NSO Level 1- Science Olympiad (SOF) Class 7: Questions 549 - 554 of 597

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Question number: 549

» Natural Resources and Their Conservation

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MCQ▾

Question

Which of the following measures are to be taken care of in order to conserve the non-renewable resources?

Choices

Choice (4)Response

a.

Reduced consumption

b.

Prohibiting wastages

c.

Use of substitutes

d.

All a. , b. and c. are correct

Question number: 550

» Natural Resources and Their Conservation

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MCQ▾

Question

O2, CO2 and N2 are life supporting gases. These gases are chiefly concentrated in which of the following layers?

Choices

Choice (4)Response

a.

Homosphere

b.

Troposphere

c.

Stratosphere

d.

Exosphere

Question number: 551

» Reproduction in Plants

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MCQ▾

Question

Which of the following is the term used for transfer of pollen from anthers of a plant to stigma of another plant?

Choices

Choice (4)Response

a.

Sporogenesis

b.

Ovulation

c.

Pollination

d.

Fertilization

Question number: 552

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is defined as the ratio of voltage applied to the electric current which flows through it?

Choices

Choice (4)Response

a.

Kinetic force

b.

Resistance

c.

Coulomb

d.

Conductance

Question number: 553

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is the electric potential difference between two points?

Choices

Choice (4)Response

a.

Voltage

b.

Electric charge

c.

Resistance

d.

None of the above

Question number: 554

» Natural Resources and Their Conservation

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MCQ▾

Question

Which of the following is not a factor of soil formation?

Choices

Choice (4)Response

a.

Time

b.

Organic matter

c.

Soil texture

d.

All of the above

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