Class 9 Half Yearly Question Paper 2025-26 Science

CBSE CLASS 9
Half Yearly Question Paper
Session 2025-26

SCIENCE

Exam CBSE Class 9
Subject Science
Session 2025-26
Document Type Half Yearly Question Paper

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Question Paper
HALF YEARLY EXAMINATION
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SESSION: 2025 – 2026
CLASS:IX MAXIMUM MARKS:80
SUBJECT: SCIENCE TIME: 3 Hrs
General instructions:
The question paper consists of 7 pages.

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There are 39 questions in 5 sections.

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1. Section-A from Q 1 to Q20 are very short answer type question which carries 1 mark each.

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2. Section-B from Q21 to Q26 are short answer type questions which carries 2 marks each.

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3. Section-C from Q27 to Q33 are short answer type questions which carries 3 marks each.

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4. Section-D from Q34 to Q36 are long answer type questions which carries 5 marks each.

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5. Section-E from Q37 to Q39 are case based questions which carries 4 marks each.

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6. There is no overall choice in the question paper. However, internal choices have been
provided in some questions. A student has to attempt only one of the alternatives in such
question

SECTION - A
1. An athlete comes running fast before taking a long jump- 1
(a) to decrease momentum (b) to increase momentum
(c) to increase time (d) to increase the mass
2. The weight of a body is maximum 1

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(a) at the centre of the earth (b) inside the earth
(c) on the surface of the earth (d) above the surface of the earth

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3. During summer, water kept in an earthen pot becomes cool because of the 1

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phenomenon of -
(a) Diffusion (b) Transpiration
a (c) Osmosis (d) Evaporation

4. The boiling point of alcohol is 78°C. What is this temperature in Kelvin scale? 1
(a) 373 (b) 351 K (c) 375 K (d) 78 K
5. A few substances are arranged in the increasing order of ‘forces of attraction’ 1
between their particles. Which one of the following represents a correct
arrangement?
(a ) Water, air, wind (b) Air, sugar, oil

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(c) Oxygen, water, sugar (d) Salt, juice, air

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6. Smoke is an example of -
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(b) Gas dispersed in .solid
1

. c o (a) Gas dispersed in liquid
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(c) Solid dispersed in gas (d) Solid dispersed in

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(a) Low temperature, high pressure
(b) High temperature, high pressure
(c) Low temperature, low pressure
(d) High temperature, low pressure

8. Which among the following can exhibit Tyndall Effect? 1
(a) Solution of iron sulphate
(b) Starch solution
(c) Iodine dissolved in alcohol

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(d) Tap water

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9. What will be the chrom
mosome number of Ovum? 1
(a ) 23 pairs
(b ) 46
(c ) 46 pairs
(d ) 23
10. Identify A, B, C and D from the given diagram: 1
(a) A-Muscle, B-Tendoon, C-Ligament, D-Bone
(b) A-Tendon, B-Musccle, C-Ligament, D-Bone
(c) A-Tendon, B-Musccle, C-Bone, D-Ligament
(d) A-Muscle, B-Ligamment, C-Tendon, D-Bone

Assertioon–Reason Type Questions (Q.11-14):
Two statements are givven.One labelled Assertion (A) and the other labelled
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Reason(R). Select the correct
c answer to these questions as given bellow:
(a) Both A and R are true and R is the correct explanatiion of A.
(b) Both A and R are true and R is not the correct explaanation of A.
(c) A is truue but R is false.
(d) A is fallse but R is true.

11. Assertion (A): The mootion of satellites around their planets is consiidered an 1
accelerated motion.
Reason (R): During their motion, the speed remains constantt, while the
direction of motion chaanges continuously
12. Assertion (A): Steam is
i better than the boiling water for heating pur
urposes. 1
Reason (R): Stem conttains more heat in the form of latent heat thann boiling
water.
13. Assertion (A): Plasmaa membrane is also known as selectively perm meable 1
membrane.
Reason (R): Plasma membrane
m is the outer boundary of a cell.
14. Assertion (A): Meristeematic tissues are responsible for the growth of
o plants. 1
Reason (R): Cells of meristematic
m tissue are continuously dividingg and have a
dense cytoplasm, thin cell
c walls, and prominent nuclei.
15. Hydrogen (H2) and Oxy xygen (O2) react to form a substance water (H
H2O). Which 1
statement about H2O iss false?
(a) H2O can be classifieed as a pure substance
(b) H2O shows the propperties of hydrogen as well as oxygen
(c) H2O is a compoundd of hydrogen and Oxygen
(d) The reaction involvves changes in energy
16. Which of the followingg is incorrect about plasma membrane? 1

