NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1993 - 1998 of 2028

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Question 1993

Question

MCQ▾

Which of the following type of nylon is known as “Perlon-L” ?

Choices

Choice (4)Response

a.

Nylon-6,6

b.

Nylon-6

c.

Nylon-5

d.

None of the above

Question 1994

Question

MCQ▾

Which of the following part of sheep is used to produce wool?

Choices

Choice (4)Response

a.

Fleece

b.

Skin

c.

Toes

d.

Question does not provide sufficient data or is vague

Question 1995

Question

MCQ▾

Select the materials that can be recycled?

(I) Old newspaper

(II) Aluminium tin cans

(III) Plastic

Choices

Choice (4)Response

a.

I, II and III only

b.

I and II only

c.

I and III only

d.

I only

Question 1996

Question

MCQ▾

Ozone hole refers to?

Choices

Choice (4)Response

a.

Hole in ozone layer

b.

Reduction in the thickness of ozone layer in troposphere

c.

Reduction in the thickness of ozone layer in stratosphere

d.

Increased concentration of ozone

Question 1997

Question

MCQ▾

Presence of lead is considered as?

Choices

Choice (4)Response

a.

Air Pollutant

b.

Soil pollutant

c.

Water pollutant

d.

All of the above

Question 1998

Question

MCQ▾

Which of the following methods can be used to reduce the pollution emitted by burning of fossil fuels?

(I) Using an incinerate

(II) Using renewable energy

(II) Fixing catalytic converters in vehicles

Choices

Choice (4)Response

a.

I, II and III only

b.

I only

c.

I & III only

d.

II & III only

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