CBSE Class 10 Science Sample Paper Solved 2021 Set E

Science
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Read and download PDF of CBSE Class 10 Science Sample Paper Solved 2021 Set E designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Class 10 which they need to study more to get better marks in Class 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 10 Science Pdf

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Class 10 exams. Please download CBSE Class 10 Science Sample Paper Solved 2021 Set E

Science Class 10 Sample Paper

SECTION A
 
1. Why reproduction is considered to be an essential phenomenon in organisms? 
 
2. What is Ganga action plan? 
 
SECTION B
 
3. i) What is meant by water harvesting?
 
ii) Write two advantages of storing water in the ground.
 
4. Compare and contrast bio-mass and hydroelectricity as a source of energy
 
                                                               OR
 
What are the four characteristics of a good source of energy?
 
5. State the difference between acquired trait and inherited trait. 
 
SECTION C
 
6. (a) Why tungsten is used in making filament of an electric lamp?
 
b) Calculate which of the given electric appliance uses more energy, a 250 W refrigerator in 1 hr, or a 1200 W toaster in 10 minutes?
 
7. (a) Define absolute refractive index.
 
(b) The speed of light in an unknown medium is measured to be 2.76 x 108 m/s. Speed of light in vacuum is 3 x 108 m/s. What is the refractive index of the medium?
 
8. (a) Draw a neat diagram showing how a magnetic field is produced around a current carrying circular loop.
 
(b) What is the working principle of (i) electric motor (ii) electric generator?
 
                                                                OR
 
(a) Describe Oersted’s experiment with the help of a neat diagram.
 
(b) State the rule which determines the direction of magnetic field thus produced.
 
9. An object is placed at a distance of 15 cm from a convex mirror of focal length 10 cm. Find the position and nature of the image. Also draw the respective ray diagram.
 
10. With reference to electrolytic refining of impure copper, answer the following:
 
i) What is the electrolyte used?
 
ii) Name the anode and cathode.
 
iii) What happens when electric current is passed through the electrolyte?
 
11. A few crystals of FeSO4 are heated in a boiling tube.
 
i) State the colour change that happens during the heating.
 
ii) Name the gases produced during heating.
 
iii) Give the balanced chemical equation for the reaction.
  
                                                             OR
 
i) What are electrovalent compounds? Write two properties of such compounds.
 
ii) Give the electron dot formula of magnesium chloride (MgCl2).
 
12. i) Draw & name the isomers of butane.
 
ii) Write the formula & name of a compound having the functional group:
 
a)▬CHO b) ▬COOH c) ▬CO▬
 
13. The genotype of a pea plant producing violet flower is denoted by VV and that of a pea plant producing white flower is denoted by vv. When are these two crossed?
 
a) What colour of the flower would you expect in the F1 progeny?
 
b) Give the percentage of violet flower plant if F1 plants are self pollinated?
 
c) In what ratio would you find the genotype of VV and Vv in the F2 progeny?
 
14. a) Give any two advantages of vegetative propagation.
 
b) What are sexually transmitted diseases? Give examples for bacterial and viral diseases.
 
                                                            OR
 
a) What are the functions performed by the testis in human beings?
 
b) What is placenta? Write two functions of the same.
 
15. Mention the role of decomposers in an ecosystem. 
 
SECTION D
 
16. (a) Explain why fuse wire is used as a safety device in an electrical circuit.
 
(b) What is the principle behind the working of fuse wire?
 
(c) With the help of a labelled diagram explain the working of a domestic electric circuit.
 
                                                         OR
 
(a) Define electromagnetic induction.
 
(b) Explain with the help of a labelled diagram how current is induced in a secondary coil due
 
to the magnetic field generated in the primary coil.
 
(c) State the rule that shows the direction of induced current.
 
17. (a) How does human eye adjust itself to deal with light of varying intensity?
 
(b) What do you mean by Presbyopia?
 
(c) What are the causes of Presbyopia and how can this defect of vision be corrected?
 
(d) A person having myopic eye uses concave lens of focal length 40cm. What is the power of the lens?
 
18. a) The position of three elements A , B & C in the periodic table are given below.
 