(a) Allows selectivve transport
(b) Provides rigid ssupport
(c) Maintains internnal environment
(d) Separates conteents from external environment
17. Match the following:-
A. Collenchyma (i) Transport of water 1
B. Phloem (ii) Provides flexibility in plants
C. Sclerenchyma (iii) Transport of food
D. Xylem (iv) Provide mechanical support with thickk walls

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(a) A-iv, B-iii, C-i, D-ii

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(b) A-ii, B- iii, C-iv, D-i
(c) A-iii, B-iv, C-i, D-ii
(d) A-I, B-ii, C-ii, D-iii
18. The table below shows the percentage of water movement across different types 1
of cells in various solutions:-
Type of Solution % Water Entering Cell % Water Leaving Cell
Distilled Water 95% 5%
Sugar Solution 20% 80%

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Saline Solution 50% 50%

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Which condition indicates that the cell is in an isotonic solution?

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(a) Distilled Water

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(b) Sugar Solution

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(c) Saline Solution

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(d) None of the above
19. The table shows functions of various plant tissues:- 1
Tissue Function
X Photosynthesis and storage
Y Support in growing stems and leaves
Z Transport of water and minerals

Identify tissue X.
(a) Collenchyma
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(b) Parenchyma
(c) Xylem
c
.plant tissues are arranged from outer 1
(d) Phloem

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20. Find out the correct sequence in which the

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to inner layers in a stem.

Epidermis� cortex� a
(a) Xylem�epidermis�cortex�phloem
(b) phloem� xylem
(c) Cortex� xylem-� phloem� epidermis
(d) Phloem� xylem� epidermis� cortex
SECTION-B
21. Velocity-time graph for the motion of an object is a straight line parallel to the 2
time axis.
(a) Identify the nature of motion of the body.
(b) Find the acceleration of the body

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22. Why is it easier to stop a tennis ball in comparison to a cricket ball moving at 2

m . c
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the same speed?

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(OR)

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(a) A runner presses the ground with his feet before he starts his run.

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Identify the action and reaction in this situation.

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(b) In a tug of war, the rope does not move in any direction.
23. If gravitational force acts between all objects, why don’t the two objects in a 2
room move towards each other?
24. Classify the following substances into elements, compounds and mixtures. 2
(a) Sugar (b) Air (c) Diamond (d) Chlorine
25. (a) The inner membrane of mitochondria is deeply folded. What is the 2
advantage of these folds?

(b) Name the cell organelle in which the following structures are present:

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(i) Cristae (ii) Stroma.

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26. Minu was surprised to see that after a heavy storm yesterday eveninng, the 2
branches of Hibiscus pllant did not break. Explain Minu the reason ffor such
phenomenon.
OR
Zinia was asked to draw
w a transverse section of Sclerenchyma cells.. She drew
the given diagram.

(a) What do you think w
which cell did she draw?
(b) How can you draw your conclusion?

SECTION-C
27. Explain the following ttype of motion with one example each. 3
(a) Acceleration is positive
(b) Acceleration is negative
(c) Acceleration is zero
28. Which has a higher moomentum- a bullet of mass 10g moving with a velocity of 3
400m/s or a cricket ball
ll of mass 400g thrown with a speed of 90km//hr?
29. Ratan visited his aunt'ss house in summer vacation. There is a mangoo garden. 3
Suddenly a mango of 270gm
2 falls on the ground.
(a) State the reason behhind it.
(b) Calculate the weighht of the mango on the earth's surface. (Take g =10 m/s2)
(c) Calculate the ratio of
o the weight of the mango on the earth to thee weight of it
on moon's surface.
30. (a) Account for the folllowing observations: 3
(i) We wear cotton clothes
c in summer.
(ii) Wet clothes dry slowly during rainy season.
(b) Ice at 0°C feels coolder than water at 0°C. Justify with a reason.
31. (a ) Can we separate thhe components of milk by filtration? Justify yoour answer 3
with a proper reason.
(b ) Name the processees to separate the components of milk
(c) Classify the followiing changes as physical or chemical.
(i) Dissolution of saalt in water
(ii) Ripening of frui
uits
(iii) Rusting of ironn chair
OR
(a) How can a saturatedd solution be made unsaturated? (write only oone
method)
(b) Which phenomenonn is responsible for the scattering of a beam ofo light for a
colloid solution?
(c) The “sea water” cann be classified as homogeneous as well as heeterogeneous
mixture. Comment
32. Grass looks green, papaaya appears yellow. 3
(a) Name the organellee responsible.
(b) In which respect is this organelle similar to mitochondria?
(c) How is this organell
lle classified?
33. State any one location of
o the following tissues in the human body annd write any 3
two functions of each.
(a) Areolar tissue
(b) Adipose tissue

