NSO Level 1- Science Olympiad (SOF) Class 7: Questions 283 - 288 of 593

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Question number: 283

» Nutrition in Plants and Animals

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MCQ▾

Question

Light is absorbed by which of the following pigments for photosynthesis?

Choices

Choice (4) Response

a.

Anthocynin

b.

Pheophytin

c.

Chlorophyll

d.

Question does not provide sufficient data or is vague

Question number: 284

» Acids, Bases and Salts

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MCQ▾

Question

Why antacids are prescribed by doctors for problems related to hyperacidity?

Choices

Choice (4) Response

a.

Because it contains weak acid

b.

Because it contains base

c.

Because it contains strong acid

d.

None of the above

Question number: 285

» Physical and Chemical Changes

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MCQ▾

Question

Chemical reaction which takes in the energy is called as

Figure shows the energy

Figure Shows the Energy

Figure shows the energy

Choices

Choice (4) Response

a.

Displacement reaction

b.

Decomposition reaction

c.

Exothermic reaction

d.

Endothermic reaction

Question number: 286

» Acids, Bases and Salts

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MCQ▾

Question

Which of the following is an example of Universal Indicator?

Figure shows the Universal Indicator

Figure Shows the Universal Indicator

Figure shows the Universal Indicator

Choices

Choice (4) Response

a.

Methyl Red

b.

Vanilla

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 287

» Nutrition in Plants and Animals

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MCQ▾

Question

Which of the following plays an important role in photosynthesis?

Choices

Choice (4) Response

a.

Chloroplast

b.

Stomata

c.

Both a. and b. are correct

d.

None of the above

Question number: 288

» Acids, Bases and Salts

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MCQ▾

Question

What would be the color change in a sugar solution when China rose indicators is added to it?

Choices

Choice (4) Response

a.

Magenta

b.

Colorless

c.

Red

d.

Green

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