CBSE Class 10 Science Sample Paper Solved 2021 Set E 1
 
i) State whether ‘A’ is a metal or non-metal.
 
ii) State whether ‘C’ is more reactive or less reactive than ‘A’.
 
iii) Will ‘C’ be larger or smaller in size than ‘B’ and why?
 
iv) Which type of ion will be formed by ‘A’?
 
b) Why are group 17 elements called halogens?
 
c) Name three elements with filled outermost shell. Mention their group in the modern periodic table.
 
i) What are amphoteric oxides? Select such oxides amongst the following oxides:
 
Na2O , ZnO , CO2, Al2O3 , K2O
 
ii) List any two chemical properties of acids with balanced equations.
 
iii) Acids cannot be stored in metallic containers. Why?
 
19. i) What do you understand by a homologous series? Explain giving one example of a homologous series.
 
ii) Give one example of a cyclic hydrocarbon with three double bonds & draw its structural formula.
 
iii) Explain the terms : (a) Isomer (b)Functional group
 
20. a) Draw a neat diagram of a typical neuron and label any four parts.b)
 
b) How are brain and spinal cord protected in our body?
 
c) What are synapses?
 
21. a) Give reason for the following
 
(i) Lung alveoli are covered with blood capillaries
 
(ii) Wall of the trachea is supported with cartilaginous rings
 
b) Due to some disease, acid secretion in the stomach is reduced in a man. How will this condition affect his digestion? Identify a secretion involved in digestion which is not an enzyme.
 
c) What is the role of saliva in the digestion of food?
 
                                                         OR
 
a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide in man and label any four parts
 
b) Mention the role of valves in the heart.
 
c) Name the blood vessel that brings oxygenated blood to the heart.
 
SECTION E
 
22. How many times will the equivalent resistance of two identical resistors be increased if the parallel arrangement is changed to series arrangement?
 
                                                         OR
 
How you would connect three resistors, each of resistance 6 Ohm, so that the combination has a resistance of (i) 9 Ω, (ii) 4 Ω
 
23. (a) Draw a neat labelled ray diagram showing the refraction of light through a glass prism.
 
(b) What are the factors on which the angle of deviation depends?
 
24. When a metal ‘X’ is added to a salt solution of a metal ‘Y’ , the following chemical reaction takes place. Metal ‘X’ + Salt solution of ‘Y’ ▬> Salt solution of ‘X’ + metal ‘Y’.
 
i) Mention the inference you draw regarding the activity of metal ‘X’ & ‘Y’
 
ii) Name the type of the reaction.
 
                                                        OR
 
i) List any two observations which you make when add a pinch of sodium hydrogen carbonate to ethanoic acid in a test tube.
 
ii) What is the colour observed when a pH paper is dipped in lemon juice?
 
25. a) Write the types of reactions observed in the following cases.
 
i) Adding water to quick lime.
 
ii) Heating of copper sulphate crystals.
 
iii) Mixing aqueous solutions of barium chloride & sodium sulphate.
 
b) Name the acid present in vinegar solution.
 
26. Describe the mechanism of opening and closing of stomata. 
 
27. Mention the observations of the process of binary fission in Amoeba
 
                                                          OR
 
A student observed a permanent slide showing asexual reproduction in yeast. Draw diagrams of the observation he must have made from the slide. Also name the process.

 

Please click on below link to download CBSE Class 10 Science Sample Paper Solved 2021 Set E

