explanation Answer: D) glass

Explanation:

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Filed Under: Physics

473 47731

Q:

Which of the following statements regarding soil is/are correct?

1.Alluvial soils are rich in nitrogen content.

2.Black soils are rich in iron and lime but deficient in nitrogen.

3.Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium.

Select the correct answer using the code given below.

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

Answer & Explanation Answer: C) 2 and 3 only

Explanation:

Alluvial Soils

The proportion of nitrogen is generally low, but potash, phosphoric acid and alkalis are adequate, while iron oxide and lime vary within a wide range.

Black Soils

Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorus, nitrogen and organic matter.

Laterite Soils

With rain, lime and silica are leached away, and soils rich in iron oxide and aluminium compound are left behind.

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Filed Under: Indian Geography
Exam Prep: Bank Exams

1 47667

Q:

A person with blood group AB

A) Can donate blood to persons with blood group A, B and O	B) Is called universal blood donor
C) Can receive blood from any group	D) Is neither a universal recipient nor a donor

Answer & Explanation Answer: C) Can receive blood from any group

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

3 47666

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

Answer & Explanation Answer: C) Thallophyta

Explanation:

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

3 47589

Q:

Tripping is associates with

A) Snooker	B) Volleyball
C) Football	D) Cricket

Answer & Explanation Answer: C) Football

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

7 47578

Q:

‘Build Back Better recovery plan’, is associated with the Head of which country?

A) India	B) Japan
C) New Zealand	D) United States

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