Science-Class-7 NCERT (NCERT Based General Studies (GS)): Questions 84 - 89 of 322

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3450 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 650.00 or

Question number: 84

» Science » Class-7 NCERT » Fibre to Fabric (Silk)

MCQ▾

Question

Stages of filature operation are:

Choices

Choice (4) Response
a.

Filament, skeins

b.

Sorting of cocoons, reeling of filament, bailing

c.

Sorting of cocoons, softening the Sericin, reeling of filament bailing

d. All of the above

Question number: 85

» Science » Class-7 NCERT » Fibre to Fabric (Animal Fibres)

MCQ▾

Question

What is Shearing?

Choices

Choice (4) Response
a.

Process of harvesting the wool

b.

The clean wool is passed through rollers

c.

Interlocks yarns into loops

d.

Interlocks pieces of yarn at right angles to one another

Question number: 86

» Science » Class-7 NCERT » Fibre to Fabric (Animal Fibres)

MCQ▾

Question

Clean wool is passed through roller, which is turn, straighten the fibres and removes unwanted matter is called as:

Choices

Choice (4) Response
a.

Spinning

b.

Carding

c.

Dyeing

d. None of the above

Question number: 87

» Science » Class-7 NCERT » Acids, Bases and Salts (Neutralization in Everyday Life)

MCQ▾

Question

Application of neutralisation in daily lives which helps in digestion of food are:

Choices

Choice (4) Response
a.

Brushing teeth

b.

Acids in stomach

c. None of the above
d. Question does not provide sufficient data or is vague

Question number: 88

» Science » Class-7 NCERT » Nutrition in Animals (Mouth and Buccal Cavity)

MCQ▾

Question

Carelessness towards cleaning of teeth causes the acid to corrode the teeth and causes the:

Choices

Choice (4) Response
a.

Toothache

b.

Plaque

c.

Tooth decay

d. Question does not provide sufficient data or is vague

Question number: 89

» Science » Class-7 NCERT » Acids, Bases and Salts (Natural Indicators Around Us)

MCQ▾

Question

Indicator is made using a hibiscus flower is:

Choices

Choice (4) Response
a.

China rose indicator

b.

Hibiscus indicator

c.

Flower indicator

d. All of the above

Sign In