CBSE Class-7 Science: Questions 117 - 124 of 322

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Question number: 117

» Nutrition in Animals » The Food Pipe & Stomach » Absorption in Small Intestine

MCQ▾

Question

The process of utilization of absorbed nutrients is called as:

Choices

Choice (4) Response

a.

Digestion

b.

Assimilation

c.

Absorption

d.

All of the above

Question number: 118

» Nutrition in Animals » Mouth and Buccal Cavity » Tongue

MCQ▾

Question

There are taste buds on tongue. These are help to taste:

Choices

Choice (4) Response

a.

Salt

AND

Sour

b.

Sweet

c.

Bitter

d.

All a. , b. and c. are correct

Question number: 119

» Fibre to Fabric » Fibre » Natural and Man-Made Fibres

MCQ▾

Question

Natural sources of fibres are:

Choices

Choice (4) Response

a.

Plants

b.

Animals

c.

Both a. and b. are correct

d.

None of the above

Question number: 120

» Acids, Bases and Salts » Acids and Bases » Acids

MCQ▾

Question

Acids, which are obtained from natural organic matters, are called as:

Choices

Choice (4) Response

a.

Organic acids

b.

Indicators

c.

Mineral acids

d.

None of the above

Question number: 121

» Fibre to Fabric » Animal Fibres » Wool

MCQ▾

Question

We obtained wool from:

Choices

Choice (4) Response

a.

Yak

AND

Sheep

b.

Angora goat

c.

Angora rabbit

d.

All a. , b. and c. are correct

Question number: 122

» Acids, Bases and Salts » Natural Indicators Around Us » Litmus-a Natural Dye

MCQ▾

Question

Litmus is:

Choices

Choice (4) Response

a.

Extracted from lichens

b.

Indicator

c.

A natural dye

d.

All a. , b. and c. are correct

Question number: 123

» Fibre to Fabric » Silk » Life History of Silk Moth

MCQ▾

Question

Stages of life cycle of silkworm are:

Choices

Choice (4) Response

a.

Egg, Larva, adult

b.

Egg, Pupa, Adult

c.

Egg, Larva, Pupa, Adult

d.

Egg, Larva, pupa

Question number: 124

» Acids, Bases and Salts » Neutralization in Everyday Life » Factory Wastes

MCQ▾

Question

The waste of factories must be treated before it allowed to flow into rivers why?

Choices

Choice (4) Response

a.

To neutralise the harmful effect of carbon dioxide

b.

To neutralise bases present in the waste

c.

To neutralise acids present in waste

d.

Question does not provide sufficient data or is vague

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