NSO Level 1- Science Olympiad (SOF) Class 8: Questions 1086 - 1092 of 1175

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Question 1086

Question

Matching-Pair▾

Find the pair which does not match:

Choices

Choice (4)Response

a.

Hematite

Fe2O3

b.

Magnetite

Fe3O4

c.

Iron pyrite

FeS2

d.

None of the above

Question 1087

Question

MCQ▾

One of the following is transmitted through air.

The Tuberculosis

Choices

Choice (4)Response

a.

Common cold

b.

Typhoid

c.

Tuberculosis

d.

Cholera

Question 1088

Question

MCQ▾

________ is the outermost hottest region in the flame that is invisible.

Choices

Choice (4)Response

a.

Zone of complete combustion

b.

Zone of particle combustion

c.

Zone of non-combustion

d.

Fuel

Question 1089

Question

MCQ▾

________ glows even when a weak electric current flow through it.

Choices

Choice (4)Response

a.

Fluorescent lamps

b.

LED

c.

CFL

d.

Halogen lamps

Question 1090

Question

MCQ▾

Vectors lying in the same plane are called ________ vector.

Vectors Lying in the Same Plane

Choices

Choice (4)Response

a.

Null vector

b.

Orthogonal unit vector

c.

Unit vector

d.

co-planar vector

Question 1091

Question

Matching-Pair▾

Find the pair which does not match:

Choices

Choice (4)Response

a.

Monoatomic molecule

1

b.

Diatomic molecule

2

c.

Triatomic molecule

3

d.

Polyatomic molecule

1

Question 1092

Question

MCQ▾

The bleeding in the human reproductive track which is called________

Choices

Choice (4)Response

a.

menopause

b.

pregnancy

c.

menstruation

d.

ovulation

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