Class 10th Science Half Yearly Paper 2025 – Hello students, if you’re searching for the Class 10th Science Half Yearly Paper 2025, you’ve come to the right place. Here, we’ll tell you how your Class 10th Science Half Yearly Paper 2025 will look and which questions you need to memorize. Dear students, if you’re also in Class 10, be sure to read this article carefully –
Class 10th Science Half Yearly Paper 2025-26 model Paper
Half Yearly Exam – 2025-26
Class – 10th
Subject – Science
Time – 03:00 hours. Total Marks – 75
Instructions:
All questions are compulsory.
Answer the questions as per the instructions.
Questions 1 to 4 are objective type questions carrying 1 × 32 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, with a word limit of 120 words.
Question 1. Choose the correct option and write it –
The pores found on the surface of a leaf are –
Stomata
Alveoli
Nephron
Pore
The main thinking part of the brain is –
Forebrain
Hindbrain
Spinal cord
None of the above
The space between two nerve cells is called –
Dendron
Synapse
Exon
Impulse
In which cell are genetic signals contained –
In DNA
In RNA
In cytoplasm
In ribosome
Color separation occurs –
By a mirror
By a prism
By a lens
By a rectangular piece of glass
The radius of curvature of a plane mirror is –
a. At infinity
b. At the center of curvature
c. At the focus
d. None of these
Answer: 1. a. Aqua regia concentrated, 2. c. Sodium hydrogen chloride, 3. a. Stomata, 4. a. Forebrain, 5. b. Synapse, 6. a. In DNA, 7. b. From a prism, 8. a. At infinity
Question 2: Fill in the blanks:
The fetus receives nutrition from the mother’s blood through a structure called _____.
The ______ is responsible for oxygen transport in the human body.
The cause of farsightedness is the ______ of the eyeball.
The common name for sodium hydrogen carbonate is ______.
Metallic oxides are ______ in nature.
A homogeneous mixture of two or more metals is called ______. It is said that
Alloys are used for welding electrical wires together.
Answers: 1. Placenta, 2. Blood, 3. Small, 4. Baking soda, 5. Acid, 6. Alloy, 7. Solder
Question 3: Write your answer in one word or one sentence:
All metals except which one are found in the solid state at room temperature.
What is the black layer on silver jewelry?
Write the full name of DNA.
Which hormone is responsible for sperm production in humans?
Write the mirror formula.
What is the functional unit of human excretion?
Which part of the heart pumps blood to various parts of the body?
Select true/false:
(i) Exothermic chemical reactions involve the absorption of heat.
(ii) CH3OH is a base, since it contains OH.
(iii) Metal oxides are usually basic in nature.
(iv) R-CHO is the general formula for aldehyde (alkenal).
(v) The left atrium receives oxygenated blood from various parts of the body.
(vi) The thinking part of the brain is the hindbrain.
Answer: (i) False, (ii) False, (iii) True, (iv) True, (v) False, (vi) False
Question 5: What is meant by reactant and product? Or, describe the difference between displacement and double-displacement reactions.
Question 6: What is anodization?
Or
What is the importance of the activity series?
Question 7: What is a hydrocarbon? Explain with an example.
Or
Write the name and structural formula of an alcohol. What atoms are found in its molecule?
Question 8: What is the role of saliva in human digestion?
Or
Why are mitochondria called the powerhouse of the cell?
Question 9: How is the process of nutrition completed in an amoeba?
Or
Write the functions of blood.
Question 10: Differentiate between an artery and a vein.
Or
Write the difference between blood and lymph.
Question 11: Write the functions of the human testis.
Or
What type of fission occurs in an amoeba?
Question 12: Draw a labeled diagram of the human female reproductive system.
Or
Draw a labeled diagram of the human male reproductive system.
Question 13: In which part of the cell are genes found?
Or
Write Mendel’s law of independent assortment.
Question 14: What is the role of X and Y in sex determination? Explain with a diagram.
Or
What is Mendel’s law of segregation?
Question 15: Write the laws of refraction of light.
Or
What is a spherical mirror? Write its types.
Question 16: State Snell’s law.
Or
What nature of image will be formed by a concave mirror if:
(a) The object is placed at infinity. (b) The object is placed between P and F.
Question 17: What is a redox reaction? Write equations to show oxidation and reduction reactions.
Or
What is an exothermic reaction? Write three examples of exothermic reactions.
Question 18: State the functions of the plant hormone gibberellin.
Or
Draw a labeled diagram of the human brain.
Question 19: State the role of scattering in producing the Tyndall effect.
Or
Write the causes and remedies of presbyopia.
Question 20: What is a salt? Write its four functions.
Description
class 10th science ardhvarshik paper 2025 – class 10 science half yearly paper 2025 / class 10th science half yearly paper 2025-26, Vigyan paper class 10
