Class 9 Science: CBSE Sample Question Paper With Solutions (2025) | Science Class 9 PDF Download

 Page 1


Time Allowed: 3 hours Maximum Marks: 80 
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected to
attempt only one of these questions.
3. Section A consists of 20 objective type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should in
the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should be
in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Section A
a) I b) III
c) IV d) II
1. Which one of the following is the correct set up to determine the melting point of ice? 
  
[1]
a) plasmolysis b) diffusion
c) osmosis d) endocytosis
2. Engulfing of food materials or foreign bodies by cells like Amoeba is called: [1]
a) Unit Scalar b) Scalar
c) Unit Vector d) Vector
3. Which of the following gives both direction and magnitude? [1]
a) Singhara b) Rohu
4. Which of the following is the fastest growing carp? [1]
Page 1 of 16
Page 2


Time Allowed: 3 hours Maximum Marks: 80 
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected to
attempt only one of these questions.
3. Section A consists of 20 objective type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should in
the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should be
in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Section A
a) I b) III
c) IV d) II
1. Which one of the following is the correct set up to determine the melting point of ice? 
  
[1]
a) plasmolysis b) diffusion
c) osmosis d) endocytosis
2. Engulfing of food materials or foreign bodies by cells like Amoeba is called: [1]
a) Unit Scalar b) Scalar
c) Unit Vector d) Vector
3. Which of the following gives both direction and magnitude? [1]
a) Singhara b) Rohu
4. Which of the following is the fastest growing carp? [1]
Page 1 of 16
c) Mrigal d) Catla
a) axon b) nerve endings
c) dendrites d) tendons
5. Nerve cell does not contain [1]
a) The parts labelled ‘a’, ‘b' and ‘c’, all possess
photosynthetic pigments such as
chlorophyll.
b) The part labelled ‘a’ is the site of dark
reaction.
c) The part labelled ‘c’ is called granum. d) The part labelled ‘b’ is called intergranal
thylakoid.
6. Which of the following is correct for the given figure? [1]
a) a = divide by 22.4 L, b - multiply by 22.4 L b) a = divide by 22.4 L, b = divide by 22.4 L
c) a = multiply by 22.4 L, b = multiply by 22.4
L
d) a = multiply by 22.4 L, b = divide by 22.4 L
7. What are a and b? [1]
a) plain and large b) curved and large
c) thick and thin d) long and straight
8. Smooth muscle consists of __________ filaments that are not arranged into sarcomeres giving it a non-striated
pattern.
[1]
9. The position of the water level, in a measuring cylinder, before and after immersing a solid in it, are as shown in
the figure given below. The volume of the given solid (in cm
3
) is : 
[1]
Page 2 of 16
Page 3


Time Allowed: 3 hours Maximum Marks: 80 
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected to
attempt only one of these questions.
3. Section A consists of 20 objective type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should in
the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should be
in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Section A
a) I b) III
c) IV d) II
1. Which one of the following is the correct set up to determine the melting point of ice? 
  
