Class 9th Science Half Yearly Paper 2025 – Hello students, if you’re preparing for the Class 9th Science Half Yearly Paper 2024, then you’ve come to the right article. Today, we’re going to tell you about the Class 9 Science Half Yearly Paper 2024, how your Class 9th Science Half Yearly Paper 2025 will look, and what questions you’ll see in the Class 9th Science Half Yearly Question Paper 2025. So let’s find out:
Class 9th Science Half Yearly Paper 2025-26 Model Paper
Half Yearly Paper 2025-26
Class – 9th
Subject – Science
Time – 03:00 hours, Marks – 75
Instructions:
All questions are compulsory.
Answer the questions as per the instructions.
Questions 1 to 4 are objective type questions, carrying 1 × 30 marks.
Questions 5 to 14 are worth 2 marks each, with a word limit of 30 words.
Questions 15 to 18 are worth 3 marks each, with a word limit of 75 words.
Questions 19 to 22 are worth 4 marks each. The word limit is 120 words.
Question 1. Choose the correct option and write:
1. The state of matter in which matter has no shape but a definite volume is:
a. Solid
b. Liquid
c. Gas
d. All of the above
2. Which of the following substances can sublimate?
a. Naphthalene
b. Ammonia chloride
c. Anthracene
d. All of the above
3. Known as the suicide bag:
plasma membrane
b. Lysosome
c. Oil droplet
d. Ribosome
4. Why do aquatic plants burn in water?
a. Due to collenchyma
b. Due to parenchyma
c. Due to aerenchyma
d. Due to sclerenchyma
5. The vector quantity is:
a. Displacement
b. Velocity
c. Acceleration
d. All
6. The cause of weightlessness on a satellite is:
a. Center of mass
b. Zero gravity
c. Zero reaction force by the satellite’s surface
d. None of the above
7. The SI unit of work is:
a. Joule
b. Erg
c. Watt
d. Newton
8. Crops grown in winter are called:
b. Kharif crops
c. Rabi crops
d. None of the above
Answer: 1. a. Liquid, 2. b. D. All of the above, 3. b. Lysosomes, 4. c. Due to aerenchyma, 5. d. All of the above, 6. b. Zero gravity, 7. a. Joule, 8. b. Rabi crops
Question 2: Fill in the blanks:
1. A colloid is a _______ mixture.
2. The formula for calcium hydroxide is _______.
3. The number of atoms in one mole of a substance is _______.
4. According to the octet rule, the electrons in the first shell of an atom must be _______.
5. Mitosis occurs _______ in cells.
6. The change in velocity per unit time is called _______.
7. The energy contained in an object due to its motion is called _______.
Answer: 1. Heterogeneous, 2. Ca(OH)2, 3. 6.022 x 1023, 4. Eight, 5. Bodily, 6. Acceleration, 7. Kinetic energy
Question 3: Make the correct pairs:
Dry ice a. Isotopes
Calcium and argon b. Basic
Protium and deuterium c. Solid CO2
Complex permanent tissue d. F = ma
Simple permanent tissue e. Parenchyma
First law of motion: f. p = mv
Second law of motion: g. Earthworm
Vermicompost: h. Xylem
Answer: 1. c, 2. a, 3. b, 4. h, 5. e, 6. d, 7. f, 8. g
Question 4: Write your answer in one word or one sentence.
What is the unit of pressure?
What is the melting point of water on the Kelvin scale?
What is the dispersed state in butter?
What is the name of a group of atoms with a net charge?
How many types of cell division are there?
What will be the total displacement after completing two revolutions of a circular field?
What is the work done when the force and displacement are perpendicular to each other?
Answer: 1. Pascal, 2. 273.2 K, 3. Gel, 4. Polyatomic ion, 5. Two, 6. Zero, 7. Zero
Question: 671. Write true or false:
1. The unit of power is the joule.
2. The unit of work is the watt.
3. The rate of work is called energy.
4. Energy can neither be destroyed nor created; this is the law of conservation of mass.
5. Raising an object to a certain height increases its energy.
Answer:
1. False
2. False
3. False
4. False
5. True
Question 5: Write the full name of LPG.
Or
Why does an ice cube float on water?
Question 6: Write two differences between metals and nonmetals.
Or
Write two differences between physical and chemical properties.
Question 7: Write the properties of a colloidal solution.
Or
What is centrifugation?
Question 8: What is an isotope? Write an example.
Or
Write the concept of Bohr’s atomic model.
Question 9: Write the number of electrons and protons present in helium.
Or
What is valency? Write the valency of magnesium and aluminum.
Question 10: Write the difference between striated muscle and unstriated muscle.
Or
Write the difference between xylem and phloem.
Question 11: Name two tissues found in the animal body and their function.
Or
Write the composition of blood.
Question 12: Write the difference between speed and velocity.
Or
Which of the following cannot be negative for distance and displacement, and why?
Question 13: What forces are acting on a stationary bus?
Or
How can the direction of a moving object be changed?
Question 14: Write Newton’s second law of motion.
Or
Why does a cricket player pull his hands backward while playing a game? Explain the reason.
Question 15: Why is the weight of an object on the Moon 1/6th its weight on Earth?
Or
Why is the law of gravitation called a universal law?
Question 16: Write Kepler’s laws related to planets.
Or
Write Archimedes’ principle.
Question 17: Draw a labeled diagram of a mitochondrion.
Or
Draw a labeled diagram of a bacterial cell.
Question 18: Derive a formula to determine kinetic energy.
Or
What is the law of conservation of energy?
Question 19: What is organic farming? Explain its importance.
Or
How are mechanical methods used to protect crops?
Question 20: Explain the law of conservation of mass with an example.
Or
Calculate the molecular mass of an NH molecule.
Question 21: How can the rate of change of speed be determined? What is it called?
Write its unit.
Or
The speed of a bus decreases from 80 km/h to 60 km/h in 5 seconds. Find the bus’s acceleration.
Question 22: What is meant by the loudness of sound? On what factors does it depend?
Or
What are compression and rarefaction? Explain.
Description –
Class 9th vigyan ardhvaarshik paper 2025 – Hello students if you have class 9th science half yearly paper 2025-26, 10th Science half yearly paper 2025
