NSTSE (National Science Talent Search Exam- Unified Council) Class 4: Questions 1251 - 1258 of 1791

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Question number: 1251

» General Science » Plants and Their Food

MCQ▾

Question

When iodine is added to a starch solution, the color is changed to:

Choices

Choice (4) Response

a.

Blue back

b.

Red

c.

Green

d.

Reddish brown

Question number: 1252

» General Science » Plants and Their Food

MCQ▾

Question

Veins:

Choices

Choice (4) Response

a.

Absorb carbon dioxide from the atmosphere

b.

Transport water, food and minerals in a leaf

c.

Release oxygen and carbon dioxide into the atmosphere

d.

Absorb water and minerals from the soil

Question number: 1253

» General Science » Plants and Their Food

MCQ▾

Question

Leaves exchange gases through their ________ into the atmosphere.

Choices

Choice (4) Response

a.

Seeds

b.

Lungs

c.

Stomata

d.

Air

Question number: 1254

» General Science » Plants and Their Food

MCQ▾

Question

Which of the following gas needed for photosynthesis?

Choices

Choice (4) Response

a.

Nitrogen

b.

Hydrogen

c.

Carbon dioxide

d.

Water vapor

Question number: 1255

» General Science » Plants and Their Food

MCQ▾

Question

Plants make their own food with the help of

Choices

Choice (4) Response

a.

Photosynthesis

b.

Digestion

c.

Respiration

d.

None of the above

Question number: 1256

» General Science » Plants and Their Food

MCQ▾

Question

During what time of a day does the process shown here takes place in plants?

Image shows the process of the plants

Image Shows the Process of the Plants

This image shows the leaf of the plant

Choices

Choice (4) Response

a.

12 a. m.

b.

4 p. m.

c.

9 p. m.

d.

All a. , b. and c. are correct

Question number: 1257

» General Science » Plants and Their Food

MCQ▾

Question

The stem of a plant prepares food for it. The colour of the stem will be:

Choices

Choice (4) Response

a.

Yellow

b.

Black

c.

Green

d.

Brown

Question number: 1258

» General Science » Plants and Their Food

MCQ▾

Question

Which of the following structures of plant exchange gases?

Choices

Choice (4) Response

a.

Flowers

b.

Buds

c.

Fruits

d.

Leaves

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