Class 8 Science: CBSE Sample Question Paper - 1 | Sample Papers For Class 8 PDF Download

 Page 1


SCIENCE 
 
 
    
 
General Instructions : 
 
1.  This question paper consists of 10 questions. Each question carries 1 mark. 
 
2. Put(./) against the correct option. 
 
 
Multiple Choice Questions Ill
 
, 
1.  The living content of the cell is called: 
 
(a)  Cytoplasm 
 
(c)  Nucleus 
 
(b)   Protoplasm 
 
(d)   Genes 
 
2.   During adolescence, several changes occur in the human body. Mark the change associated 
with sexual maturity in boys. 
(a)  Loss of milk teeth  (b)   Weight gain 
 
(c)  Growth of beard  (d)   Increase in Height 
 
3. A gas which is not a green house gas is : 
 
(a)  Methane  (b)   Nitrogen 
 
(c)  Carbon Dioxide  (d)   Sulphur Dioxide 
 
4. Which of the following planets has no satellite? 
 
(a)  Mars  (b)   Mercury 
 
(c)  Jupiter  (d)   Saturn 
 
5.  Which one is not the name of Saptarshi constellation? 
 
(a)  Ursa Major  (b)   Leo Major 
 
(c)  Big Dipper  (d)   Great Bear 
 
 
R/2 
(P.T.O.) 
Page 2


SCIENCE 
 
 
    
 
General Instructions : 
 
1.  This question paper consists of 10 questions. Each question carries 1 mark. 
 
2. Put(./) against the correct option. 
 
 
Multiple Choice Questions Ill
 
, 
1.  The living content of the cell is called: 
 
(a)  Cytoplasm 
 
(c)  Nucleus 
 
(b)   Protoplasm 
 
(d)   Genes 
 
2.   During adolescence, several changes occur in the human body. Mark the change associated 
with sexual maturity in boys. 
(a)  Loss of milk teeth  (b)   Weight gain 
 
(c)  Growth of beard  (d)   Increase in Height 
 
3. A gas which is not a green house gas is : 
 
(a)  Methane  (b)   Nitrogen 
 
(c)  Carbon Dioxide  (d)   Sulphur Dioxide 
 
4. Which of the following planets has no satellite? 
 
(a)  Mars  (b)   Mercury 
 
(c)  Jupiter  (d)   Saturn 
 
5.  Which one is not the name of Saptarshi constellation? 
 
(a)  Ursa Major  (b)   Leo Major 
 
(c)  Big Dipper  (d)   Great Bear 
 
 
R/2 
(P.T.O.) 
 
 
 
 
 
6.  Which of these exhibits external fertilization? 
(a)  Human beings 
(c)  Frogs 
 
7.  Which is the largest animal cell?' 
 
 
(b)   Dogs 
 
(d)   Monkeys 
Page 3


SCIENCE 
 
 
    
 
General Instructions : 
 
1.  This question paper consists of 10 questions. Each question carries 1 mark. 
 
2. Put(./) against the correct option. 
 
 
Multiple Choice Questions Ill
 
, 
1.  The living content of the cell is called: 
 
(a)  Cytoplasm 
 
(c)  Nucleus 
 
(b)   Protoplasm 
 
(d)   Genes 
 
2.   During adolescence, several changes occur in the human body. Mark the change associated 
with sexual maturity in boys. 
(a)  Loss of milk teeth  (b)   Weight gain 
 
(c)  Growth of beard  (d)   Increase in Height 
 
3. A gas which is not a green house gas is : 
 
(a)  Methane  (b)   Nitrogen 
 
(c)  Carbon Dioxide  (d)   Sulphur Dioxide 
 
4. Which of the following planets has no satellite? 
 
(a)  Mars  (b)   Mercury 
 
(c)  Jupiter  (d)   Saturn 
 
5.  Which one is not the name of Saptarshi constellation? 
 
(a)  Ursa Major  (b)   Leo Major 
 
(c)  Big Dipper  (d)   Great Bear 
 
 
R/2 
(P.T.O.) 
 
 
 
 
 
6.  Which of these exhibits external fertilization? 
(a)  Human beings 
(c)  Frogs 
 
7.  Which is the largest animal cell?' 
 
 
(b)   Dogs 
 
(d)   Monkeys 
 
 
(a)  Hen's egg  (b)   Ostrich's egg 
 
(c)  Snake's egg  (d)   Crocodile's egg 
 
8.  Asteroids are found between the orbits of 
 
(a)  Earth and Mars  (b)   Mars and Jupiter 
(c) .   
Earth and Mercury  (d)   Mercury and Venus 
 
9. Which of the following cannot be charged easily by friction? 
 
(a)  A plastic scale  (b)   A copper rod 
 
(c)  An inflated balloon  (d)   A woolen cloth 
 
10.   Petroleum and Natural gas are often found together in large deposits deep inside the earth 
crust. What is the correct order in which these are present in the earth? 
 
