8th Class Science Sample Paper

Science Olympiad Model Test Paper-18 Total Questions - 40 [Download]

1)

Soil provides which one of the following to the crops?

A)

Water

B)

Air

C)

Mineral

D)

All of these

E)

None of these

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2)

Which one of the following is a metal?

A)

Carbon

B)

Oxygen

C)

Iron

D)

Chlorine

E)

None of these

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3)

Which one of the following fuels has the lowest calorific value?

A)

Coal

B)

LPG

C)

CNG

D)

Petrol

E)

None of these

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4)

Which one of the following is involved in the preparation of soil for cultivation?

A)

Ploughing

B)

Levelling

C)

Manuring

D)

All of these

E)

None of these

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5)

Which one of the following micro-organisms causes dengue?

A)

Bacteria

B)

Virus

C)

Fungi

D)

Algae

E)

None of these

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6)

Which one of the following is correct about the coal?

A)

Coal is a fossil fuel

B)

Coal is formed from the remains of plants

C)

Coal is used to generate electricity

D)

All of these

E)

None of these

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7)

Which one of the following is a combustible substance?

A)

Cement

B)

Glass

C)

Wood

D)

Water

E)

None of these

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8)

Identify the micro-organism shown in the figure below.

A)

Bacteria

B)

Virus

C)

Protozoa

D)

Fungi

E)

None of these

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9)

The force exerted by a magnet on another magnet is known as:

A)

Electrostatic force

B)

Gravitational force

C)

Magnetic force

D)

Frictional force

E)

None of these

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10)

Which one of the following statements is correct?

Statement 1: Sound can travel in water.

Statement 2: Sound can travel even in vacuum.

A)

Statement 1

B)

Statement 2

C)

Both statements are correct

D)

Both statements are incorrect

E)

None of these

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11)

Which one of the following is a natural fiber?

A)

Rayon

B)

Cotton

C)

Polyester

D)

Nylon

E)

None of these

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12)

Which one of the following is a fire-resistant plastic?

A)

Polythene

B)

Polyvinyl chloride

C)

Melamine

D)

Bakelite

E)

None of these

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13)

The cutting down of forests over a wide area is called:

A)

Plantation

B)

Afforestation

C)

Deforestation

D)

All of these

E)

None of these

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14)

The species which are facing the risk of extinction are called:

A)

Extinct species

B)

Protected species

C)

Private species

D)

Endangered species

E)

None of these

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15)

The male sex cell is also known as:

A)

Egg

B)

Sperm

C)

Ovum

D)

All of these

E)

None of these

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16)

Which one of the following is a part of a cell?

A)

Cell membrane

B)

Cytoplasm

C)

Nucleus

D)

All of these

E)

None of these

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17)

Which one of the following cell organelles is known as power house of the cell?

A)

Cell wall

B)

Chloroplasts

C)

Mitochondria

D)

Cell vacuoles

E)

None of these

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18)

The fusion of male gamete with female gamete is known as:

A)

Pollination

B)

Cross pollination

C)

Fertilization

D)

Self pollination

E)

None of these

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19)

The innermost zone of flame of a candle is:

A)

Yellow

B)

Blue

C)

Black

D)

White

E)

None of these

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20)

Bacteria is found in which one of the following places?

A)

Land

B)

Air

C)

Water

D)

All of these

E)

None of these

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21)

Menstruation stops in woman permanently around the age of:

A)

10-15 years

B)

25-30 years

C)

45-50 years

D)

65-70 years

E)

None of these

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22)

Binary fission is a type of:

A)

Asexual reproduction

B)

Sexual reproduction

C)

Parthenogenesis

D)

All of these

E)

None of these

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23)

Which one of the following is a contact force?

A)

Magnetic force

B)

Electrostatic force

C)

Frictional force

D)

Gravitational force

E)

None of these

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24)

If a force of 500 N is applied to an object of area \[10\,{{m}^{2}}\]. Calculate the pressure.

A)

\[10\,N/{{m}^{2}}\]

B)

\[20\,N/{{m}^{2}}\]

C)

\[40\,N/{{m}^{2}}\]

D)

\[50\,N/{{m}^{2}}\]

E)

None of these

View Answer
25)

Which one of the following statements is correct?

Statement 1: The sliding friction is greater than the static friction

Statement 2: The sliding friction is smaller than the static friction

A)

Statement 1

B)

Statement 2

C)

Both statements are correct

D)

Both statements are incorrect

E)

None of these

View Answer
26)

Which one of the following is the unit of loudness of sound?

A)

Hertz

B)

Joule

C)

Decibel

D)

Metre

E)

None of these

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27)

A liquid which can conduct electricity is called:

A)

Electrolyte

B)

Solution

C)

Solvent

D)

All of these

E)

None of these

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28)

Which one of the following is an insulator of electricity?

A)

Copper

B)

Iron

C)

Mercury

D)

Air

E)

None of these

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29)

Which one of the following is a negative charged particle?

A)

Electron

B)

Proton

C)

Neutron

D)

All of these

E)

None of these

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30)

Identify the constellation which has been shown in the given picture

A)

Ursa major

B)

Orion

C)

Cassiopeia

D)

Leo major

E)

None of these

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31)

The ray of light which falls on the surface of a mirror is called:

A)

Incident ray

B)

Reflected ray

C)

Refracted ray

D)

Both [b] and [c]

E)

None of these

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32)

Look at the given figure. If measure of angle of incidence is\[30{}^\circ \], find the measure of angle of reflection.

A)

\[15{}^\circ \]

B)

\[30{}^\circ \]

C)

\[45{}^\circ \]

D)

\[60{}^\circ \]

E)

None of these

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33)

Which one of the following is correct about stars?

A)

Stars are extremely hot and produce their own light

B)

Stars appears twinkling in the night sky

C)

Sun is the nearest star to the Earth

D)

All of these

E)

None of these

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34)

Which one of the following is a major pollutants and causes air pollution?

A)

Sulphur dioxide

B)

Nitrogen oxide

C)

Carbon monoxide

D)

All of these

E)

None of these

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35)

Identify the instrument which has been shown in the following picture?

A)

Seismograph

B)

Wind vane

C)

Barometer

D)

Anemometer

E)

None of these

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36)

Consider the following two statements:

Statement 1: Blood and bone are the different types of connective tissue.

Statement 2: Blood and bone are the different types of epithelial tissue.

A)

Statement 1

B)

Statement 2

C)

Both are correct

D)

Both are incorrect

E)

None of these

View Answer
37)

Name the constellation which help us in locating the position of pole star.

A)

Ursa major

B)

Orion

C)

Leo major

D)

Andromeda

E)

None of these

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38)

Which of the following is a kharif crop?

A)

Millet

B)

Wheat

C)

Gram

D)

Peas

E)

None of these

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39)

The cell involved in sexual reproduction are called:

A)

Zygote

B)

Gametes

C)

Foetus

D)

Embryo

E)

None of these

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40)

Which of the following planets takes about 165 years to complete one revolution around the sun?

A)

Neptune

B)

Uranus

C)

Jupiter

D)

Saturn

E)

None of these

View Answer

8th Class Science Sample Paper

done Science Olympiad Model Test Paper-18 Total Questions - 40 [Download]

Science Olympiad Model Test Paper-18 Total Questions - 40 [Download]