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CBSE Class 10 Science Question Paper 2018: Analysis & Chapter wise Weightage

Nov 12, 2018 17:39 IST
    cbse class 10 science paper analysis
    cbse class 10 science paper analysis

    The Central Board of Secondary Education (CBSE) had conducted the CBSE Class 10 Science Exam on March 16, 2018.  In this article you will get the detail analysis of the CBSE Class 10 Science Question Paper 2018.


    1. CBSE has tested the whole NCERT syllabus
    2. Last year’s practical based question were in MCQ format but in 2018, all the Practical based question were subjective
    3. Chapter wise weightage:

    Chapter Name


    Chemical reactions and Equations

    2+2 PBQ

    Acids, bases and salts


    Metals and non metals

    5+2 PBQ

    Carbon and its compounds


    Periodic classification of elements 


    Life processes

    5+2 PBQ

    Control and co-ordination


    How do Organisms Reproduce?

    3+5+2 PBQ

    Heredity and Evolution


    Light: Reflection and Refraction

    2+3+2 PBQ

    Human Eye and Colourful World



    2+3+2 PBQ

    Magnetic effects of current


    Sources of energy


    Our environment


    Management of natural resources


    In the above table we have taken the OR questions too

    4. New observation / abnormalities:

    •  First ever PBQ from metals and non metals
    • No PBQ from carbon and its compound (from 2015 to 2017 at least 3 PBQ has been asked)
    • From chapter periodicity, question has been asked from the topic Dobereiner's triad and Newland octaves(from 2008 to 2017, no question asked on these topics)
    • Repeted questions from the chapter ‘’How do organism reproduce?’’(question had been asked on the budding in yeast and reproduction in amoeba and the same had been asked multiple time)
    • The same theoretical question regarding female reproductive system and placenta has been asked in from 2017 paper-This shows the importance of previous year papers
    • In 2018, Only one mark question asked from the chapter heredity and evolution while in previous years this chapter was having the weightage of 4 to 5 marks

    Difficulty Level Analysis:

    Easy: question directly given in NCERT:

    Medium: question involving the data and calculations

    Difficult: Question asked indirectly from NCERT

    Let’s have a the numbers of questions among all the above mentioned difficulty levels

    Easy Questions


    Medium Questions


    Dificult Questions


    Numerical questions:

    5 Numericals were asked, worth of 15 marks including questions in PBQ

    HOTS questions:

    2 HOTS Questions were asked, worth of 4 marks

    Important Observation:

    The whole question paper came from NCERT Book


    • Students must go through the sample paper released by CBSE to get the idea of marking Scheme
    • CBSE previous years’ papers solution is must as some times same questions get repeated in the question paper
    • Along with NCERT Book, student should also see the NCERT Exemplar book and solved the question
    • Revise each chapters at least 2 times

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