NSO Level 1- Science Olympiad (SOF) Class 9: Questions 588 - 591 of 1123

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Question number: 588

» Biology » Tissues

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MCQ▾

Question

Which of the following statements is correct?

Choices

Choice (4)Response

a.

Cell growth in animals is less uniform as compared to plants.

b.

Animals have more dead tissues as compared to plants.

c.

There is demarcation of dividing and non-diving regions in animals.

d.

Some tissues in plants divide throughout the life.

Question number: 589

» Biology » Health & Diseases

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MCQ▾

Question

Microbes which enter the body through nose are likely to affect

Choices

Choice (4)Response

a.

Brain

b.

Liver

c.

Heart

d.

Lungs

Question number: 590

» Chemistry » Matter

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MCQ▾

Question

Which of the following statements are true?

  1. Temperature of a substance is the average kinetic energy of the constituent particles.
  2. The space between particles in a gas is greater than that of liquids.

  3. The solid particles do not have the freedom to move.

  4. The force of attraction between the particles is lesser in solids than in liquids.

Choices

Choice (4)Response

a.

1 & 2

b.

1 & 3

c.

2 & 3

d.

3 & 4

Question number: 591

» Chemistry » Matter

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MCQ▾

Question

Which of the following statements are true about plasma?

  1. It is the fourth state of matter.

  2. It exists in the ionised state.

  3. In this state, the electrons move freely around the nucleus.

  4. It exists in stars and nuclear fusion reactors.

Choices

Choice (4)Response

a.

3 & 4

b.

1 & 2

c.

2 & 4

d.

All a. , b. and c. are correct

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