NSO Level 1- Science Olympiad (SOF) Class 8: Questions 655 - 662 of 1076

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Passage

Given below is a flow chart of the different stages of development of a baby. Answer questions below with the help of this flow chart.

Image of flow chart of stages of development of baby

Image of Flow Chart of Stages of Development of Baby

Image of flow chart of stages of development of baby

Question number: 655 (3 of 5 Based on Passage) Show Passage

» Reproduction in Animals

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MCQ▾

Question

The part labelled as Y in the flowchart is

Choices

Choice (4) Response

a.

Egg

b.

Progeny

c.

Embryo

d.

Foetus

Question number: 656 (4 of 5 Based on Passage) Show Passage

» Reproduction in Animals

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MCQ▾

Question

The difference between sperm, ovum and zygote is:

Choices

Choice (4) Response

a.

Ovum has two sets of chromosomes

b.

Zygote has two sets of chromosomes

c.

Sperm has two sets of chromosomes.

d.

All of the above

Question number: 657 (5 of 5 Based on Passage) Show Passage

» Reproduction in Animals

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MCQ▾

Question

Which of the following are single cells?

Choices

Choice (4) Response

a.

Ovum

b.

Sperm

c.

Zygote

d.

None of the above

Question number: 658

» Metals and Non-Metals

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MCQ▾

Question

The process of extracting metals from their ores and purifying for various uses is called

Choices

Choice (4) Response

a.

Malleability

b.

Metallurgy

c.

Metalloy

d.

None of the above

Question number: 659

» Reproduction in Animals

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MCQ▾

Question

An ovary produces ovum in the time interval of

Choices

Choice (4) Response

a.

Once in a year

b.

Every day

c.

Once in a month

d.

Once in two months

Question number: 660

» Metals and Non-Metals

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MCQ▾

Question

A metal used in galvanization of iron

Choices

Choice (4) Response

a.

Copper

b.

Zinc

c.

Silver

d.

Sodium

Question number: 661

» Reproduction in Animals

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MCQ▾

Question

The importance of reproduction is

1. Reproduction is essential for life to exist.

2. It is essential for the species to continue.

3. It helps to maintain ecological balance in the environment.

Choices

Choice (4) Response

a.

1 & 2

b.

1 & 3

c.

2 & 3

d.

1,2 & 3

Question number: 662

» Metals and Non-Metals

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MCQ▾

Question

Generally metals are good conductors of heat and electricity but this metal is a bad conductor of heat and electricity.

Choices

Choice (4) Response

a.

Lead

b.

Sodium

c.

Potassium

d.

All of the above

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