NSO Level 1- Science Olympiad (SOF) Class 9: Questions 556 - 561 of 1123

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Question number: 556

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Which of the following statements best define bio-diversity?

Choices

Choice (4) Response

a.

It refers to a large naturally occurring community of flora and fauna occupying a major habitat.

b.

It refers to organisms living in an area that are dependent on each other for food.

c.

It refers to the variety of life forms found in a particular habitat.

d.

It refers to an ecosystem with plants and animals of unusual scientific and natural interest.

Question number: 557

» Chemistry » Atoms & Molecules

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Question

According to the law of conservation of mass, the ratio of hydrogen and oxygen in 9g of water is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 558

» Physics » Motion

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Question

Which of the following is not an equation of motion?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 559

» Chemistry » Structure of the Atom

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Question

Which of the statements is true about canal rays?

Choices

Choice (4) Response

a.

These rays were discovered by Goldstein in 1886.

b.

These rays are positively charged radiations.

c.

The positively charged particles in canal rays are called protons.

d.

All a. , b. and c. are correct

Question number: 560

» Biology » Fundamentals Unit of Life

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Question

Centrioles are associated with

Choices

Choice (4) Response

a.

Respiration

b.

Reproduction

c.

Spindle formation

d.

DNA Synthesis

Question number: 561

» Chemistry » Atoms & Molecules

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MCQ▾

Question

An element Q is divalent and element P is tetravalent. The compound formed by these two elements will be

Choices

Choice (4) Response

a.

b.

c.

d.

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