CBSE Class 10 Science Question Paper Solved 2021 Set A

Read and download CBSE Class 10 Science Question Paper Solved 2021 Set A designed as per the latest question paper pattern and Class 10 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 10 Science have been provided with solutions which will help students to assess their performance and find out topics in Science Class 10 which they need to improve to get better marks in Class 10 exams. After solving these last year papers also refer to solved Sample Papers for Class 10 Science available on our website to build strong understanding of the subject

Science Question Paper Class 10

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

Science Class 10 Question Paper

SECTION A
 
1 Name the cells that surround a stoma in leaf. 
 
2 How does Spirogyra reproduce? 
 
3 The atomic numbers of three elements X,Y& Z are 7,15 and 17 respectively. Which two of these elements will show similar chemical properties? Why?
 
4 Write any two methods in which the efficiency of a solar cooker can be improved? 
 
5 How much current will an electric bulb draw from 220 V source if the resistance of the bulb is  1200 ohm? If in place of bulb, when a heater is used the current drawn is 2.2 A. Calculate the resistance of the heater.
 
6 An object of height 2 cm is placed perpendicular to the principal axis, at a distance of 10 cm from a convex mirror. The mirror has a focal length 15 cm. Find the position and size of the image.
 
7 (i) What is hypermetropia?
 
(ii) Write the cause of hypermetroipa?
 
(iii) Draw the ray diagram showing how hypermetropia is corrected?
 
8 A reddish brown powder „Z‟ is heated in the presence of air in glass tube A.
CBSE Class 10 Science Question Paper Solved 2021 Set A
 
a) Identify Z and the colour of the CuO formed in glass tube A.
 
b) What type of reaction takes place in glass tube B? Write the chemical equation.
 
9 Given below are some elements of the Modern Periodic table.
 
                   6C ,8O, 10Ne, 11 Na, 14Si
 
a) Select the element that has one electron in the outermost shell and write the electronic configuration.
 
b) Select two elements that belong to the same group. Give reason for your answer.
 
c) Select two elements that belong to the same period. Which one has bigger atomic size?
 
10 a) How is glottis different from epiglottis? State their function.
 
b) Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
                                      OR
State the function of
 
a) pulmonary arteryb) Red blood cellsc) Blood Platelets
 
11 a) Distinguish between acquired and inherited traits giving one example of each
 
b) What are homologous organs? Give an example
 
12 Name the device that converts electrical energy into mechanical energy. Draw the labeled diagram and write the working principle of this device.
                                      OR
(i) How is an ammeter connected in an electric circuit? Give reason.
 
(ii) List out advantages of parallel combination of appliances over series combination in domestic circuit.
 
13 a) What is universal indicator?

 

Please click on below link to download CBSE Class 10 Science Question Paper Solved 2021 Set A

2012
CBSE Class 10 Science Question Paper 2012 (1)
CBSE Class 10 Science Question Paper 2012 (2)
CBSE Class 10 Science Question Paper 2012 (3)
CBSE Class 10 Science Question Paper 2012 (4)
CBSE Class 10 Science Question Paper 2012 (5)
CBSE Class 10 Science Question Paper 2012 (6)
CBSE Class 10 Science Question Paper 2012 (7)
CBSE Class 10 Science Question Paper 2012 (8)
CBSE Class 10 Science Question Paper 2012 (9)
CBSE Class 10 Science Question Paper 2012 (10)
CBSE Class 10 Science Question Paper 2012 (11)
CBSE Class 10 Science Question Paper 2012 (12)
CBSE Class 10 Science Question Paper 2012 (13)
CBSE Class 10 Science Question Paper 2012 (14)
CBSE Class 10 Science Question Paper 2012 (15)
CBSE Class 10 Science Question Paper 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (1)
CBSE Class 10 Science Question Paper SA 2 2012 (2)
CBSE Class 10 Science Question Paper SA 2 2012 (3)
CBSE Class 10 Science Question Paper SA 2 2012 (4)
CBSE Class 10 Science Question Paper SA 2 2012 (5)
CBSE Class 10 Science Question Paper SA 2 2012 (6)
CBSE Class 10 Science Question Paper SA 2 2012 (7)
CBSE Class 10 Science Question Paper SA 2 2012 (8)
CBSE Class 10 Science Question Paper SA 2 2012 (9)
CBSE Class 10 Science Question Paper SA 2 2012 (10)
CBSE Class 10 Science Question Paper SA 2 2012 (11)
CBSE Class 10 Science Question Paper SA 2 2012 (12)
CBSE Class 10 Science Question Paper SA 2 2012 (13)
CBSE Class 10 Science Question Paper SA 2 2012 (14)
CBSE Class 10 Science Question Paper SA 2 2012 (15)
CBSE Class 10 Science Question Paper SA 2 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (17)
CBSE Class 10 Science Question Paper SA1 2012
CBSE Class 10 Science Question Paper SA2 2012 (1)

CBSE Class 10 Science Question Paper Solved 2021 Set A

We hope you liked the above provided CBSE Class 10 Science Question Paper Solved 2021 Set A. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 10 students to refer to CBSE Class 10 Science Question Paper Solved 2021 Set A that we have provided above. Students can download all the Question Papers for Class 10 Science which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 10 Science Question Paper Solved 2021 Set A PYP (previous year papers) 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. You can download CBSE Class 10 Science Previous Year Question Papers and Class 10 Science Sample Papers in PDF. 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.
 

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