CLASS 10 SCIENCE sample paper
(Important for CLASS 10 SCIENCE half yearly exam practice)
The possible syllabus for the half-yearly examination 2022-23 for CLASS 10 SCIENCE (विज्ञान) is as follows
CLASS 10 SCIENCE
- chemical reactions and equations
- acids, bases, salts
- biological process
- control and coordination
- reflection and refraction of light
- human eye and colorful world
- Sources of Energy (Dropped for this session)
- metals and nonmetals
- carbon and its compounds
- how do organisms reproduce
Chapter 7 - Diversity in Organisms
Chapter 5 Classification of Elements
Chapter 9 - Heredity and Evolution
Chapter 12 Electricity
Three experiments related to the above chapters
monthly exam
project work
Note - Questions are not likely to come from the deleted course
👉 Click this link to download Science Blueprint
CLASS 10 SCIENCE (MATHEMATICS) OBJECTIVE QUESTIONS FOR 30 MARKS
Will be asked Objective questions will be asked mainly in 4 types
1. Choose the correct option 08 marks
2. Write answer in one word/sentence 07 marks
3. Fill in the blanks 07 marks
Match 4 Correct Pairs 08 Marks
Apart from this, 12 questions of 2 marks, 3 questions of 3 marks and 3 questions of 4 marks will also be asked.
mp board half yearly exam 2022-23
model question paper
CLASS 10 SCIENCE
Time-3.00 hours Integer-75
Instructions:-1. It is compulsory to attempt all the questions.
2. Question no. Internal options are given from 05 to 22.
3. Question no. Marks 01 to 04 are objective type questions. Separate marks are prescribed for each question.
4. Marks for each question are indicated against it.
5. Question no. Answer questions from 05 to 16 in 30-40 words each.
6.Question no. Answer questions 17 to 19 in about 75-80 words each.
7. Question no. Answer questions from 20 to 22 in about 120-130 words each.
Question 1. Write the correct option- 1×8 =8
i. A chemical reaction is determined when
(A) change in state (B) change in color (C) change in temperature (D) all of the above
II. The chemical name of baking powder is
(a) Hydrochloric acid (b) Tartaric acid (c) Sodium hydrogen carbonate (d) Sulfuric acid
III. A billon reacts with ground egg shell to produce a gas which turns lime water milky. In this billon there will be -
A. NaCl B. HCl C. LiCl D. KCl
iv. Which substance is used while applying plaster to join broken bones?
(a) Washing soda (b) Baking soda (c) Plaster of Paris (d) Brion
v. Which of the following properties is generally not displayed by metals?
(a) Conduction of electricity (b) Lack of brightness
(c) Tensile (d) Acoustic nature
vi. Which one converts fat into fatty acid
(A) Pepsin (B) Amylase
(C) Lipase (D) Trypsin
VII. main thinking part of the brain
A fore brain B hind brain C spinal cord D none of the above
VIII. reproduction in amoeba
A by binary fission B by budding C by multiple fission D all of the above
Question 2. Fill in the blanks - 1×7 = 7
The gas that burns with sin sound is --------------.
II. ------- acid is present in the sting of the herbal plant nettle.
iii. Sperm is produced in the human body in ------------
iv Total number of ______________ chromosomes are found in males.
v. The ------------------------ part of the human eye is donated in eye donation.
vi. The resistance of a wire is proportional to its length.
vii A homogeneous mixture of two or more metals is called
Question 3. Match the correct pair 1×8 = 8
A B
i. sky blue - testosterone
ii substances participating in the chemical reaction - liver
iii. olfactory indicator - kerosene
iv Formula of bleaching powder - CaOCl2
v sodium - onion
vi Urea formation - reactants
VII Master gland - Pituitary
VIII Male hormones - scattering
Question.4. Write answer in one sentence. 1×7 = 7
i. Why paint on iron objects?
II. The black layer on silver jewelery is made of what substance?
iii. The pH value of fresh milk is 6. What will be the change in its pH value when curd is formed?
iv. In what proportion is concentrated hydrochloric acid and concentrated nitric acid mixed in aqua regia?
v. Write the full name of DNA?
vi What is liquid connective tissue in humans?
How is the image formed on the retina?
Question. 5. What is an exothermic reaction? (2)
Or
what is an endothermic reaction
Question.6. Why is respiration called an exothermic reaction? (2)
Or
What is a precipitation reaction action? Write an example?
Question 7. What is redox reaction called? (2)
Or
Why are packets of potato chips affected by nitrogen?
Question 8 What is amalgam (2)
Or
Write the measures to prevent corrosion?
Question 9 What is called Bharjan? (2)
Or
What is disposal?
Question 10 Write any two differences between soap and detergent? (2)
Or
what is kidwan
Question 11. What are covalent bonds called? How are they closed between organic compounds? (2)
Or
What is substitution reaction?
Question.12. What are saturated and unsaturated hydrocarbons? (2)
Or
What is the role of saliva in human digestion.
Question.13. Write the full name of ATP, why is it called energy currency (2)
Or
Write two functions of placenta
Question 14: Why did Mendel choose pea plant for his experiment? (2 )
Or
what is heredity
Question 15. Write the laws of reflection of light. 2
Or
Write two differences between diverging and converging lens
Question 16. Test the number of electrons in one coulomb charge 2
Or
what is the meaning of electric circuit
Question 17. What is a balanced equation? Write a balanced equation. (3)
Or
When carbon dioxide gas is passed in lime water, then lime water becomes milky, why write a chemical equation.
Question 18: Explaining clearly what is myopia, give its reason and remedy (3)
Or
Explaining clearly what is farsightedness, give its cause and solution.
Question 19 Write the names and functions of any three endocrine glands found in humans? 3
Or
Which components of food are digested in the stomach in human beings? Write the names of auxiliary disorders in this.
Question 20 Under what circumstances does a farmer use quick lime, slaked lime or chalk in the soil of the field and why 4
Or
What is milk of magnesia, write its formula and use
Question 21 Draw a labeled diagram of human heart 4
Or
Draw a labeled diagram of human excretory system
Question 22 What is allomorphism? Write the names and uses of any two upper forms of carbon. 4
Or
What are detergents, why are they used in making shampoos and laundry products?
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