NSO Level 1- Science Olympiad (SOF) Class 8: Questions 543 - 548 of 1076

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Question number: 543

» Reproduction in Animals

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MCQ▾

Question

The method of fertilisation seen in most of the aquatic animals like fish, star fish etc is called

Choices

Choice (4)Response

a.

Internal fertilisation

b.

False fertilisation

c.

External fertilisation

d.

None of the above

Question number: 544

» Reproduction in Animals

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MCQ▾

Question

Which of the following is not a part of female reproductive organ in humans?

Choices

Choice (4)Response

a.

Testes

b.

Uterus

c.

Fallopian tube

d.

Ovary

Question number: 545

» Reproduction in Animals

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MCQ▾

Question

Which of the following is not a single cell?

Choices

Choice (4)Response

a.

Zygote

b.

Sperm

c.

Embryo

d.

Ovum

Question number: 546

» Reproduction in Animals

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MCQ▾

Question

Fusion of male and female gametes inside the female body is called

Choices

Choice (4)Response

a.

External fertilisation

b.

False fertilisation

c.

Internal fertilisation

d.

None of the above

Question number: 547

» Combustion and Flame

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MCQ▾

Question

While cooking on Chulha, the outer side of the vessels become black. This never happens with an LPG stove. The reason is

Choices

Choice (4)Response

a.

LPG is considered as a clean fuel

b.

LPG undergo complete combustion.

c.

Due to the production of soot

d.

All a. , b. and c. are correct

Question number: 548

» Combustion and Flame

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MCQ▾

Question

Here are the characteristics of a fuel. Identify the fuel.

  1. It is in solid state

  2. It is black in colour

  3. It produces soot on burning

  4. It is obtained from mines

Choices

Choice (4)Response

a.

Coal

b.

Wood

c.

Charcoal

d.

Question does not provide sufficient data or is vague

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