CBSE (Central Board of Secondary Education) Class-7 Science: Questions 167 - 172 of 322

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Question 167

Question MCQ▾

Networks of tube that carry blood across the human body is called as:

Choices

Choice (4)Response

a.

Arteries

b.

Capillaries

c.

Veins

d.

Blood vessels

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Question 168

Question MCQ▾

Respiration in human beings involves:

Choices

Choice (4)Response

a.

Body gives out carbon dioxide in exchange of oxygen

b.

Intake of oxygen from the nostrils and sending it to the lungs through the bronchi and trachea

c.

Two steps external respiration and internal respiration

d.

Question does not provide sufficient data or is vague

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Question 169

Question MCQ▾

Respiratory organ of a cockroach includes:

Choices

Choice (4)Response

a.

Skin

b.

Lungs

c.

Air tubes or trachea

d.

None of the above

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Question 170

Question MCQ▾

Components of blood are:

Choices

Choice (4)Response

a.

Plasma and red blood cells

b.

Plasma and platelets

c.

Plasma and blood cells

d.

Plasma and white blood cells

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Question 171

Question MCQ▾

Soil, which absorbs water without runoff or pudding, is:

Choices

Choice (4)Response

a.

Clayey soil

b.

Sandy soil

c.

Loamy soil

d.

All of the above

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Question 172

Question MCQ▾

Types of asexual reproduction are:

Choices

Choice (4)Response

a.

Vegetative propagation

b.

Spore formation

c.

Budding, Fragmentation

d.

All a., b. and c. are correct

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