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SECTION-D

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34. (a) A train starting from rest attains a velocity of 90 km/hr in 3 minutes. 5
Assuming that the acceleration is uniform, find:
(i) the acceleration
(ii) the distance travelled by train for attaining this velocity
(b) The displacement of a moving object in a given interval of time is zero.
Would the distance travelled by the object also be zero? Justify your
answer and give an example.

OR

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(a)

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a

An insect moves along a circular path of radius 10cm with a constant speed. It
takes 1 min to move from a point on the path to the diagrammatically opposite
point, find:

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(i) the distance covered
(ii) the speed

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(iii) the displacement

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(iv) the average velocity

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(b ) A car moves along a straight road with increasing speed. How will thegraph

35.
of velocity and time appear?
(a) Give reason for the following: a 5
(i)Doctor’s advice to put strips of wet cloth on the forehead of a person having
high fever.
(ii). Ice at 273K is more effective in cooling than water at the same temperature.
(iii). A liquid generally flows easily.

(b) What is the physical state of water at 273K and 373K

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When water is cooled to a temperature T1 it gets converted into ice at

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temperature T1 by a process called X. When ice at temperature T1 is warmed, it

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gets converted into water at the same temperature T1 by a process of Y

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(a)What is the value of temperature T ?

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1

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(b) What is the process X?
(c)What is the name of energy released during process X?
(d) What is the process Y?
(e)What is the name of the energy absorbed during the process Y?
36. Give reasons for the following statements: 5
(a) "Lysosomes are called scavengers of the cell"
(b) Where are chromosomes present in the cell? What is their chemical
composition?

(c) Distinguish between cytoplasm and nucleoplasm (any 2 points)

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OR
(a) Slides of root tip and testis were given to a student for a lab activity. Identify
the slide that will be used to study meiosis and explain why?
(b) Why are proteins synthesized in the rough endoplasmic reticulum and not
in smooth endoplasmic reticulum?
(c ) What happens when there is no Golgi complex in the cell?

SECTION-E
37. 4

Two teams are playing tug of war. Team A pulls with a force of 600N and team
B pulls with a force of 750N.

(a) What is the net force acting on the rope and in which direction?
(b) If both the teams apply equal force, what will happen?
(c) Which law of motion helps you determine the net force? State it.
OR
(c) Define Unbalanced force. Is this situation an example of it? Give reason.

38. 4
Group-A Group-B
A set of 4 students mixed Another set of 4 students
iron fillings and Sulphur mixed iron fillings and
powder. Sulphur powder in a hard
glass test-tube and heated the
mixture strongly.
By this mixture the By this mixture the following
following tests were done – test were done –
I. On treating with dilute I. On treating with dilute HCl,
HCl, produced H2 gas pop H2S gas with rotten eggs
sound, when it was burnt. smell was obtained .
II. On shaking with carbon II. On shaking the material
disulphide, sulphur with carbon disulphide
dissolved and leaving the sulphur did not get separated
iron fillings from iron.

Give the answer for the following questions on the basis of above
experiments.
(a) Which group got a pure substance? Give your supporting statement.
(b) Which group has obtained a material with magnetic properties?
(c) Why did they get different materials obtained by the action of dilute HCl?
Explain it.
OR

(c) Give two points of difference between a pure substance and a mixture.

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Gokul found a nail in the courtyard of his house and heghammered it on the
mango tree at around his shoulder's height though theatree height was more than
39. Read the passage carefully and answer the following questions: 4

his height. His mother scolded him from doing so. After 4-5 years, he noticed
that the nail is still at the same level but the mango tree has grown taller than
him. He explained the reason for the same to his mother that a tree grows from
its tip whether it is root or stem but not from any other part.

(a) Which tissue is responsible for the growth of plants?

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(b) Write any two characteristics of the cells of this tissue.

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(c) How is this tissue classified on the basis of their location? Name the type of

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tissue responsible for increase in girth of stem or root.

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la found mango is soft to eat but pear is crunchy when he chew it. ag
OR

(c)gGokul
a What makes pear crunchy?
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