2024
CBSE Class 10 Science Sample Paper 2024
2023
CBSE Class 10 Science Sample Paper 2023
CBSE Class 10 Science Sample Paper 2023 Set A
CBSE Class 10 Science Sample Paper 2023 Set B
2022
CBSE Class 10 Science Sample Paper Solved 2022 Set A
CBSE Class 10 Science Sample Paper Solved 2022 Set B
CBSE Class 10 Science Sample Paper Solved 2022 Set C
CBSE Class 10 Science Term 1 Sample Paper Solved 2022
CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set A
CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set B
CBSE Class 10 Science Term 2 Sample Paper Solved 2022 Set C
2021
CBSE Class 10 Science Boards 2021 Sample Paper Solved
CBSE Class 10 Science Sample Paper Solved 2021 Set A
CBSE Class 10 Science Sample Paper Solved 2021 Set B
CBSE Class 10 Science Sample Paper Solved 2021 Set C
CBSE Class 10 Science Sample Paper Solved 2021 Set D
CBSE Class 10 Science Sample Paper Solved 2021 Set E
CBSE Class 10 Science Sample Paper Solved 2021 Term 1 Set A
CBSE Class 10 Science Sample Paper Solved 2021 Term 1 Set B
2020
CBSE Class 10 Science Boards 2020 Sample Paper Solved
CBSE Class 10 Science Sample Paper 2020 Set B
CBSE Class 10 Science Sample Paper 2020 Set C
CBSE Class 10 Science Sample Paper 2020 Set D
CBSE Class 10 Science Sample Paper Solved 2020 Set A
2019
CBSE Class 10 Science Sample Paper 2019 Set A
CBSE Class 10 Science Sample Paper 2019 Set B
CBSE Class 10 Science Sample Paper 2019 Set C
CBSE Class 10 Science Sample Paper 2019 Set D
CBSE Class 10 Science Sample Paper 2019 Set E
CBSE Class 10 Science Sample Paper 2019 Set F
CBSE Class 10 Science Sample Paper 2019 Set G
CBSE Class 10 Science Sample Paper 2019 Set H
CBSE Class 10 Science Sample Paper 2019 Solved
2018
CBSE Class 10 Science Sample Paper 2018 Set A
CBSE Class 10 Science Sample Paper 2018 Set C
CBSE Class 10 Science Sample Paper 2018 Set D
CBSE Class 10 Science Sample Paper 2018 Set E
CBSE Class 10 Science Sample Paper 2018 Set F
CBSE Class 10 Science Sample Paper 2018 Set G
CBSE Class 10 Science Sample Paper 2018 Set H
CBSE Class 10 Science Sample Paper 2018 Set I
CBSE Class 10 Science Sample Paper 2018 Set J
CBSE Class 10 Science Sample Paper 2018 Set K
CBSE Class 10 Science Sample Paper 2018 Set L
CBSE Class 10 Science Sample Paper 2018 Solved Set B
2017
CBSE Class 10 Science Sample Paper 2017 Set A
CBSE Class 10 Science Sample Paper 2017 Set B
CBSE Class 10 Science Sample Paper 2017 Set C
CBSE Class 10 Science Sample Paper 2017 Set D
CBSE Class 10 Science Sample Paper 2017 Set E
CBSE Class 10 Science Sample Paper 2017 Set F
CBSE Class 10 Science Sample Paper 2017 Set G
CBSE Class 10 Science Sample Paper 2017 Set H
CBSE Class 10 Science Sample Paper 2017 Set I
CBSE Class 10 Science Sample Paper 2017 Set J
CBSE Class 10 Science Sample Paper 2017 Set K
CBSE Class 10 Science Sample Paper 2017 Set L
2015
CBSE Class 10 Science Sample Paper 2015 Set A
CBSE Class 10 Science Sample Paper 2015 Set B
CBSE Class 10 Science Sample Paper 2015 Set C
CBSE Class 10 Science Sample Paper 2015 Set D
CBSE Class 10 Science Sample Paper 2015 Set E
CBSE Class 10 Science Sample Paper 2015 Set F
CBSE Class 10 Science Sample Paper 2015 Set G
CBSE Class 10 Science Sample Paper 2015 Set H
CBSE Class 10 Science Sample Paper 2015 Set I
CBSE Class 10 Science Sample Paper 2015 Set J
CBSE Class 10 Science Sample Paper 2015 Set K
CBSE Class 10 Science Sample Paper 2015 Set L
2014
CBSE Class 10 Science Sample Paper 2014 Set A
CBSE Class 10 Science Sample Paper 2014 Set B
CBSE Class 10 Science Sample Paper 2014 Set C
CBSE Class 10 Science Sample Paper 2014 Set D
CBSE Class 10 Science Sample Paper 2014 Set E
CBSE Class 10 Science Sample Paper 2014 Set F
CBSE Class 10 Science Sample Paper 2014 Set G
CBSE Class 10 Science Sample Paper 2014 Set H
CBSE Class 10 Science Sample Paper 2014 Set I
CBSE Class 10 Science Sample Paper 2014 Set J
CBSE Class 10 Science Sample Paper 2014 Set K
CBSE Class 10 Science Sample Paper 2014 Set L
CBSE Class 10 Science Sample Paper 2014 Set M
CBSE Class 10 Science Sample Paper 2014 Set N
2013
CBSE Class 10 Science Sample Paper 2013 Set A
CBSE Class 10 Science Sample Paper 2013 Set B
CBSE Class 10 Science Sample Paper 2013 Set C
CBSE Class 10 Science Sample Paper 2013 Set D
CBSE Class 10 Science Sample Paper 2013 Set E
CBSE Class 10 Science Sample Paper 2013 Set F
CBSE Class 10 Science Sample Paper 2013 Set G
CBSE Class 10 Science Sample Paper 2013 Set H
CBSE Class 10 Science Sample Paper 2013 Set I
CBSE Class 10 Science Sample Paper 2013 Set J
CBSE Class 10 Science Sample Paper 2013 Set K
CBSE Class 10 Science Sample Paper 2013 Set L
2012
CBSE Class 10 Science Sample Paper 2012 Set A
CBSE Class 10 Science Sample Paper 2012 Set B
CBSE Class 10 Science Sample Paper 2012 Set C
CBSE Class 10 Science Sample Paper 2012 Set D
CBSE Class 10 Science Sample Paper 2012 Set E
CBSE Class 10 Science Sample Paper 2012 Set F
CBSE Class 10 Science Sample Paper 2012 Set G
CBSE Class 10 Science Sample Paper 2012 Set H
CBSE Class 10 Science Sample Paper 2012 Set I
* More Sample Papers
CBSE Class 10 Science Chapter Weightage
CBSE Class 10 Science Practical Skills Sample Paper Set A
CBSE Class 10 Science Practical Skills Sample Paper Set B
CBSE Class 10 Science Practical Skills Sample Paper Set C
CBSE Class 10 Science Sample Paper Set A
CBSE Class 10 Science Sample Paper Set B
CBSE Class 10 Science Sample Paper Set C
CBSE Class 10 Science Sample Paper Set D
CBSE Class 10 Science Sample Paper Set E
CBSE Class 10 Science Sample Paper Set F
CBSE Class 10 Science Sample Paper Set G
CBSE Class 10 Science Sample Paper Set H
CBSE Class 10 Science Sample Paper Set I
CBSE Class 10 Science Sample Paper Set J
CBSE Class 10 Science Sample Paper Set K
CBSE Class 10 Science Sample Paper Set L
CBSE Class 10 Science Sample Paper Set M
CBSE Class 10 Science Sample Paper Set N
CBSE Class 10 Science Sample Paper Set N Solved

