NSO Level 1- Science Olympiad (SOF) Class 9: Questions 796 - 800 of 1123

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Question number: 796

» Physics » Motion

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MCQ▾

Question

The difference between a vector and a scalar quantity is

Choices

Choice (4) Response

a.

A vector quantity has both magnitude and direction but a scalar quantity has only direction.

b.

A scalar quantity has both magnitude and direction but a vector quantity has only magnitude.

c.

A vector quantity has only direction, but a scalar quantity has both magnitude and direction.

d.

A vector quantity has both magnitude and direction but a scalar quantity has only magnitude.

Question number: 797

» Chemistry » The Nature of Matter

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MCQ▾

Question

The percentage of zinc in brass is

Choices

Choice (4) Response

a.

60%

b.

30%

c.

40%

d.

70%

Question number: 798

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

The radiant energy of sunlight is converted into chemical energy and is stored as

Choices

Choice (4) Response

a.

AMP

b.

APP

c.

ADD

d.

ATP

Question number: 799

» Chemistry » Atoms & Molecules

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MCQ▾

Question

The formula unit mass of a substance is

Choices

Choice (4) Response

a.

Sum of the atomic masses of all atoms in a formula unit of a compound

b.

The relative mass of a molecule expressed in amu

c.

Sum of the atomic masses of all atoms in a molecule of a compound

d.

All a. , b. and c. are correct

Question number: 800

» Mental Ability

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Appeared in Year: 2012

MCQ▾

Question

In is the mid-point of median AD such that BE produced meets AC at F. If , then

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

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