 
 
 
 
X  
y 
z 
 
(a) Water Crude oil Natural Gas 
(b) Water Natural Gas Crude oil 
(c) Crude oil Water Natural Gas 
(d) Natural Gas Water. Crude oil 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Page 4


SCIENCE 
 
 
    
 
General Instructions : 
 
1.  This question paper consists of 10 questions. Each question carries 1 mark. 
 
2. Put(./) against the correct option. 
 
 
Multiple Choice Questions Ill
 
, 
1.  The living content of the cell is called: 
 
(a)  Cytoplasm 
 
(c)  Nucleus 
 
(b)   Protoplasm 
 
(d)   Genes 
 
2.   During adolescence, several changes occur in the human body. Mark the change associated 
with sexual maturity in boys. 
(a)  Loss of milk teeth  (b)   Weight gain 
 
(c)  Growth of beard  (d)   Increase in Height 
 
3. A gas which is not a green house gas is : 
 
(a)  Methane  (b)   Nitrogen 
 
(c)  Carbon Dioxide  (d)   Sulphur Dioxide 
 
4. Which of the following planets has no satellite? 
 
(a)  Mars  (b)   Mercury 
 
(c)  Jupiter  (d)   Saturn 
 
5.  Which one is not the name of Saptarshi constellation? 
 
(a)  Ursa Major  (b)   Leo Major 
 
(c)  Big Dipper  (d)   Great Bear 
 
 
R/2 
(P.T.O.) 
 
 
 
 
 
6.  Which of these exhibits external fertilization? 
(a)  Human beings 
(c)  Frogs 
 
7.  Which is the largest animal cell?' 
 
 
(b)   Dogs 
 
(d)   Monkeys 
 
 
(a)  Hen's egg  (b)   Ostrich's egg 
 
(c)  Snake's egg  (d)   Crocodile's egg 
 
8.  Asteroids are found between the orbits of 
 
(a)  Earth and Mars  (b)   Mars and Jupiter 
(c) .   
Earth and Mercury  (d)   Mercury and Venus 
 
9. Which of the following cannot be charged easily by friction? 
 
(a)  A plastic scale  (b)   A copper rod 
 
(c)  An inflated balloon  (d)   A woolen cloth 
 
10.   Petroleum and Natural gas are often found together in large deposits deep inside the earth 
crust. What is the correct order in which these are present in the earth? 
 
 
 
 
 
X  
y 
z 
 
(a) Water Crude oil Natural Gas 
(b) Water Natural Gas Crude oil 
(c) Crude oil Water Natural Gas 
(d) Natural Gas Water. Crude oil 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SCIENCE  
 
    MAXIMUM MARKS :80 
 
General Instructions : 
 
 
1. The question paper consists of 34 questions. Marks for each question are indicated 
1 
 
 
2. 
against it and all questions are compulsory. 
 
Draw neat labeled diagrams, wherever required. 
 
3. Do questions in serial order. 
 
1. 
 
2. 
 
3. 
 
4.. 
 
5. 
 
6. 
 
 
7. 
..-...,    
8.
 
Write the full form of PCRA.                                                                                         (1)
 
-
 
Name two water-borne diseases.                                                                                           (1) 
 
Name two celestial objects other than planet which are members of solar system.             (1) 
Which instrument is used for recording seismic waves?                                                      (1) 
Differentiate between plant cell and animal cell on the basis of vacuoles.                          (1) 
The object A repels B but attracts C whereas C repels D. If D is positively charged, what 
kind of charge does B have?                                                                                                  (1) 
State the objective of Kyoto Protocol.                                                                                   (1) 
 
Why does a matchstick not catch fire on its own at room temperature, even though it is 
a combustible substance?                                                                                                          
(2) 
 
9.  Give an example for each of the following: 
(a)  A gaseous fuel 
(b)  A combustible substance 
 
(c)  A substance that undergoes spontaneous combustion 
 
(d)  A liquid fuel  (2) 
 
10.  Show the  process of binary fission in Amoeba withe help of a well-labeled  diagram 
ro 
 
 
R/5 [P.T.O.J 
Page 5


SCIENCE 
 
 
    
 
General Instructions : 
 
