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Is CBSE released sample paper for 2024 Class 10 Science?
CBSE has released the Class 10 Science sample paper and marking scheme for the 2023-2024 board exams.
How to get 95 percent in class 10?
Practice previous year papers and sample papers to score 95 percent in class 10.
Do sample papers help in better understanding of the concepts?
Yes, sample papers will help you to understand the concepts better and to score good marks in your examinations.
CBSE Class 10 Science Sample Paper 2023-24 PDF Download
CBSE Class 10 Science Sample Paper 2023-24 will help you to understand the type of questions in your class 10 Science examination. Download CBSE Class 10 Science Sample Paper from this article.
Neha Tanna23 Jan, 2024
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CBSE Class 10 Science Sample Paper 2023-24:
Today, science has every aspect of our existence. Science is pervasive and has always served as the basis for most technologies as well as the majority of the items we use daily.
According to their inclinations, a lot of students decide to major in science for their future. The CBSE Class 10 Science Sample Paper for the academic year 2023-24 is available in PDF format. This resource is designed to assist students in their preparation for the upcoming examinations.
Every student needs to learn more about science and do well on tests in order to overcome their disdain of a topic, which goes beyond simply receiving a low grade. This is achievable through better pre-exam preparation, which is enhanced by sample papers.
Exam preparation is often aided by the use of sample papers. Exam pressure is the most frequent cause of students' poor exam performance, despite their best efforts. There are a number of reasons why this could occur. CBSE Class 10 Science Sample Paper 2023-24 are provided by Physics wallah, which helps students get over their test anxiety. Any student in Class 10 who wants to do well on the board exams has to get the free CBSE Class 10 Science Sample Paper 2023-24.
Science Sample Paper Class 10 2024 with Solutions: Exam Pattern
The original CBSE Class 10 Science Sample Paper 2023-24 follows the same format as the CBSE science sample paper 2024 with solutions. The CBSE Class 10 Science Sample Paper 2023-24 includes solutions and is worth a total of 80 marks. The maximum time allotted to candidates to finish the question paper is three hours.
CBSE Class 10 Science Sample Paper 2023-24 with solutions consists of 5 sections and 39 questions.
Answers to all questions are required. However, there is an internal option provided in some queries. It is expected of a student to tackle only one of these questions.
There are twenty objective-type questions in Section A, each worth one mark.
There are six Very Short questions in Section B, each worth two points. These questions should have responses that range in length from 30 to 50 words.
There are seven three-point questions in Section C that are in the format of short answers. These questions should include responses that range in length from 50 to 80 words.
Three Long Answer-type questions totaling five marks each are included in Section D.
Sample Paper Class 10 Science 2023-24 with Solutions
Section A
1. Identify the product which represents the solid state in the above reaction.
a) Barium chloride
b) Barium sulphate
c) Sodium chloride
d) Sodium sulphate
2. The colour of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution is
a) Blue
b) Colourless
c) Dirty green
d) Reddish Brown
3. Mild non-corrosive basic salt is
a) Ca (OH)2
b) NaCl
c) NaOH
d) NaHCO3
4. On adding dilute sulphuric acid to a test tube containing a metal „X‟, a colourless gas is
produced when a burning matchstick is brought near it. Which of the following correctly
represents metal „X‟?
a) Sodium
b) Zinc
c) Copper
d) Silver
6. An element with atomic number_____ will form a basic oxide.
a) 7 (2,5)
b) 17 (2,8,7)
c) 14 (2,8,4)
d) 11 (2,8,1)
7. An element „M’ has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The
atomic number of „M‟ is:
a) 10
b) 12
c) 14
d) 18
8. Generally food is broken and absorbed within the body of organisms. In which of the
following organisms is it done outside the body?
a) Amoeba
b) Mushroom
c) Paramoecium
d) Lice
9. Receptors are usually located in sense organs. Gustatory receptors are present in
a) tongue
b) nose
c) eye
d) ear
10. A farmer wants to grow banana plants genetically similar enough to the plants already
available in his field. Which one of the following methods would you suggest for this
purpose?
a) Regeneration
b) Budding
c) Vegetative propagation
d) Sexual reproduction
11. Height of a plant is regulated by:
a) DNA which is directly influenced by growth hormone.
b) Genes which regulate the proteins directly.
c) Growth hormones under the influence of the enzymes coded by a gene.
d) Growth hormones directly under the influence a gene.
12. A sportsman, after a long break of his routine exercise, suffered muscular cramps during a
heavy exercise session. This happened due to:
a) lack of carbon dioxide and formation of pyruvate.
b) presence of oxygen and formation of ethanol.
c) lack of oxygen and formation of lactic acid.
d) lack of oxygen and formation of carbon dioxide.
