CBSE Class-8 Science: Questions 286 - 292 of 469

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Question number: 286

» Reproduction in Animals » Reproduction » Viviparous and Oviparous Animals

MCQ▾

Question

Animals which lay eggs are:

Choices

Choice (4) Response
a.

Viviparous animals

b.

Budding

c.

Oviparous animals

d. Question does not provide sufficient data or is vague

Question number: 287

» Force and Pressure » Exploring Forces » Forces Are Due to an Interaction

MCQ▾

Question

The concept of force gives us the quantitative description of the interaction between:

Choices

Choice (4) Response
a.

Two bodies

b.

Between a body and the environment

c. Both a. and b. are correct
d. Question does not provide sufficient data or is vague

Question number: 288

» Reproduction in Animals » Reproduction » Male Reproductive Organs

MCQ▾

Question

Each sperm has three distinct parts:

Choices

Choice (4) Response
a.

A middle piece

b.

A tail

c.

A head

d. All a. , b. and c. are correct

Question number: 289

» Reproduction in Animals » Reproduction » Test Tube Baby

MCQ▾

Question

What is in vitro fertilization?

Choices

Choice (4) Response
a.

Type of reproduction in which single parent is involved

b.

Test tube babies

c.

Fusion of a sperm and egg

d. None of the above

Question number: 290

» Reaching the Age of Adolescence » Adolescence and Puberty » Development of Sex Organs

MCQ▾

Question

Ovaries enlarge and eggs begin to mature at:

Choices

Choice (4) Response
a.

Adults in males

b.

Adolescence in girls

c.

Adolescence in males

d.

Adults in females

Question number: 291

» Conservation of Plants and Animals » Deforestation » Desertification

MCQ▾

Question

Desertification is the consequence of:

Choices

Choice (4) Response
a.

Deforestation

b.

Afforestation

c.

Reforestation

d. Question does not provide sufficient data or is vague

Question number: 292

» Sound » Amplitude, Time Period & Frequency of Vibration » Decibel

MCQ▾

Question

Unit of loudness is:

Choices

Choice (4) Response
a.

dB

b.

Hz

c. Question does not provide sufficient data or is vague
d. All of the above

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