1.  This question paper consists of 10 questions. Each question carries 1 mark. 
 
2. Put(./) against the correct option. 
 
 
Multiple Choice Questions Ill
 
, 
1.  The living content of the cell is called: 
 
(a)  Cytoplasm 
 
(c)  Nucleus 
 
(b)   Protoplasm 
 
(d)   Genes 
 
2.   During adolescence, several changes occur in the human body. Mark the change associated 
with sexual maturity in boys. 
(a)  Loss of milk teeth  (b)   Weight gain 
 
(c)  Growth of beard  (d)   Increase in Height 
 
3. A gas which is not a green house gas is : 
 
(a)  Methane  (b)   Nitrogen 
 
(c)  Carbon Dioxide  (d)   Sulphur Dioxide 
 
4. Which of the following planets has no satellite? 
 
(a)  Mars  (b)   Mercury 
 
(c)  Jupiter  (d)   Saturn 
 
5.  Which one is not the name of Saptarshi constellation? 
 
(a)  Ursa Major  (b)   Leo Major 
 
(c)  Big Dipper  (d)   Great Bear 
 
 
R/2 
(P.T.O.) 
 
 
 
 
 
6.  Which of these exhibits external fertilization? 
(a)  Human beings 
(c)  Frogs 
 
7.  Which is the largest animal cell?' 
 
 
(b)   Dogs 
 
(d)   Monkeys 
 
 
(a)  Hen's egg  (b)   Ostrich's egg 
 
(c)  Snake's egg  (d)   Crocodile's egg 
 
8.  Asteroids are found between the orbits of 
 
(a)  Earth and Mars  (b)   Mars and Jupiter 
(c) .   
Earth and Mercury  (d)   Mercury and Venus 
 
9. Which of the following cannot be charged easily by friction? 
 
(a)  A plastic scale  (b)   A copper rod 
 
(c)  An inflated balloon  (d)   A woolen cloth 
 
10.   Petroleum and Natural gas are often found together in large deposits deep inside the earth 
crust. What is the correct order in which these are present in the earth? 
 
 
 
 
 
X  
y 
z 
 
(a) Water Crude oil Natural Gas 
(b) Water Natural Gas Crude oil 
(c) Crude oil Water Natural Gas 
(d) Natural Gas Water. Crude oil 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SCIENCE  
 
    MAXIMUM MARKS :80 
 
General Instructions : 
 
 
1. The question paper consists of 34 questions. Marks for each question are indicated 
1 
 
 
2. 
against it and all questions are compulsory. 
 
Draw neat labeled diagrams, wherever required. 
 
3. Do questions in serial order. 
 
1. 
 
2. 
 
3. 
 
4.. 
 
5. 
 
6. 
 
 
7. 
..-...,    
8.
 
Write the full form of PCRA.                                                                                         (1)
 
-
 
Name two water-borne diseases.                                                                                           (1) 
 
Name two celestial objects other than planet which are members of solar system.             (1) 
Which instrument is used for recording seismic waves?                                                      (1) 
Differentiate between plant cell and animal cell on the basis of vacuoles.                          (1) 
The object A repels B but attracts C whereas C repels D. If D is positively charged, what 
kind of charge does B have?                                                                                                  (1) 
State the objective of Kyoto Protocol.                                                                                   (1) 
 
Why does a matchstick not catch fire on its own at room temperature, even though it is 
a combustible substance?                                                                                                          
(2) 
 
9.  Give an example for each of the following: 
(a)  A gaseous fuel 
(b)  A combustible substance 
 
(c)  A substance that undergoes spontaneous combustion 
 
(d)  A liquid fuel  (2) 
 
10.  Show the  process of binary fission in Amoeba withe help of a well-labeled  diagram 
ro 
 
 
R/5 [P.T.O.J 
 
 
 
 
 
 
 
11.  Observe the diagram of cheek cells and answer  the following questions : (2) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(a)  Label the parts marked as A and B 
 
(b)  Name the stain used for staining these cells 
12.  Two plane mirrors are placed such that they meet at 90°. A ray of light is incident on one of 
them at 30°. Trace the path of the reflected ray form the second mirror. (2) 
 
 
 
13.  Give reasons : 
 
(a)  Earth appears blue green from the space 
 
(b)  Venus is called as a morning or an evening star 
 
14.  Explain how you can locate the pole star-using Ursa Major. 
 
15.  Suggest two measures to protect ourselves from earthquake. 
 
16.  What is coke? Where is it used? 
 
17.  Give reasons : 
 
(a)  LPG is better domestic fuel than wood. 
 
(2) 
 
 
 
 
(2) 
(2) 
(2)