NSO Level 1- Science Olympiad (SOF) Class 7: Questions 541 - 547 of 593

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Question number: 541

» Transportation in Plants and Animals

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MCQ▾

Question

Which of the following carries the oxygenated blood from heart to body tissues?

Choices

Choice (4) Response

a.

Vena cava

b.

Pulmonary veins

c.

Pulmonary artery.

d.

Aorta

Question number: 542

» Weather, Climate and Adaptations of Animals to Climate

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MCQ▾

Question

The amount of humidity in air is measured to measure which of the following?

Choices

Choice (4) Response

a.

Chemicals

b.

Heat

c.

Moisture

d.

All of the above

Question number: 543

» Reproduction in Plants

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MCQ▾

Question

Which of the following participates in the pollination process?

Choices

Choice (4) Response

a.

Water

b.

Insects

c.

Wind

d.

All a. , b. and c. are correct

Question number: 544

» Respiration in Organisms

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Assertion-Reason▾

Question

Assertion (Ꭺ)

The respiration in plants occurs as exchange of gases through tiny pores on leaves.

Reason (Ꭱ)

The tiny pores involved in respiration of plants are called stomata.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 545

» Transportation in Plants and Animals

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MCQ▾

Question

Which of the following cells build the immunity by attacking the germs which entre the body?

Choices

Choice (4) Response

a.

RBCs

b.

Platelets

c.

WBCs

d.

Plasma cells.

Question number: 546

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is the unit of resistance?

Choices

Choice (4) Response

a.

Joule

b.

Ohm

c.

Volt

d.

Question number: 547

» Weather, Climate and Adaptations of Animals to Climate

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MCQ▾

Question

Which of the following region has only two seasons in their climatic condition?

Choices

Choice (4) Response

a.

Arctic region

b.

Temperate region

c.

Tropical region

d.

Question does not provide sufficient data or is vague

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