NSO Level 1- Science Olympiad (SOF) Class 9: Questions 893 - 898 of 1123

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Question number: 893

» Mental Ability

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MCQ▾

Question

In a certain code, EXPLANATION is written as PXEALNNOITA. How is UNDERSTAND written in that code?

Choices

Choice (4) Response

a.

REDNUDNATS

b.

DNURESDNAT

c.

DNUESRATDN

d.

NUEDRSDNAT

Question number: 894

» Biology » Diversity of Living Organisms

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MCQ▾

Question

In this plant phylum, there is no specialised tissue for conduction of water and other substances from one part of the plant body to another. Identify the phylum.

Choices

Choice (4) Response

a.

Bryophyta

b.

Pteridophyte

c.

Gymnosperm

d.

Thallophyta

Question number: 895

» Biology » Natural Resources

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MCQ▾

Question

During the burning of fossil fuels, the percentage of a gas is said to have doubled. Identify the gas.

Choices

Choice (4) Response

a.

Oxygen

b.

Carbon monoxide

c.

Nitrogen

d.

Carbon dioxide

Question number: 896

» Mental Ability

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MCQ▾

Question

The volume of a right circular cylinder whose height is and the circumference of its base is is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 897

» Chemistry » Matter

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MCQ▾

Question

What will be the state of water when the thermometer shows exactly 99 °C?

Choices

Choice (4) Response

a.

plasma

b.

solid

c.

gaseous

d.

liquid

Question number: 898

» Chemistry » The Nature of Matter

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MCQ▾

Question

Crystallisation is better than evaporation to purify solids from a solution because:

Choices

Choice (4) Response

a.

The impurities in the solution may contaminate the solid

b.

Some solids get charred on heating

c.

Some solids decompose on heating

d.

All a. , b. and c. are correct

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