NSO Level 1- Science Olympiad (SOF) Class 9: Questions 742 - 749 of 1123

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Question number: 742

» Mental Ability

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MCQ▾

Question

The volumes of a two cylinders are as , and their heights are as . Find the ratio of their diameters.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 743

» Biology » Health & Diseases

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MCQ▾

Question

Penicillin is effective against

Choices

Choice (4)Response

a.

Protozoa

b.

Virus

c.

Bacteria

d.

Fungi

Question number: 744

» Biology » Improvement in Food Resources

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MCQ▾

Question

Crossing between genetically dissimilar plants is known as

Choices

Choice (4)Response

a.

Hybridisation

b.

Hibernation

c.

Vaccination

d.

Fertilization

Question number: 745

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is an example of a gaseous solution?

Choices

Choice (4)Response

a.

Brass

b.

Air

c.

Salt solution

d.

Steel

Question number: 746

» Mental Ability

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MCQ▾

Question

In a Dam, 25 cm of rain falls. The volume of water that falls on 5 hectares of river is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 747

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Which of these are cold blooded animals?

Choices

Choice (4)Response

a.

Reptiles

b.

Aves

c.

Pisces

d.

Both a. and c. are correct

Question number: 748

» Mental Ability

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MCQ▾

Question

If and , then the value of is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 749

» Biology » Tissues

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MCQ▾

Question

Cells of the tissue have dense cytoplasm, thin cellulose walls and prominent vacuoles. Identify the tissue.

Choices

Choice (4)Response

a.

Meristem

b.

Collenchyma

c.

Sclerenchyma

d.

Parenchyma

Developed by: