NSO Level 1- Science Olympiad (SOF) Class 6: Questions 191 - 195 of 201

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Question number: 191

» Air and Water

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MCQ▾

Question

Which year is was observed as the International year of fresh water?

Choices

Choice (4)Response

a.

2008

b.

2005

c.

2003

d.

2006

Question number: 192

» Air and Water

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MCQ▾

Question

Which of these devices is used to measure air pressure?

Figure shows to measure air pressure

Figure Shows to Measure Air Pressure

Choices

Choice (4)Response

a.

Seismometer

b.

Thermometer

c.

Barometer

d.

Tonometer

Passage

Diagram shows the gases in the atmosphere.

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Created with Highcharts 6.0. 3Gases in the atmosphereInactive gases (1%) Inactive gases (1%) Nitrogen (78%) Nitrogen (78%) Oxygen (21%) Oxygen (21%) Nitrogen (78%) Gases in the atmosphere: 78

Question number: 193 (1 of 2 Based on Passage) Show Passage

» Air and Water

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MCQ▾

Question

Based on the above figure, which of these is the most accurate description of air?

Choices

Choice (4)Response

a.

One-half part is nitrogen and one-half oxygen and other gases

b.

One-fifth part is oxygen and four-fifths contains nitrogen and other gases.

c.

Three-quarters part is oxygen and one-third nitrogen and other gases

d.

Two-thirds part is nitrogen, one-third oxygen and one-tenth other gases

Question number: 194 (2 of 2 Based on Passage) Show Passage

» Air and Water

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MCQ▾

Question

What is the most abundant noble gas in the atmosphere?

Choices

Choice (4)Response

a.

Argon

b.

Neon

c.

Xenon

d.

Nitrogen

Question number: 195

» Air and Water

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MCQ▾

Question

Which of the following statement is incorrect?

Choices

Choice (4)Response

a.

Acid rain which can cause damage to buildings occurs due to air pollution.

b.

Ozone layer which prevents harmful UV radiations reaching the Earth’s surface is present in stratosphere.

c.

Mesosphere is the lower most layer of atmosphere, extending upto 16 km from the Earth’s surface.

d.

Air contains water vapours, dust and smoke

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