RRB Group D Mix Test 99

Result

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Score
-

Rank

Time Taken: -

Question 1/10
1 / -0

Which one among the following is not produced by sound waves in air ?

Correct

Wrong

Skipped
A
Reflection

Correct

Wrong

Skipped
B
Diffraction

Correct

Wrong

Skipped
C
Refraction

Correct

Wrong

Skipped
D
Polarization

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Solutions

Longitudinal waves can't be polarized and sound is a longitudinal waves.
Question 2/10
1 / -0

The gas which turns lime water milky is -

Correct

Wrong

Skipped
A
Sulphur dioxide

Correct

Wrong

Skipped
B
Carbon dioxide

Correct

Wrong

Skipped
C
Chlorine

Correct

Wrong

Skipped
D
Ammonia
Question 3/10
1 / -0

Who is the most powerful person globally according to recent Forbes list, 2018?

Correct

Wrong

Skipped
A
Narendra Modi

Correct

Wrong

Skipped
B
Xi Jinping

Correct

Wrong

Skipped
C
Vladimir Putin

Correct

Wrong

Skipped
D
Donald Trump
Question 4/10
1 / -0

The Best colours for a sun umbrella will be

Correct

Wrong

Skipped
A
Green on top and red on inside

Correct

Wrong

Skipped
B
Black on top and white on inside

Correct

Wrong

Skipped
C
White on top and Black on inside

Correct

Wrong

Skipped
D
Yellow on top and green on inside
Question 5/10
1 / -0

Asia’s 1st ‘Blue Flag’ Beaches will Be Developed in which of the following country?

Correct

Wrong

Skipped
A
India

Correct

Wrong

Skipped
B
Japan

Correct

Wrong

Skipped
C
Sri Lanka

Correct

Wrong

Skipped
D
China
Question 6/10
1 / -0

A ray of white light strikes the surface of an object. If all the colours are reflected, the surface would appear.

Correct

Wrong

Skipped
A
Green

Correct

Wrong

Skipped
B
Black

Correct

Wrong

Skipped
C
White

Correct

Wrong

Skipped
D
Red

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Solutions

When an object reflects all the colours of white light, it would appear white. When an object absorb all the colours of white light, it would appear black.
Question 7/10
1 / -0

World Environment Day is observed on which of the following date?

Correct

Wrong

Skipped
A
3 June

Correct

Wrong

Skipped
B
5 July

Correct

Wrong

Skipped
C
5 June

Correct

Wrong

Skipped
D
18 May
Question 8/10
1 / -0

The maximum number of electrons in an orbit is-

Correct

Wrong

Skipped
A
n

Correct

Wrong

Skipped
B
n²

Correct

Wrong

Skipped
C
2n

Correct

Wrong

Skipped
D
2n²
Question 9/10
1 / -0

Which of the following initiative has been launched by the Food Safety and Standards Authority of India (FSSAI) to ensure maximum absorption of Vitamin D in students through natural sunlight?

Correct

Wrong

Skipped
A
Project Sunlight

Correct

Wrong

Skipped
B
Project Dhoop

Correct

Wrong

Skipped
C
Project Vitamin

Correct

Wrong

Skipped
D
Project Vita-D
Question 10/10
1 / -0

Which one of the following gases is supporter of combustion ?

Correct

Wrong

Skipped
A
Carbon dioxide

Correct

Wrong

Skipped
B
Nitrogen

Correct

Wrong

Skipped
C
Oxygen

Correct

Wrong

Skipped
D
Hydrgen

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Solutions

Combustion is an oxidation process and this cannot occur without the presence of oxygen.

Question 1/10

Reflection

Diffraction

Refraction

Polarization

Question 2/10

Sulphur dioxide

Carbon dioxide

Chlorine

Ammonia

Question 3/10

Narendra Modi

Xi Jinping

Vladimir Putin

Donald Trump

Question 4/10

Green on top and red on inside

Black on top and white on inside

White on top and Black on inside

Yellow on top and green on inside

Question 5/10

India

Japan

Sri Lanka

China

Question 6/10

Green

Black

White

Red

Question 7/10

3 June

5 July

5 June

18 May

Question 8/10

n

n2

2n

2n2

Question 9/10

Project Sunlight

Project Dhoop

Project Vitamin

Project Vita-D

Question 10/10

Carbon dioxide

Nitrogen

Oxygen

Hydrgen

n²

2n²