NSO Level 1- Science Olympiad (SOF) Class 10: Questions 212 - 215 of 986

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Question number: 212

» Human Eye and Colourful World

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MCQ▾

Question

Read the given statements and mark the correct option

Statement 1: The angle between incident ray and emergent ray is known as Angle of deviation (d)

Statement 2: The angle of incidence for which the angle of refraction is is known as critical angle

Choices

Choice (4) Response

a.

Only statement 1 is correct

b.

Statement 1 and 2 is correct

c.

Only statement 2 is correct

d.

Statement 1 and 2 is incorrect

Question number: 213

» Electricity

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MCQ▾

Question

The given symbol is used for representing ________ in a circuit.

Image of the symbol

Image of the Symbol

Image of the symbol

Choices

Choice (4) Response

a.

A wire joint

b.

Electrical bulb

c.

Variable resistance

d.

Wire crossing without joining

Question number: 214

» Electricity

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MCQ▾

Question

The advantages of connecting electrical devices in parallel with the battery instead of connecting them series is

Choices

Choice (4) Response

a.

Potential difference across each appliance is equal to the supplied voltage

b.

No division of voltage among the appliance when connected in parallel

c.

Total effective resistance of the circuit can be reduced by connecting electrical appliance in parallel

d.

All a. , b. and c. are correct

Question number: 215

» Reproduction in Organisms

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MCQ▾

Question

Choose correct statements

Statement 1: Monoecious flower undergo self and cross-pollination

Statement 2: Dioecious flower undergo cross pollination

Choices

Choice (4) Response

a.

Only Statement 1 is correct

b.

Statements 1 and 2 are correct

c.

Statements 1 and 2 are incorrect

d.

Only Statement 2 is correct