13. An object is placed in front of a convex mirror. Its image is formed :
a) at a distance equal to the object distance in front of the mirror.
b) at twice the distance of the object in front of the mirror.
c) half the distance of the object in front of the mirror.
d) behind the mirror and its position varies according to the object distance.
14. When light enters the atmosphere it strikes on extremely fine particles, which deflect the
rays of light in all possible directions, This is due to –
a) reflection of light
b) atmospheric refraction
c) scattering of light
d) dispersion of light
15. In 1987, an agreement was formulated by the United Nations Environment Programme
(UNEP) to freeze the production of “X” to prevent depletion of “Y”. “X” and “Y”
respectively referred here are:
a) Ozone; CFCs
b) CFCs; rays UV
c) CFCs; Ozone
d) UV rays; Diatomic oxygen
16. Which of the following features relates to biodegradable substances?
a) Broken down by biological processes
b) Remain inert
c) Persist in environment for long time
d) May harm the ecosystem
Question No. 17 to 20 consist of two statements – Assertion (A) and Reason (R). Answer
these questions selecting the appropriate option given below:
a) Both A and R are true, and R is the correct explanation of A.
b) Both A and R are true, and R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
17. Assertion: Rusting of Iron is endothermic in nature.
Reason: As the reaction is slow, the release of heat is barely evident.
18. Assertion: Probability of survival of an organism produced through sexual reproduction is
more than that of organism produced through asexual mode.
Reason: Variations provide advantages to individuals for survival.
19. Assertion: A compass needle is placed near a current carrying wire. The deflection of the
compass needle decreases when the magnitude of the current in the wire is increased.
Reason: The strength of a magnetic field at a point near the conductor increases on increasing the current.
20. Assertion: Biodegradable substances result in the formation of compost and natural replenishment.
Reason: It is due to breakdown of complex inorganic substances into simple organic substances.
Sample Paper Class 10 Science 2023-24 with Solutions
Section- B
Question No. 21 to 26 are very short answer questions
[Each question of 2 Marks]
21. Dil. HCl is added to Zn granules.” How will you prove that chemical change has taken place
here? Support your response with two arguments.
22. State the post-fertilisation changes that lead to fruit formation in plants. 2
23. What is the purpose of making urine in the human body? Name the organs that stores and
releases the urine.
OR
Why do arteries have thick and elastic walls whereas veins have valves?
24. The refractive indices of three media are given below
A ray of light is travelling from A to B and another ray is travelling from B to C.
(a) In which of the two cases the refracted ray bends towards the normal?
(b) In which case does the speed of light increase in the second medium?
Give reasons for your answer.
25. A piece of wire of resistance R is cut into three equal parts. These parts are then connected
in parallel. If the equivalent resistance of this parallel combination is R1, what is the value of the ratio R1 : R?
OR
Refer to the image below and state how the magnetic field pattern indicates regions where the magnetic field is stronger outside the magnet? What happens to the magnetic field when the current in the circuit is reversed?
26 Study the food chain given below and answer the questions that follow:
a) If the amount of energy available at the third trophic level is 100 joules, then how
much energy will be available at the producer level? Justify your answer.
b) Is it possible to have 2 more trophic levels in this food chain just before the fourth
trophic level? Justify your answer.
Sample Paper Class 10 Science 2023-24 with Solutions
Section C
Question No. 27 to 33 are short answer questions
[Each question of 3 Marks]
27. The given reaction shows one of the processes to extract the metals like Iron and
Manganese.
MnO₂ (s) + Al(s) → Mn(l) + Al₂ O₃ (s) + Heat
a) Give reason why the above reaction is known as a thermite reaction.
b) Identify the substance oxidised and reduced in the above reaction.
c) Give a reason why Aluminium is preferably used in thermite reactions.
28. An element ‘M’ with electronic configuration 2 8 3 combines separately with Cl–, SO4-2 anions. Write the chemical formulae of the compounds formed. Predict with the suitable
reason the nature of the bond formed by element ‘M’ in general. How will the electrical
conductivity of the compounds formed vary with respect to ‘M’?
OR
A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when
heated in presence of H₂ gas gives ‘X’ back. ‘X’ is refined by the process of electrolysis;
this refined form of ‘X’ is used in electrical wiring.
Identify ‘X’ and ‘Y’. Draw a well-labelled diagram to represent the process of refining ‘X’.
29. We are advised to take iodised salt in our diet by doctors. Justify it’s importance in our
body.
30. What is the probability of a girl or a boy being born in a family? Justify your answer.
31. (i) Explain why the refractive index of any material with respect to air is always greater 1.
(ii) In the figure below a light ray travel from air into the semi-circular plastic block. Give a reason why the ray does not deviate at the semi-circular boundary of the plastic block.
(iii)Complete the ray diagram of the above scenario when the light ray comes out of the
plastic block from the top flat end. (1+1+1)
32. (i) State the law that explains the heating effect of current with respect to the measurable
properties in an electrical circuit.