[1]
a) plasmolysis b) diffusion
c) osmosis d) endocytosis
2. Engulfing of food materials or foreign bodies by cells like Amoeba is called: [1]
a) Unit Scalar b) Scalar
c) Unit Vector d) Vector
3. Which of the following gives both direction and magnitude? [1]
a) Singhara b) Rohu
4. Which of the following is the fastest growing carp? [1]
Page 1 of 16
c) Mrigal d) Catla
a) axon b) nerve endings
c) dendrites d) tendons
5. Nerve cell does not contain [1]
a) The parts labelled ‘a’, ‘b' and ‘c’, all possess
photosynthetic pigments such as
chlorophyll.
b) The part labelled ‘a’ is the site of dark
reaction.
c) The part labelled ‘c’ is called granum. d) The part labelled ‘b’ is called intergranal
thylakoid.
6. Which of the following is correct for the given figure? [1]
a) a = divide by 22.4 L, b - multiply by 22.4 L b) a = divide by 22.4 L, b = divide by 22.4 L
c) a = multiply by 22.4 L, b = multiply by 22.4
L
d) a = multiply by 22.4 L, b = divide by 22.4 L
7. What are a and b? [1]
a) plain and large b) curved and large
c) thick and thin d) long and straight
8. Smooth muscle consists of __________ filaments that are not arranged into sarcomeres giving it a non-striated
pattern.
[1]
9. The position of the water level, in a measuring cylinder, before and after immersing a solid in it, are as shown in
the figure given below. The volume of the given solid (in cm
3
) is : 
[1]
Page 2 of 16
a) 2.2 b)
1.8
c) 4.2 d) 6.6
a) b)
c) d)
10. The speed of a train increases at a constant rate a from zero to v, and then remains constant for an interval, and
finally decreases to zero at a constant rate p. If L be the total distance travelled, then the total time taken is
[1]
+ ( + ) L v 1 v 1 a 1 ß + L v v 2 ( + ) 1 a 1 ß + ( + ) L v 2 v 1 a 1 ß + 2 v ( + ) L v 1 a 1 ß a) 26 b) 36
c) 60 d) 42
11. If K, L, M, N, shells of an atom are full. The total number of electrons in that atom are: [1]
a) outer side of cheek with a blade b) inner side of cheek with a toothpick
c) inner side of cheek with a blade d) outer side of cheek with a toothpick
12. To prepare a mount of human cheek cell, the sample is collected from: [1]
a) shrinkage of nucleoplasm b) shrinkage of cytoplasm in hypertonic
medium
c) break down (lysis) of plasma membrane in
hypotonic medium
d) shrinkage of nucleolus
13. Plasmolysis in a plant cell is defined as [1]
a) No energy change occurs b) All statements are correct
c) The change can be easily reversed d) No new substances are formed
14. A change is said to be a physical change when [1]
15. Select the correct statement(s).
i. A solution in which size of the solute particles is about 10
-10
 m, is called true solution.
ii. A solution which contains maximum possible amount of solute at any given temperature is called a saturated
solution.
iii. In suspension, the size of particles is of the order of 10
-7
 m or larger.
[1]
Page 3 of 16
Page 4


Time Allowed: 3 hours Maximum Marks: 80 
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected to
attempt only one of these questions.
3. Section A consists of 20 objective type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should in
the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should be
in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Section A
a) I b) III
c) IV d) II
1. Which one of the following is the correct set up to determine the melting point of ice? 
  
[1]
a) plasmolysis b) diffusion
c) osmosis d) endocytosis
2. Engulfing of food materials or foreign bodies by cells like Amoeba is called: [1]
a) Unit Scalar b) Scalar
c) Unit Vector d) Vector
3. Which of the following gives both direction and magnitude? [1]
a) Singhara b) Rohu
4. Which of the following is the fastest growing carp? [1]
Page 1 of 16
c) Mrigal d) Catla
a) axon b) nerve endings
c) dendrites d) tendons
5. Nerve cell does not contain [1]
a) The parts labelled ‘a’, ‘b' and ‘c’, all possess
photosynthetic pigments such as
chlorophyll.
b) The part labelled ‘a’ is the site of dark
reaction.
c) The part labelled ‘c’ is called granum. d) The part labelled ‘b’ is called intergranal
