NSO Level 1- Science Olympiad (SOF) Class 8: Questions 570 - 576 of 1076

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Question number: 570

» Metals and Non-Metals

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MCQ▾

Question

Nowadays galvanised sheets are used to make roofs, food cans etc. instead of tin sheets. The reason is

Choices

Choice (4) Response

a.

Galvanized sheets are lustrous

b.

They can prevent rusting

c.

None of the above

d.

All of the above

Question number: 571

» Combustion and Flame

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MCQ▾

Question

Substances which burn in air producing heat are called

Choices

Choice (4) Response

a.

Non-combustible substances

b.

Insulators

c.

Conductors

d.

Combustible substances

Question number: 572

» Combustion and Flame

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MCQ▾

Question

A material suddenly bursts into flames without the application of any apparent cause. This type of combustion is called

Choices

Choice (4) Response

a.

Explosion

b.

Natural combustion

c.

Spontaneous combustion

d.

Rapid combustion

Question number: 573

» Reproduction in Animals

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MCQ▾

Question

The production of the exact copy of a cell is called

Choices

Choice (4) Response

a.

Binary fission

b.

Budding

c.

Cloning

d.

None of the above

Question number: 574

» Reproduction in Animals

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MCQ▾

Question

Name of the first cloned mammal is

Choices

Choice (4) Response

a.

Mercy

b.

Dolly

c.

Rosslyn

d.

Mar

Question number: 575

» Reproduction in Animals

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MCQ▾

Question

Here are some statements about sexual reproduction. Pick out the incorrect statements.

Choices

Choice (4) Response

a.

Amoeba, Hydra and star fish are examples of this type of reproduction.

b.

Gametes are formed in each parent.

c.

Two parents are involved in this process.

d.

Fertilisation takes place.

Question number: 576

» Reproduction in Animals

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MCQ▾

Question

Fertilisation in frogs takes place outside the female body. This type of fertilisation is called

Choices

Choice (4) Response

a.

Internal fertilisation

b.

False fertilisation

c.

External fertilisation

d.

None of the above

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