NSTSE (National Science Talent Search Exam- Unified Council) Class 4: Questions 1242 - 1246 of 1971

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Question number: 1242

» General Science » Plants and Their Food

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Question

Leaves are green due to the presence of a green pigment called chlorophyll. The main function of chlorophyll is:

Choices

Choice (4)Response

a.

To absorb carbon dioxide from the atmosphere.

b.

To give greenish color to the leaves

c.

To absorb water and minerals from the soil

d.

To perform photosynthesis in the presence of sunlight

Question number: 1243

» General Science » Plants and Their Food

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Question

Which of the following does not belong to the group formed by the others?

Choices

Choice (4)Response

a.

This image shows the vegetable – Choice A

This Image Shows the Vegetable – Choice A

b.

This image shows the vegetable – Choice B

This Image Shows the Vegetable – Choice B

c.

This image shows the vegetable – Choice C

This Image Shows the Vegetable – Choice C

d.

This image shows the vegetable – Choice D

This Image Shows the Vegetable – Choice D

Question number: 1244

» General Science » Plants and Their Food

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MCQ▾

Question

Which of the following is used to examine the cells of a leaf?

Choices

Choice (4)Response

a.

The instrument to examine the cells of a leaf – Choice A

The Instrument to Examine the Cells of a Leaf – Choice A

b.

The instrument to examine the cells of a leaf – Choice B

The Instrument to Examine the Cells of a Leaf – Choice B

c.

The instrument to examine the cells of a leaf – Choice C

The Instrument to Examine the Cells of a Leaf – Choice C

d.

The instrument to examine the cells of a leaf – Choice D

The Instrument to Examine the Cells of a Leaf – Choice D

Question number: 1245

» General Science » Plants and Their Food

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MCQ▾

Question

The main purpose of flowers is to provide:

Choices

Choice (4)Response

a.

Seeds

b.

Food

c.

Support

d.

Water

Question number: 1246

» General Science » Plants and Their Food

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Question

Ritul wants to test the presence of starch in a leaf. Given below are the instructions to conduct the experiment. Which of the following step is NOT necessary?

Choices

Choice (4)Response

a.

Heat the leaf on a hot flame

b.

Add a few drops of iodine solution to the bleached leave.

c.

Boil the leaf first in water and then in alcohol

d.

Wash the bleached leaf

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