CBSE Class-8 Science: Questions 278 - 285 of 469

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Question number: 278

» Conservation of Plants and Animals » Conservation of Forest and Wildlife » Recycling of Paper

MCQ▾

Question

Recycle paper and paper products saves:

Choices

Choice (4) Response

a.

Energy

b.

Trees

c.

Water

d.

All a. , b. and c. are correct

Question number: 279

» Conservation of Plants and Animals » Conservation of Forest and Wildlife » Migration

MCQ▾

Question

Migration means:

Choices

Choice (4) Response

a.

Movement of birds

b.

Movement which may be either seasonal or as part of a single life cycle

c.

Movement of fishes

d.

Movement of animals

Question number: 280

» Reaching the Age of Adolescence » Reproductive Health » Say "NO" to Drugs

MCQ▾

Question

Say ‘No to drugs’ during adolescence because:

Choices

Choice (4) Response

a.

They ruin health and happiness

b.

Drugs are addictive

c.

They may cause AIDS

d.

All a. , b. and c. are correct

Question number: 281

» Force and Pressure » Non-Contact Forces » Gravitational Force

MCQ▾

Question

The force which binds the entire universe is called:

Choices

Choice (4) Response

a.

Earth’s gravity

b.

Friction

c.

Pressure

d.

Gravitational force

Question number: 282

» Reproduction in Animals » Asexual Reproduction » Binary Fission

MCQ▾

Question

Type of asexual reproduction in which an animal reproduces by dividing into two is called:

Choices

Choice (4) Response

a.

Sexual reproduction

b.

Binary fission

c.

Asexual reproduction

d.

Budding

Question number: 283

» Reproduction in Animals » Reproduction » Development of Embryo

MCQ▾

Question

Foetus is defined as:

Choices

Choice (4) Response

a.

Embryo

b.

Male gametes

c.

Stage of the embryo in which all the body parts can be distinguished easily

d.

Female gametes

Question number: 284

» Reaching the Age of Adolescence » Adolescence and Puberty » Reaching Mental, Intellectual & Emotional Maturity

MCQ▾

Question

During adolescence age the grownups have some changes in:

Choices

Choice (4) Response

a.

Emotional growth

b.

Mental growth

c.

Social growth

d.

All a. , b. and c. are correct

Question number: 285

» Force and Pressure » Exploring Forces » Force Can Change the State of Motion

MCQ▾

Question

Change in the state of a body relative to:

Choices

Choice (4) Response

a.

Previous motion or state

b.

Value of applied force

c.

A push or pull

d.

A force applied to move a body towards you

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