CBSE Class 10 Science Sample Paper 2019 Set B

Read and download PDF of CBSE Class 10 Science Sample Paper 2019 Set B 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 2019 Set B

Science Class 10 Sample Paper

SECTION - A

Q.1 Predict the maximum number of valence electrons possible for atoms in first period of periodic table. 

Q.2 In a beetle population, the number of green beetles is more than blue and red beetles.

Give a reason behind this situation. 

Q.3 Name the source of energy from which an ecosystem gets energy. 

Q.4 Recycling is considered as a welcome practice to deal with the environmental problems. Justify this statement with two arguments. 

Q.5 What is Chipko Movement ? Why should we conserve forest ? 

Q.6 A converging lens has a focal length of 250 mm. Calculate its power and express it according to sign convention.

Q.7 For plants like banana and oranges that have lost their capacity to produce seeds a different ways are used for increasing their number. Explain the method used for such plants. 

Q.8 Write structure of ethyl alcohol (ethanol) and identify its functional group. Give chemical equation of its reaction with

(i) sodium (ii) excess conc H2SO4 at 443 K 

Q.9 The atomic number of Na and Mg is 11 and 12 respectively and they belong to the same period.

(a) Which one would have smaller atomic size ?

(b) Which one would be more electropositive ?

(c) To which group would each one belong ?

Q.10 Explain how the tendency to gain electron changes from left to right across the period.
 
Q.11 Atomic no. of an element is 16. Write its configuration give the number of valence electrons. Find valency.
 
Q.12 “Fossils are helpful in developing evolutionary relationships”.
(a) Give a suitable reason in support of this statement.
(b) The dominant trait masks the effect of recessive trait and there is expression of only one trait. Explain briefly.
 
Q.13 Explain any three methods that can be used for avoiding pregnancy. 
 
Q.14 In an experiment, Mendel obtained 1014 plants, out of which 787 were having round seeds and 227 had wrinkled seeds in F2 generation :
(a) What was the approximate ratio obtained in F2 ?
(b) Under which law do you find this ratio ?
(c) Why is this law so called ?
 
Q.15 Variation is useful for the survival of species over time. But the variants have unequal chances of survival. Explain this statements
 
Q.16 Draw a neat diagram of eye and label on it – ciliary muscle, cornea, retina , iris. 
 
Q.17 (a) Explain how are we able to see nearby as well as the distant objects clearly.
(b) Why a rainbow is seen in the sky only after rainfall ?
 
Q.18 It is desired to obtain an erect image of an object using a concave mirror of focal length 20 cm.
(i) Mention the range of distance of the object from the mirror for which this is possible.
(ii) Will the image thus obtained be bigger or smaller than the object ?
(iii) Draw a ray diagram to show the image formation in this case.
 
Q.19 Mineral riches of the crust are either extracted or used. For every ton of metal a large amount of slag is discarded which damages the environment. Explain the kind of management that we need in this regard. Give any two values attained from this management system.
 
Q.20 Write the general formula of alkane and alkyne. Draw the electron dot structure of ethene and ethyne and write their molecular formula with structural formula.
 
Q.21 (a) Identify the type of method of reproduction as used by unicellular organisms.
Define the identified method.
(b) How can the above method be classified further ?
(c) Differentiate between the process of reproduction as seen in Amoeba and Leishmania.
 
Q.22 (a) What is speciation ?
(b) What are the factors that lead to speciation ?


Please click the below link to access CBSE Class 10 Science Sample Paper 2019 Set B

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Sample Paper Science Class 10

We hope you liked the above provided CBSE Class 10 Science Sample Paper 2019 Set B. 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 2019 Set B 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 2019 Set B 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 2019 Set B 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 2019 Set B 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

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Science Sample Paper Class 10 with Solutions

We have provided CBSE Class 10 Science Sample Paper 2019 Set B 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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