(ii) List the factors on which the resistance of a conductor depends. (2+1)
33. Anannya responded to the question: Why do electrical appliances with metallic bodies are
connected to the mains through a three pin plug, whereas an electric bulb can be connected
with a two pin plug?
She wrote: Three pin connections reduce heating of connecting wires.
(i) Is her answer correct or incorrect? Justify. 2
(ii) What is the function of a fuse in a domestic circuit?
Sample Paper Class 10 Science 2023-24 with Solutions
Section D
Section-D
Question No. 34 to 36 are long answer questions
34. a) Rehmat classified the reaction between Methane and Chlorine in presence of sunlight as
a substitution reaction. Support Rehmat‟s view with suitable justification and illustrate the reaction with the help of a balanced chemical equation.
b) Chlorine gas was prepared using electrolysis of brine solution. Write the chemical equation to represent the change. Identify the other products formed in the process and give one application of each.
OR
Raina while doing certain reactions observed that heating of substance „X‟ with vinegar like
smell with a substance „Y‟ (which is used as an industrial solvent) in presence of conc. Sulphuric acid on a water bath gives a sweet-smelling liquid „Z‟ having molecular formula C4H8O2. When heated with caustic soda (NaOH), „Z‟ gives back the sodium salt of and the compound „Y‟.
Identify „X‟, „Y‟, and „Z‟. Illustrate the changes with the help of suitable chemical equations. 5
35. Given below are certain situations. Analyze and describe its possible impact on a person:
a) Testes of a male boy are not able to descend into scrotum during his embryonic development.
b) Vas deferens of a man is plugged.
c) Prostate and seminal vesicles are not functional.
d) Egg is not fertilised in a human female.
e) Placenta does not attach to the uterus optimally.
OR
a) A doctor has advised Sameer to reduce sugar intake in his diet and do regular exercise after checking his blood test reports. Which disease do you think Sameer is suffering from? Name the hormone responsible for this disease and the organ producing the hormone.
b) Which hormone is present in the areas of rapid cell division in a plant and which hormone inhibits the growth?
The above image shows a thin lens of focal length 5m.
(i) What is the kind of lens shown in the above figure?
(ii) If a real inverted image is to be formed by this lens at a distance of 7m from the pole,
then show with calculation where should the object be placed?
(iii) Draw a neatly labelled diagram of the image formation mentioned in (ii)
OR
A 10 cm long pencil is placed 5 cm in front of a concave mirror having a radius of curvature
of 40 cm.
(i) Determine the position of the image formed by this mirror.
(ii) What is the size of the image?
(iii)Draw a ray diagram to show the formation of the image as mentioned in the part.
Sample Paper Class 10 Science 2023-24 with Solutions
Section E
37 The table given below shows the hints given by the quiz master in a quiz -
1
Substance ‘C/’ is used as a preservative
2
‘C’ has two carbon atoms; „C‟ is obtained by the reaction of „A‟ in presence of alkaline Potassium permanganate followed by acidification
3
‘F’ is formed on heating „A‟ in presence of conc Sulphuric acid
4
‘F’ reacts with Hydrogen gas in presence of Nickel and Palladium catalyst
Based on the above hints answer the following questions
a) Give the IUPAC names of A and F
b) Illustrate with the help of chemical equations the changes taking place. (A C and A F)
OR
Name the chemical reactions which occur in steps 2 and 5. Identify the compounds
formed in these steps if „A‟ is replaced with its next homologue.
38. Figures (a) to (d) given below represent the type of ear lobes present in a family consisting
of 2 children – Rahul, Nisha and their parents.
Excited by his observation of different types of ear lobes present in his family, Rahul
conducted a survey of the type of ear lobes found {Figure (e) and (f)} in his classmates. He
found two types of ear lobes in his classmates as per the frequency given below:
On the basis of the above data answer the following questions.
a) Which of the two characteristics – „free ear lobe‟ or „attached ear lobe‟ appears to be
dominant in this case? Why?
b) Is the inheritance of the free ear lobe linked with sex of the individual? Give reason for your
answer.
c) What type of ear lobe is present in father, mother, Rahul and his sister Nisha? Write the
genetic constitution of each of these family members which explains the inheritance of
this character in this family?
(Gene for Free ear lobe is represented by F and gene for attached ear lobe is represented
by f for writing the genetic constitution).
OR
Suresh’s parents have attached earlobes. What type of ear lobe can be seen in Suresh and his sister Siya? Explain by giving the genetic composition of all.
Vinita and Ahmed demonstrated a circuit that operates the two headlights and the two sidelights of a car, in their school exhibition. Based on their demonstrated circuit, answer the following questions.
