NSO Level 1- Science Olympiad (SOF) Class 9: Questions 329 - 333 of 1123

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Question number: 329

» Mental Ability

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MCQ▾

Question

The age of father 8 years ago was thrice the age of his son. 8 years hence, father’s age will be twice that of his son. The ratio of their present ages is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 330

» Biology » Tissues

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MCQ▾

Question

Muscles contain special proteins called ________that help in muscle movement

Choices

Choice (4) Response

a.

receptor proteins

b.

enzymes

c.

nucleo proteins

d.

contractile proteins

Question number: 331

» Biology » Tissues

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MCQ▾

Question

Which muscle act involuntarily?

(i) Straited muscle

(ii) Smooth muscles

(iii) Cardiac muscle

(iv) Skeletal muscles

Choices

Choice (4) Response

a.

(ii) and (iii)

b.

(i) and (ii)

c.

(iii) and (iv)

d.

(i) and (iv)

Question number: 332

» Chemistry » Atoms & Molecules

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MCQ▾

Question

What is the difference between and of hydrogen?

Choices

Choice (4) Response

a.

1u contains atom of hydrogen. But of hydrogen contains atoms

b.

1u contains atoms of hydrogen. But of hydrogen contains atoms

c.

1u of hydrogen contains atoms but of hydrogen contains atoms.

d.

1g contains atom of hydrogen. But of hydrogen contains atoms

Question number: 333

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is not a property of metals

Choices

Choice (4) Response

a.

They conduct heat and electricity

b.

They are lustrous

c.

They display a variety of colours

d.

They are malleable, ductile and sonorous

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