Half Yearly Exam 2025- Class 10th Science Model Question Paper

Half Yearly Exam 2025 - Class 10th  Science  

                     Model Question Paper 

The Madhya Pradesh School Education Department's Class 10th half-yearly examinations will begin on November 3rd. The timetable has been released. The syllabus and blueprint for the half-yearly examination have also been released.

View the Class 10th Science syllabus.

Read and solve model/practice papers for the Class 10th Science half-yearly examination.

Half Yearly Exam 2025 Model Question Paper

Subject: Science

Class: 10th

Time: 3.00 hours, Marks: 75

Instructions: 1. All questions are mandatory.

2. Questions 6 to 23 are internal choices.

3. Questions 1 to 5 are objective questions. Each question carries a different number of marks.

4. Marks are indicated against each question.

5. Answer questions 6 to 17 in 30-40 words each. 2 marks.

6. Question No. Answer each question from 18 to 20 in approximately 75-80 words. 3 marks

7. Answer each question from 21 to 23 in approximately 120 words. 4 marks

Question 1. Write the correct option - 1 × 6 = 6

i. Pouring dilute hydrochloric acid on iron powder produces -

A. Hydrogen gas and iron chloride are formed

B. Chlorine gas and iron hydroxide are formed

C. No reaction occurs

D. Iron salt and water are formed

II. Which property is not exhibited by metals?

(A) Electrical conductivity

(B) Ductility

(C) Brittleness

(D) Malleability

III. The device that converts electrical energy into mechanical energy is -

A. Ammeter B. Generator C. Motor D. Galvanometer

iv. In which part of the alimentary canal is the digestion of food complete? 

(A) Small intestine (B) Large intestine (C) Stomach (D) Rectum

v. The focal length of a plane mirror is:

(A) +1 cm (B) -1 cm (C) 2 cm (D) Infinity

vii. The process of respiration is:

(A) Reduction (B) Oxidation (C) Excretion (D) Absorption

Q. 2. Fill in the blank: 1 × 6 = 6

i. The decomposition of vegetables into compost is an example of a _______ reaction.

ii. The unit of electrical power is _______.

iii. The thinking part of the human brain is ______.

iv. The chromosome responsible for male offspring is ______.

v. We can see objects only in the presence of ______.

vi. The shortest distance of distinct vision for an adult with normal vision is approximately ______.

Question 3. Match the correct pair. 1 × 6 = 6.

“A”                                                “B”

 Master gland                             Calcium carbonate 

Regulation of blood sugar          Light ray 

Acetic acid                                 Bromine Liquid 

metal                                          Vinegar 

Straight line                               path Insulin 

Marble                                       Pituitary

Question 4. Write the answer in one sentence. 1 × 6 = 6.

i. What is the maximum valency of carbon?

ii. What is called a reactant?

iii. What is called blood pressure?

iv. What is the power of a lens with a focal length of 1 m?

v. Who presented the main laws of inheritance?

vi. How many watts are there in one horsepower?

Q.5 - Write True/False                            1 × 6 = 6

i. Are primary consumers always vegetarian?

ii. Is the twinkling of stars the result of reflection?

iii. Is World Environment Day celebrated on June 5th?

iv. Chlorofluorocarbons are used for firefighting.

v. The full form of DNA is deoxyribose nucleic acid.

vii. The refractive index of air is higher than that of diamond.

Q.6. Why should curd and sour foods not be stored in brass and copper vessels? (2)

                           Or

When does acid rain occur? Write its causes and effects.

Question 7. Write any two uses of baking soda? (2)

                           Or

Draw the electron dot structure of methane.

Question 8. Write the following word equation as a balanced chemical equation. 2)

Zinc + sulfuric acid = zinc sulfate + hydrogen.

                           Or

Write only one example each of saturated and unsaturated carbon compounds.

Question 9. What are the consequences of a lack of hemoglobin in our body? (2)

                    Or

What is heredity?

Question 10. Write two functions of the plant hormone cytokinin.

       Or

Why is it recommended to use iodized salt? Write (2)

Question 11. Why did Mendel choose pea plants for his experiments? Write any two reasons. (2)

                   Or

Why is reproduction necessary?

Question 12. Why are mitochondria called the powerhouse of the cell? (2)

Or

What are the functions of platelets in the blood?

Question 13. Write the laws of reflection of light. (2)

Or

What is an ecosystem?

Question 14. Write any two applications of a convex mirror. (2)

Or

Write any two applications of a concave mirror.

Question 15. What is vegetative amplification? (2)

                   Or

Which two metal wires are commonly used for electrical transmission?

Question 16. Define electromagnetic induction. 2

                   or

What are omnivorous animals called?

Question 17. Write two ways to prevent food from becoming rancid. 2

                       or

Write two functions of blood.

Question 18. Write any three functions of the human brain. (3)

                         or

What are endocrine glands? Name any two and the hormones they secrete.

Question 19. What is dispersion of colour? Explain with a diagram. (3)

                              or

What could be the reason why a person cannot see distant objects clearly?

Name this defect and write ways to correct it.

Question 20. Draw a labeled diagram of a nerve cell and name two organelles of the cell. 3

                           or

Draw a labeled diagram of a reflex arc and name any two organelles.

Question 21. The radius of curvature of a convex mirror used for rear-view photography in an automobile is 3 m. If a bus is located 5 m from this mirror, find the position, nature, and size of the image. (4)

                  Or

A. What is a converging lens?

B. The radius of curvature of a spherical mirror is 20 cm. What is its focal length?

Question 22: Draw a labeled diagram of the human excretory system (4)

                      OR

Draw a labeled diagram of open and closed stomata.

Question 23: Write the formula for plaster of Paris and describe three of its uses. (4)

                       OR

Write four differences between soap and detergent.

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