NSO Level 1- Science Olympiad (SOF) Class 9: Questions 438 - 442 of 1123

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Question number: 438

» Chemistry » Structure of the Atom

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MCQ▾

Question

The mass of an atom is concentrated in the

Choices

Choice (4) Response

a.

Orbits

b.

Nucleus

c.

Shells

d.

Question does not provide sufficient data or is vague

Question number: 439

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Which organelle plays a crucial role in detoxifying many poisons and drugs?

Choices

Choice (4) Response

a.

Vacuoles

b.

Lysosomes

c.

Smooth Endoplasmic Reticulum

d.

Golgi Apparatus

Question number: 440

» Chemistry » Matter

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MCQ▾

Question

Divya kept a plastic glass full of water in the freezer. The next day she was surprised to see that the ice formed has come above the rim. Which statement explains this phenomenon?

  1. The density of ice is less than that of water. So the volume increased

  2. Mass of the water and ice is same, so the volume increased.

  3. The volume increased due to change in mass.

  4. Density of ice and water are same, so the volume increased.

Choices

Choice (4) Response

a.

3 & 4

b.

1 & 2

c.

1 & 4

d.

2 & 3

Question number: 441

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Another name for ‘seed leaves’ is

Choices

Choice (4) Response

a.

Cryptogamae

b.

Embryos

c.

Spores

d.

Cotyledons

Question number: 442

» Physics » Motion

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MCQ▾

Question

A car crossed a bridge with an initial velocity of and accelerated the motion to while crossing the bridge. If the car took 3 minutes to cross the bridge, length of the bridge will be

Choices

Choice (4) Response

a.

b.

c.

d.

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