39. (i) State what happens when switch A is connected to
a) Position 2
b) Position 3
(ii) Find the potential difference across each lamp when lit.
(iii) Calculate the current
a) in each 12 Ω lamp when lit.
b) In each 4 Ω lamp when lit.
OR
(iv) Show, with calculations, which type of lamp, 4.0 Ω or 12 Ω, has the higher power.
Advantages of CBSE Class 10 Science Sample Paper 2023-24
For students enrolled in the CBSE Board's class 10 Science course, solving sample papers is essential because it helps with things like:
The sample papers work as a model for the actual exams for the students because they are created in compliance with the test pattern supplied by the board and the question papers from the previous year.
It assists students in identifying their areas of weakness in the subject, allowing them to strengthen those areas by studying the material before the board exam.
It assists in imitating the genuine exam environment for the students, preparing them psychologically for the real exam.
Students get more confident for the real exam when they solve the practice papers.
Students have studied well if they are receiving high marks on these papers.
Additionally, students can study for the exam in advance if they are unable to answer any of the questions. Thus, it raises the spirits of the class 10 students in both directions.
Features of The CBSE Class 10 Science Sample Paper 2023-24
Created by experts:
Physics Wallah's exceptionally qualified educators who examine every topic of the CBSE Class 10 science curriculum, including the syllabus, test guidelines, and past years' exam questions. And they create the sample science question papers for class 10 based on the data that was gathered.
Examination like questions:
The CBSE Class 10 Science sample questions are designed to closely resemble the actual exam. This implies that not only are the question kinds identical to those on the exam, but so is the layout in order to give the most authentic experience possible.
Free PDF download:
You may download all of the test questions for free and use them offline.
1. Identify the product which represents the solid state in the above reaction.
a) Barium chloride
b) Barium sulphate
c) Sodium chloride
d) Sodium sulphate
2. The colour of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution is
a) Blue
b) Colourless
c) Dirty green
d) Reddish Brown
3. Mild non-corrosive basic salt is
a) Ca (OH)2
b) NaCl
c) NaOH
d) NaHCO3
4. On adding dilute sulphuric acid to a test tube containing a metal „X‟, a colourless gas is
produced when a burning matchstick is brought near it. Which of the following correctly
represents metal „X‟?
a) Sodium
b) Zinc
c) Copper
d) Silver
6. An element with atomic number_____ will form a basic oxide.
a) 7 (2,5)
b) 17 (2,8,7)
c) 14 (2,8,4)
d) 11 (2,8,1)
7. An element „M’ has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The
atomic number of „M‟ is:
a) 10
b) 12
c) 14
d) 18
8. Generally food is broken and absorbed within the body of organisms. In which of the
following organisms is it done outside the body?
a) Amoeba
b) Mushroom
c) Paramoecium
d) Lice
9. Receptors are usually located in sense organs. Gustatory receptors are present in
a) tongue
b) nose
c) eye
d) ear
10. A farmer wants to grow banana plants genetically similar enough to the plants already
available in his field. Which one of the following methods would you suggest for this
purpose?
a) Regeneration
b) Budding
c) Vegetative propagation
d) Sexual reproduction
26 Study the food chain given below and answer the questions that follow:
a) If the amount of energy available at the third trophic level is 100 joules, then how
much energy will be available at the producer level? Justify your answer.
b) Is it possible to have 2 more trophic levels in this food chain just before the fourth
trophic level? Justify your answer.
(iii)Complete the ray diagram of the above scenario when the light ray comes out of the
plastic block from the top flat end. (1+1+1)
32. (i) State the law that explains the heating effect of current with respect to the measurable
properties in an electrical circuit.
(ii) List the factors on which the resistance of a conductor depends. (2+1)
33. Anannya responded to the question: Why do electrical appliances with metallic bodies are
connected to the mains through a three pin plug, whereas an electric bulb can be connected
with a two pin plug?
She wrote: Three pin connections reduce heating of connecting wires.
(i) Is her answer correct or incorrect? Justify. 2
(ii) What is the function of a fuse in a domestic circuit?
(Gene for Free ear lobe is represented by F and gene for attached ear lobe is represented
by f for writing the genetic constitution).
OR
Suresh’s parents have attached earlobes. What type of ear lobe can be seen in Suresh and his sister Siya? Explain by giving the genetic composition of all.
Vinita and Ahmed demonstrated a circuit that operates the two headlights and the two sidelights of a car, in their school exhibition. Based on their demonstrated circuit, answer the following questions.
39. (i) State what happens when switch A is connected to
a) Position 2
b) Position 3
(ii) Find the potential difference across each lamp when lit.
(iii) Calculate the current
a) in each 12 Ω lamp when lit.
b) In each 4 Ω lamp when lit.
OR
(iv) Show, with calculations, which type of lamp, 4.0 Ω or 12 Ω, has the higher power.
