CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science: Questions 218 - 225 of 322

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Question number: 218

» Transportation in Animals and Plants » Circulatory System » Blood

MCQ▾

Question

The medium of transportation in the human circulatory system is:

Choices

Choice (4) Response

a.

Diffusion

b.

Blood

c.

Translocation

d.

None of the above

Question number: 219

» Reproduction in Plants » Seed Dispersal » Method of Seed Dispersal

MCQ▾

Question

Seeds have wings attached to them are dispersed through:

Choices

Choice (4) Response

a.

Animals

b.

Explosion

c.

Wind

d.

Water

Question number: 220

» Respiration in Organisms » How Do We Breathe? » Mechanism of Breathing

MCQ▾

Question

In which part of lungs exchange of gases takes place:

Choices

Choice (4) Response

a.

Alveoli

b.

Bronchioles

c.

Chest cavity

d.

Bronchus

Question number: 221

» Winds, Storms and Cyclones » Air » Air Exerts Pressure

MCQ▾

Question

Some common examples which show that air exerts pressure are:

Choices

Choice (4) Response

a.

Drinking Straw

b.

The rubber sucker

c.

Fountain pen

d.

All a. , b. and c. are correct

Question number: 222

» Winds, Storms and Cyclones » Wind Currents » Uneven Heating of Land and Water

MCQ▾

Question

Unseen heating of land and water causes:

Choices

Choice (4) Response

a.

Land and sea breeze

b.

Monsoon winds & Land and sea breeze

c.

Monsoon winds

d.

None of the above

Question number: 223

» Reproduction in Plants » Sexual Reproduction » Fruits and Seeds Formation

MCQ▾

Question

Ripened ovule is the:

Choices

Choice (4) Response

a.

Seed

b.

Fruit

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 224

» Soil » Soil and Crops » Types of Soil and Its Impact on Crop Production

MCQ▾

Question

Which type of soil is good for growing wheat and pulses?

Choices

Choice (4) Response

a.

Sandy soil

b.

Clayey soil

c.

Loamy soil

d.

None of the above

Question number: 225

» Transportation in Animals and Plants » Circulatory System » Blood Vessels

MCQ▾

Question

Blood vessels which are placed very deep and they form network in the organs is called as:

Choices

Choice (4) Response

a.

Capillaries

b.

Arteries

c.

Veins

d.

None of the above

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