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: