NSO Level 1- Science Olympiad (SOF) Class 9: Questions 587 - 590 of 1123

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Question number: 587

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Meera wants to find out the molecular mass of . She has done the following steps.

  1. She wrote the formula as: The molecular mass of the atomic mass of the atomic mass of the atomic mass of

  2. She substituted the values as:

Please guide her whether she has done correctly or not.

Choices

Choice (4) Response

a.

Step 1 is right

b.

Steps 1 and 2 are right

c.

Step 2 is wrong

d.

Steps 1 and 2 are wrong

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

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