Transportation in Animals and Plants (CBSE Class-7 Science): Questions 1 - 7 of 23

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Question number: 1

» Transportation in Animals and Plants » Circulatory System » Heart

MCQ▾

Question

Which chamber of heart receives carbon dioxide rich blood from various body parts?

Choices

Choice (4) Response

a.

Left auricle

b.

Right ventricle

c.

Right auricle

d.

All of the above

Question number: 2

» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans

MCQ▾

Question

Excretory organs in human are:

Choices

Choice (4) Response

a.

Sweat glands

b.

Kidneys

c.

Lungs

d.

All a. , b. and c. are correct

Question number: 3

» Transportation in Animals and Plants » Transport of Substances in Plants » Transpiration

MCQ▾

Question

Transpiration helps to:

Choices

Choice (4) Response

a.

Cool the plants

b.

Lose the water absorbed by the roots through stomata

c.

Create a suction pull that causes the ascent of sap to the shoot tip of the tallest trees

d.

All a. , b. and c. are correct

Question number: 4

» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans

MCQ▾

Question

Human beings excreted body waste in the form of:

Choices

Choice (4) Response

a.

Solids

b.

Liquids

c.

Gases

d.

All a. , b. and c. are correct

Question number: 5

» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans

MCQ▾

Question

The process of removal of all toxic and unwanted products from the body is called as:

Choices

Choice (4) Response

a.

Excretory system

b.

Excretion

c.

Excretory product

d.

All of the above

Question number: 6

» Transportation in Animals and Plants » Circulatory System » Heartbeat

MCQ▾

Question

Successive contractions and relaxations of heart produce ‘LUBB’ and ‘DUP’ sound constitute a:

Choices

Choice (4) Response

a.

Heart beat

b.

Double circulation

c.

Pulse rate

d.

Question does not provide sufficient data or is vague

Question number: 7

» Transportation in Animals and Plants » Circulatory System » Blood

MCQ▾

Question

Which type of blood cells are of the carrier of oxygen?

Choices

Choice (4) Response

a.

Red blood cells

b.

Platelets

c.

White blood cells

d.

All of the above

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