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 All about How to Ace Class 10 Science exam

Science exam for Class X by the CBSE focuses on testing basic concepts in all three areas namely chemistry, physics and biology. For some students it's the end of science studies and for others it's just the beginning. However, whichever area you choose to study in the future, you certainly can’t escape the Class X science exam. Our experts provide some tips for the students on how to ace this subject for the board exams. 

A. Paper pattern:

Weightage to content units

  • As per CCE guidelines the syllabus of Science for class X has been divided term wise.

  • Units specified for terms shall be assessed through both Formative and Summative assessments.

  • Each of the two formative assessments will carry 10% weightage in each term.

  • The summative assessment in the 1st term will carry 20% weightage and the summative assessment in the second term will carry 40% weightage.

  • Practical examination will be conducted through formative assessment once in every term with 20% weightage of total term marks.

  • 20% weightage will be given to Assessment of Practical skills through MCQ in every term end summative assessment.


  • Weightages given to Units in First Term (Total Marks= 80)


  • Weightages given to Units in Second Term (Total Marks= 80)


B. Weightage to the types of assessments:


Type of Assessment

%age of weightage

Term-wise weightage


First Term (April to September)

Formative Assessment-1

10 %

Formative Assessment 1+2 = 20%

Formative Assessment = 40%




Summative Assessment = 60%




Total = 100%

Formative Assessment-2

10 %

Summative Assessment-1

30 %

Summative Assessment-2= 30%

Second Term (October to March)

Formative Assessment-3

10 %

Formative Assessment 3+4 = 20%

Formative Assessment-4

10 %

Summative Assessment-2

30 %

Summative Assessment-2= 30%

Important Books to prepare for Class 10 Science exam:

While NCERT does remain an important book that a Class X student cannot choose to ignore, there are some other books from which the students can practice the questions and sample papers.

• Science - Textbook for class X - NCERT Publication

• Assessment of Practical Skills in Science - Class X - CBSE Publication

• Laboratory Manual - Science - Class X, NCERT Publication

• Science for Class 10: Physics by Lakhmir Singh and Manjit Kaur

• Science for Class 10: Chemistry by Lakhmir Singh and Manjit Kaur

• Biology for Class 10: by Lakhmir Singh and Manjit Kaur

Line of action:


  • You must get a grip on the fundamental concepts of the subject.

  • Majority of the exam contains direct formulae and theorem-based questions. Hence, revise them thoroughly to solve questions accurately.

  • You should use the formulae and theorems extensively in solving various problems from last years’ papers and model papers.


  • This high-scoring subject also requires lesser time for preparation which is great news for the students.

  • Through in-depth study of the subject and extensive practice, speed and accuracy in solving different problems can be acquired.

  • Also, one must study the name reactions and make charts of formulae along with names and revise them as and when possible.


  • As the subject includes lots of diagrams, one must give special attention to important diagrams and their theory. You should make sure that you remember the important terms and their respective functions.

  • The subject involves learning and memorising difficult terminology. It’s best to write such terms repeatedly so as to get acquainted with them.

  • One must be thorough with the important definitions as the subject is mostly theory.


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