thylakoid.
6. Which of the following is correct for the given figure? [1]
a) a = divide by 22.4 L, b - multiply by 22.4 L b) a = divide by 22.4 L, b = divide by 22.4 L
c) a = multiply by 22.4 L, b = multiply by 22.4
L
d) a = multiply by 22.4 L, b = divide by 22.4 L
7. What are a and b? [1]
a) plain and large b) curved and large
c) thick and thin d) long and straight
8. Smooth muscle consists of __________ filaments that are not arranged into sarcomeres giving it a non-striated
pattern.
[1]
9. The position of the water level, in a measuring cylinder, before and after immersing a solid in it, are as shown in
the figure given below. The volume of the given solid (in cm
3
) is : 
[1]
Page 2 of 16
a) 2.2 b)
1.8
c) 4.2 d) 6.6
a) b)
c) d)
10. The speed of a train increases at a constant rate a from zero to v, and then remains constant for an interval, and
finally decreases to zero at a constant rate p. If L be the total distance travelled, then the total time taken is
[1]
+ ( + ) L v 1 v 1 a 1 ß + L v v 2 ( + ) 1 a 1 ß + ( + ) L v 2 v 1 a 1 ß + 2 v ( + ) L v 1 a 1 ß a) 26 b) 36
c) 60 d) 42
11. If K, L, M, N, shells of an atom are full. The total number of electrons in that atom are: [1]
a) outer side of cheek with a blade b) inner side of cheek with a toothpick
c) inner side of cheek with a blade d) outer side of cheek with a toothpick
12. To prepare a mount of human cheek cell, the sample is collected from: [1]
a) shrinkage of nucleoplasm b) shrinkage of cytoplasm in hypertonic
medium
c) break down (lysis) of plasma membrane in
hypotonic medium
d) shrinkage of nucleolus
13. Plasmolysis in a plant cell is defined as [1]
a) No energy change occurs b) All statements are correct
c) The change can be easily reversed d) No new substances are formed
14. A change is said to be a physical change when [1]
15. Select the correct statement(s).
i. A solution in which size of the solute particles is about 10
-10
 m, is called true solution.
ii. A solution which contains maximum possible amount of solute at any given temperature is called a saturated
solution.
iii. In suspension, the size of particles is of the order of 10
-7
 m or larger.
[1]
Page 3 of 16
Section B
a) I, II, III and IV b) I and II only
c) III and IV only d) I, III and IV only
iv. A colloid is a heterogeneous system.
a) Ammonification b) Nitrification
c) Eutrophication d) Phyto-enrichment.
16. The enrichment of water bodies with nutrients leading to excessive growth of phytoplankton is known as:- [1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
17. Assertion (A): A boy is enjoying a ride on a merry-go-round which is moving at a constant speed of 10 m/s.
The boy is in uniform accelerated motion. 
Reason (R): A body has a uniform acceleration if it travels in a straight line and its velocity first decreases then
increases by equal amounts in equal intervals of time.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
18. Assertion (A): Solids do not diffuse in air. 
Reason (R): The particles are closely packed in solids.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
19. Assertion (A): Vessel and sieve tubes both are meant for transport purposes. 
Reason (R): Vessels are lignified.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
20. Assertion (A): Atom is electrically neutral. 
Reason (R): A neutral particle, neutron is present in the nucleus of atom.
[1]
21. What is the work done by the force of gravity on a satellite moving round the earth? Justify your answer. [2]
OR
A boy of mass 40 kg runs up flight of 50 steps each 10 cm high in 5 second. Find 
i) the work done by the boy ii) the power developed. (g = 9.8 ms
-2
)
22. Why do substance undergo change in physical state? [2]
23. When vertically jerk is given to a string, transerve waves are formed. Give three features of these waves. [2]
24. For any substance, why does the temperature remain constant during the change of state? [2]
25. Why do the driver and the person seated in front seat need a seat belt? [2]
OR
Page 4 of 16
Page 5


