CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science: Questions 196 - 203 of 322

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Question number: 196

» Reproduction in Plants » Modes of Reproduction » Spore Formation

MCQ▾

Question

Plants reproduce by spore formation are:

Choices

Choice (4) Response

a.

Mosses

b.

Moulds

c.

Ferns

d.

All a. , b. and c. are correct

Question number: 197

» Reproduction in Plants » Sexual Reproduction » Fertilisation

MCQ▾

Question

The process of fusion of male and female gametes to form a zygote is called as:

Choices

Choice (4) Response

a.

Fragmentation

b.

Fertilization

c.

Syngamy

d.

Question does not provide sufficient data or is vague

Question number: 198

» Transportation in Animals and Plants » Transport of Substances in Plants » Transport of Water and Minerals

MCQ▾

Question

Which type of vessels help in the transport of water from roots to the leaf?

Choices

Choice (4) Response

a.

Xylem vessels

b.

Phloem vessels

c.

None of the above

d.

All of the above

Question number: 199

» Soil » Soil and Crops » Soil Erosion

MCQ▾

Question

Soil erosion takes place due to:

Choices

Choice (4) Response

a.

Floods

b.

Deforestation

c.

Overgrazing by cattle

d.

All of the above

Question number: 200

» Winds, Storms and Cyclones » Cyclones » Hurricanes and Typhoon

MCQ▾

Question

Common features of hurricanes and typhoons are:

Choices

Choice (4) Response

a.

Tornadoes

b.

Occurs in warm areas

c.

Leads to heavy winds, floods, storm surge, a lot of rain

d.

All a. , b. and c. are correct

Question number: 201

» Winds, Storms and Cyclones » Thunderstorms and Cyclones » Destruction Caused by Cyclones

MCQ▾

Question

Storm surge is defined as:

Choices

Choice (4) Response

a.

An abnormal rise of sea level

b.

Strong wind

c.

Convection currents

d.

None of the above

Question number: 202

» Transportation in Animals and Plants » Transport of Substances in Plants » Transport of Water and Minerals

MCQ▾

Question

Main solvent used by plant to transport mineral and nutrients is:

Choices

Choice (4) Response

a.

Blood

b.

Water

c.

Roots

d.

Root hair

Question number: 203

» Transportation in Animals and Plants » Excretion in Animals » Dialysis

MCQ▾

Question

In dialysis the patient blood is taken from the:

Choices

Choice (4) Response

a.

Radial artery

b.

Vein in the arm

c.

All of the above

d.

Question does not provide sufficient data or is vague

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