NSO Level 1- Science Olympiad (SOF) Class 10: Questions 619 - 624 of 986

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Question number: 619

» Magnetic Effects of Electric Current

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MCQ▾

Question

The magnitude of the induced current due to the relative motion of coil and a magnet does not depend on

Choices

Choice (4) Response

a.

Speed of the relative motion

b.

Resistivity of wire of coil

c.

Pole strength of the magnet

d.

Number of turns of coil

Question number: 620

» Our Environment and Its Management

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MCQ▾

Question

What is the name given for replenishment of forest?

Choices

Choice (4) Response

a.

Deforestation

b.

Silviculture

c.

Afforestation

d.

Sericulture

Question number: 621

» Our Environment and Its Management

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MCQ▾

Question

Which of the following are environment-friendly practices?

Choices

Choice (4) Response

a.

Carrying cloth-bags to put purchases in, while shopping

b.

Walking to school instead of getting your mother to drop you on her scooter

c.

Switching off unnecessary lights and fans

d.

All a. , b. and c. are correct

Question number: 622

» Our Environment and Its Management

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MCQ▾

Question

Organisms which synthesize carbohydrates from inorganic compounds using radiant energy are known as

Choices

Choice (4) Response

a.

Herbivores

b.

Decomposers

c.

Carnivores

d.

Producers

Question number: 623

» Acids, Bases and Salts

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MCQ▾

Question

Which one is the correct for Ammonia Solution, which colour on the pH paper/Adding universal indicator. The colour of the paper turns into

Choices

Choice (4) Response

a.

Turned Green

b.

Turned Red

c.

Turned Orange

d.

Turned Blue

Question number: 624

» Acids, Bases and Salts

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MCQ▾

Question

Read the paragraph and Answer the question.

Addition of carbon dioxide, water and Sodium Carbonate, it gives is used for the kitchen for making tasty crispy pakoras, mild edible acid such as tartaric acid etc.

What is ?

Choices

Choice (4) Response

a.

b.

c.

d.