NCERT Exemplar Problems Class 10 Science Solutions: Practice MCQs for Tomorrow's CBSE Term 1 Exam

NCERT Exemplar Problems and Solutions for all chapters of CBSE Class 10 Science are provided here. These questions are important for the CBSE Class 10 Science Term 1 Exam 2021-22.

Created On: Dec 1, 2021 13:09 IST
NCERT Exemplar Problems & Solutions for CBSE Class 10 Science
NCERT Exemplar Problems & Solutions for CBSE Class 10 Science

NCERT Exemplar Problems and Solutions are very important for the CBSE Class 10 Science Term 1 Exam 2021-22. There are several MCQs and objective questions in the NCERT Exemplar Class 10 Science that will be very helpful for the Term 1 Exam preparations. You will get here comprehensive and precise solutions for Class 10 Science NCERT Exemplar problems. Subject matter experts at Jagran Josh have prepared chapter-wise detailed solutions for all the NCERT Exemplar problems for Class 10 Science.

A few important MCQs from the Class 10 Science NCERT Exemplar are:

1. Which of the following is not a physical change?

(a) Boiling of water to give water vapour

(b) Melting of ice to give water

(c) Dissolution of salt in water

(d) Combustion of Liquefied Petroleum Gas (LPG)

Answer. (d)

Explanation: A physical change involves only change in physical state whereas a chemical change results the formation of new substances. Boiling of water, melting of ice and dissolution of salt are physical changes as no new products are formed.

2. The following reaction is an example of a

4NH3 (g) + 5O2 (g) → 4NO (g) + 6 H2O (g)

1.Displacement reaction

2.Combination reaction

3.Redox reaction

4.Neutralisation reaction

            (a) 1 and 4

            (b) 2 and 3

            (c) 1 and 3

            (d) 3 and 4

Answer. (c)

Explanation:  A Redox reaction is combination of oxidation (removal of hydrogen) and reduction (addition of hydrogen). Displacement reaction involves displacement of some part of a compound with other atom like H atoms of NH3 are displaced by oxygen.

CBSE Class 10 Science Most Important Resources to Score High Marks in Term 1 Exam

3. An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

(a) Baking powder

(b) Lime

(c) Ammonium hydroxide solution

(d) Hydrochloric acid

Answer. (d)

Explanation:  Alkaline solutions turn red litmus paper to blue. Excess of acid will reverse the changes so we have to add excess of hydrochloric acid which turns the solution acidic.

4. Sodium carbonate is a basic salt because it is a salt of

(a) Strong acid and strong base

(b) Weak acid and weak base

(c) Strong acid and weak base

(d) Weak acid and strong base

Answer. (d)

Explanation: Sodium carbonate (Na2CO3) is the salt of carbonic acid (H2CO3) and sodium hydroxide (NaOH). Here NaOH is a strong base and carbonic acid is a weak acid.

CBSE Class 10 Science Exam Pattern and Marking Scheme for Term 1 Exam 2021-22

5. In which of the following groups of organisms, food material is broken down outside the body and absorbed?

(a) Mushroom, green plants, Amoeba

(b) Yeast, mushroom, bread mould

(c) Paramecium, Amoeba, Cuscuta

(d) Cuscuta, lice, tapeworm

Answer. (b)

Explanation:  Yeast, mushroom and bread mould are saprophytes which derive their nutrition from dead organisms. For the purpose, these organisms secrete digestive enzymes on their substratum to break down the complex food material into the simpler ones. These digested food materials are then absorbed by them.

Find below the Chapter-wise NCERT Exemplar Problems and Solutions for CBSE Class 10 Science:

Chapter 1: Chemical Reactions and Equations (Term 1)

Part 1

Part 2

Part 3

Chapter 2: Acid, Base and Salt (Term 1)

Part 1

Part 2

Part 3

Chapter 3: Metals and Non-Metals (Term 1)

Part 1

Part 2

Part 3

Chapter 4: Carbon and Its Compounds

Part 1

Part 2

Part 3

Chapter 5: Periodic Classification of Elements

Part 1

Part 2

Part 3

Chapter 6: Life Processes (Term 1)

Part 1

Part 2

Part 3

Chapter 7: Control and Coordination

Part 1

Part 2

Part 3

Chapter 8: How Do Organisms Reproduce

Part 1

Part 2

Part 3

Chapter 9: Heredity and Evolution

Part 1

Part 2

Part 3

Chapter 10: Light - Reflection and Refraction (Term 1)

Part 1

Part 2

Part 3

Chapter 11: The Human Eye and the Colourful World (Term 1)

Part 1

Part 2

Part 3

Chapter 12: Electricity

Part 1

Part 2

Part 3

Chapter 13: Magnetic Effects of Electric Current

Part 1

Part 2

Part 3

Chapter 14: Sources of Energy

Part 1

Part 2

Part 3

Chapter 15: Our Environment

Part 1

Part 2

Part 3

Chapter 16: Management of Natural Resources

Part 1

Part 2

Part 3

  • Part I comprises of Multiple Choice Questions
  • Part II comprises of Short Answer Type Questions
  • Part III comprises of Long Answer Type Questions

About NCERT Exemplar Problems:

NCERT Exemplars are basically the practice books having high-level questions that are meant for in-depth learning and improving the problem-solving skills among students. CBSE board exams sometimes contain in-depth questions which are generally picked from the problems given in NCERT Exemplar books. So, it is quite beneficial for students to thoroughly practice the NCERT Exemplar problems and learning to arrive at correct solutions.

Importance of NCERT Exemplar Problems

NCERT Exemplar problems are a very good resource for preparing critical questions like Higher Order Thinking Skill (HOTS) questions. Questions provided in the NCERT Exemplar not only make the preparation for Board Exams easy but are equally important for competitive/entrance exams as well.

Check below other NCERT articles for CBSE Class 10:

NCERT Book for Class 10 MathsNCERT Solutions for Class 10 Maths

NCERT Book for Class 10 Science  -  NCERT Solutions for Class 10 Science

NCERT Book Class 10 Social Science - NCERT Solutions for Class 10 Social Science

NCERT Book for Class 10 English - NCERT Solutions for Class 10 English

NCERT Book for Class 10 Hindi

NCERT Exemplar Solutions for Class 10 Maths

NCERT Exemplar Solutions for Class 10 Science

FAQ

Where can I find easy and correct answers for the Class 10 Science NCERT Exemplar problems?

You will get best answers for all questions given in the Class 10 Science NCERT Exemplar Book only at jagranjosh.com. All the answers provided here are prepared and reviewed by the subject experts.

Are there MCQ type questions given in the Class 10 Science NCERT Exemplar book?

Yes, the first part of the exercise of each chapter in the Exemplar book includes only MCQs. These MCQs are very important for CBSE Term 1 Exam.

How are NCERT exemplar problems important for board exam?

Many complex questions asked in board question papers are taken from NCERT Exemplar Problems only. These questions are good to prepare questions other than the NCERT questions.
Comment (1)

Post Comment

9 + 1 =
Post
Disclaimer: Comments will be moderated by Jagranjosh editorial team. Comments that are abusive, personal, incendiary or irrelevant will not be published. Please use a genuine email ID and provide your name, to avoid rejection.
  • Sonu kumarOct 22, 2021
    Very good
    Reply
    Replies:
    Arvind Kumar SharmaDec 1, 2021
    Useful for students