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Sample Paper Science Class 10

We hope you liked the above provided CBSE Class 10 Science Sample Paper Solved 2021 Set E. To get an understanding of the type of questions which were asked in exams, it is important for Class 10 students to refer to CBSE Class 10 Science Sample Paper Solved 2021 Set E that we have provided above. Students can download the Sample Paper for Class 10 Science which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 10 Science Sample Paper Solved 2021 Set E for Class 10 Science you will easily understand the way examination Sample Paper are set by teachers.

Class 10 Science Sample Paper

The latest Sample Paper CBSE Class 10 Science Sample Paper Solved 2021 Set E covers all the topics which have been suggested by CBSE in their Class 10 Science syllabus for the current year. By doing CBSE Class 10 Science Sample Paper Solved 2021 Set E you will understand the regular questions and MCQ questions for Class 10 Science which are always asked and learn them so that you can get full marks in those questions.

Class 10 Science Model Question Paper Pdf Download

We have provided link above of CBSE Class 10 Science Sample Paper Solved 2021 Set E in Pdf format so that you can just click the links and easily download the papers with answers. On studiestoday, we have also provided a download and print option for all CBSE Class 10 Science latest Sample Papers for Class 10 Science to make it more easy for students. You can download CBSE Class 10 Science Sample Paper and Class 10 Science Question Papers in PDF absolutely free of cost.

Science Sample Paper Class 10 with Solutions

We have provided CBSE Class 10 Science Sample Paper Solved 2021 Set E with solutions. You will be able to understand the type of answers which you should write in Class 10 Science exams to score good marks. You should attempt all the last year question paper for Class 10 and Class 10 Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 10 Science set their questions in the exams.

CBSE Class 10 Science Sample Paper with solutions

We have provided the current year Class 10 Science Sample Paper. Students who want to practice Sample Paper from all previous years can easily get them on studiestoday. We are the leading website in India from which you can download all the latest Class 10 Science study material for free as per the CBSE syllabus for Class 10 Science for the current academic year.

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