NSO Level 1- Science Olympiad (SOF) Class 7: Questions 423 - 428 of 597

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Question number: 423

» Respiration in Organisms

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MCQ▾

Question

Following are the list of organs arranged in random order. Arrange the given organs in the order they are used in respiratory system by selecting the correct option.

  1. Trachea

  2. Pharynx

  3. Lungs

  4. Nose

Choices

Choice (4)Response

a.

3,4, 2,1

b.

4,2, 1,3

c.

2,1, 4,3

d.

1,2, 3,4

Question number: 424

» Winds, Storms and Cyclones

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MCQ▾

Question

Which of the following is called the gaseous mixture in atmosphere?

Choices

Choice (4)Response

a.

Gas

b.

Air

c.

Wind

d.

Question does not provide sufficient data or is vague

Question number: 425

» Natural Resources and Their Conservation

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MCQ▾

Question

Which of the following term is used for the excessive planting of trees done to increase the forest cover?

Choices

Choice (4)Response

a.

Deforestation

b.

Agroforestry

c.

Afforestation

d.

Social forestry

Question number: 426

» Reproduction in Plants

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MCQ▾

Question

Which of the following is a method of vegetative propagation?

Choices

Choice (4)Response

a.

Grafting

b.

Budding

c.

Fragmentation

d.

None of the above

Question number: 427

» Respiration in Organisms

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MCQ▾

Question

Which of the following organism has branchial respiration?

Choices

Choice (4)Response

a.

Honey Bee

b.

Birds

c.

Horse

d.

Prawn

Question number: 428

» Transportation in Plants and Animals

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MCQ▾

Question

Ammonotelic organisms secrete waste in which of the following form of nitrogenous waste?

Choices

Choice (4)Response

a.

Urine

b.

Uric acid

c.

Ammonia

d.

All of the above

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