Time Allowed: 3 hours Maximum Marks: 80 
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected to
attempt only one of these questions.
3. Section A consists of 20 objective type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should in
the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should be
in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
Section A
a) I b) III
c) IV d) II
1. Which one of the following is the correct set up to determine the melting point of ice? 
  
[1]
a) plasmolysis b) diffusion
c) osmosis d) endocytosis
2. Engulfing of food materials or foreign bodies by cells like Amoeba is called: [1]
a) Unit Scalar b) Scalar
c) Unit Vector d) Vector
3. Which of the following gives both direction and magnitude? [1]
a) Singhara b) Rohu
4. Which of the following is the fastest growing carp? [1]
Page 1 of 16
c) Mrigal d) Catla
a) axon b) nerve endings
c) dendrites d) tendons
5. Nerve cell does not contain [1]
a) The parts labelled ‘a’, ‘b' and ‘c’, all possess
photosynthetic pigments such as
chlorophyll.
b) The part labelled ‘a’ is the site of dark
reaction.
c) The part labelled ‘c’ is called granum. d) The part labelled ‘b’ is called intergranal
thylakoid.
6. Which of the following is correct for the given figure? [1]
a) a = divide by 22.4 L, b - multiply by 22.4 L b) a = divide by 22.4 L, b = divide by 22.4 L
c) a = multiply by 22.4 L, b = multiply by 22.4
L
d) a = multiply by 22.4 L, b = divide by 22.4 L
7. What are a and b? [1]
a) plain and large b) curved and large
c) thick and thin d) long and straight
8. Smooth muscle consists of __________ filaments that are not arranged into sarcomeres giving it a non-striated
pattern.
[1]
9. The position of the water level, in a measuring cylinder, before and after immersing a solid in it, are as shown in
the figure given below. The volume of the given solid (in cm
3
) is : 
[1]
Page 2 of 16
a) 2.2 b)
1.8
c) 4.2 d) 6.6
a) b)
c) d)
10. The speed of a train increases at a constant rate a from zero to v, and then remains constant for an interval, and
finally decreases to zero at a constant rate p. If L be the total distance travelled, then the total time taken is
[1]
+ ( + ) L v 1 v 1 a 1 ß + L v v 2 ( + ) 1 a 1 ß + ( + ) L v 2 v 1 a 1 ß + 2 v ( + ) L v 1 a 1 ß a) 26 b) 36
c) 60 d) 42
11. If K, L, M, N, shells of an atom are full. The total number of electrons in that atom are: [1]
a) outer side of cheek with a blade b) inner side of cheek with a toothpick
c) inner side of cheek with a blade d) outer side of cheek with a toothpick
12. To prepare a mount of human cheek cell, the sample is collected from: [1]
a) shrinkage of nucleoplasm b) shrinkage of cytoplasm in hypertonic
medium
c) break down (lysis) of plasma membrane in
hypotonic medium
d) shrinkage of nucleolus
13. Plasmolysis in a plant cell is defined as [1]
a) No energy change occurs b) All statements are correct
c) The change can be easily reversed d) No new substances are formed
14. A change is said to be a physical change when [1]
15. Select the correct statement(s).
i. A solution in which size of the solute particles is about 10
-10
 m, is called true solution.
ii. A solution which contains maximum possible amount of solute at any given temperature is called a saturated
solution.
iii. In suspension, the size of particles is of the order of 10
-7
 m or larger.
[1]
Page 3 of 16
Section B
a) I, II, III and IV b) I and II only
c) III and IV only d) I, III and IV only
iv. A colloid is a heterogeneous system.
a) Ammonification b) Nitrification
c) Eutrophication d) Phyto-enrichment.
16. The enrichment of water bodies with nutrients leading to excessive growth of phytoplankton is known as:- [1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
17. Assertion (A): A boy is enjoying a ride on a merry-go-round which is moving at a constant speed of 10 m/s.
The boy is in uniform accelerated motion. 
Reason (R): A body has a uniform acceleration if it travels in a straight line and its velocity first decreases then
increases by equal amounts in equal intervals of time.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
18. Assertion (A): Solids do not diffuse in air. 
Reason (R): The particles are closely packed in solids.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
19. Assertion (A): Vessel and sieve tubes both are meant for transport purposes. 
Reason (R): Vessels are lignified.
[1]
a) Both A and R are true and R is the correct
explanation of A.
b) Both A and R are true but R is not the
correct explanation of A.
c) A is true but R is false. d) A is false but R is true.
20. Assertion (A): Atom is electrically neutral. 
Reason (R): A neutral particle, neutron is present in the nucleus of atom.
[1]
21. What is the work done by the force of gravity on a satellite moving round the earth? Justify your answer. [2]
OR
A boy of mass 40 kg runs up flight of 50 steps each 10 cm high in 5 second. Find 
i) the work done by the boy ii) the power developed. (g = 9.8 ms
-2
)
22. Why do substance undergo change in physical state? [2]
23. When vertically jerk is given to a string, transerve waves are formed. Give three features of these waves. [2]
24. For any substance, why does the temperature remain constant during the change of state? [2]
25. Why do the driver and the person seated in front seat need a seat belt? [2]
OR
Page 4 of 16
Section C
A stone of 1 kg is thrown with a velocity of 20 ms
-1
 across the frozen surface of the lake and comes to rest after
travelling a distance of 50 m. What is the force of friction between the stone and the ice?
26. Helium atom has atomic mass of 4u and has two protons in its nucleus. How many neutrons does it have? [2]
27. Draw a curve showing density or pressure variations with respect to distance for a disturbance produced by
sound. Mark the position of compression and rarefaction on this curve. Also, define wavelengths and time period
using this curve.
[3]
28. Composition of the nuclei of two atomic species X and Y are given as under:
X Y
Protons 6 6
Neutrons 6 8
Give the mass numbers of X and Y. What is the relation between the two species?
[3]
29. Draw the graph for uniform retardation -
a. position - time graph
b. velocity - time graph
c. Acceleration- time graph
[3]
OR
A particle moves in a circle with O as centre and AO = OB = 5 cm, radius, as shown in the figure. It starts from A.
Calculate. 
a. the distance covered, and
b. the displacement, when it reaches B.
30. In each of the following, a force F is acting on an object of mass m. The direction of displacement is from West
to east shown by the longer arrow. Observe the figure carefully and state whether the work done by the force is
negative, positive or zero.
i. 
ii. 
[3]
Page 5 of 16