NSO Level 1- Science Olympiad (SOF) Class 8: Questions 938 - 944 of 1076

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Passage

Directions: Observe these pictures carefully and answer

Image shows The Seismometer

Image Shows the Seismometer

Image shows The Seismometer

Question number: 938 (1 of 4 Based on Passage) Show Passage

» Some Natural Phenomena

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MCQ▾

Question

The vibrating part of this arrangement is

Choices

Choice (4) Response

a.

Chart paper

b.

Rotating drum

c.

Pendulum bob

d.

Magnet

Question number: 939 (2 of 4 Based on Passage) Show Passage

» Some Natural Phenomena

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MCQ▾

Question

Name the arrangement shown in the figure

Choices

Choice (4) Response

a.

Earth quake graph

b.

Seismometer

c.

Seismic graph

d.

Question does not provide sufficient data or is vague

Question number: 940 (3 of 4 Based on Passage) Show Passage

» Some Natural Phenomena

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MCQ▾

Question

The point from where an earth quake originates is called

Choices

Choice (4) Response

a.

Focus

b.

Epicentre

c.

Seismic centre

d.

Crust

Question number: 941 (4 of 4 Based on Passage) Show Passage

» Some Natural Phenomena

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MCQ▾

Question

The point on the earth’s surface located directly above the focus is called

Choices

Choice (4) Response

a.

Crust

b.

Focus

c.

Seismic centre

d.

Epicentre

Question number: 942

» Chemical Effects of Electric Current

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MCQ▾

Question

The process used in extraction of metals from impure samples is called

Choices

Choice (4) Response

a.

Electroplating

b.

Electrification

c.

Electro refining

d.

Electrolysis

Question number: 943

» Chemical Effects of Electric Current

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MCQ▾

Question

Lena has made a tester using an iron rod, two wires and a bulb. If she wants to make a handle case, it is advisable that she may select

Choices

Choice (4) Response

a.

Rubber

b.

Plastic

c.

Steel

d.

Glass

Question number: 944

» Chemical Effects of Electric Current

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MCQ▾

Question

Iron cans, used for storing food are plated with tin. This is to

Choices

Choice (4) Response

a.

Prevent rusting

b.

Prevent the contact between food and iron

c.

Protect the food from spoiling

d.

All a. , b. and c. are correct

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