NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions

NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions

Edited By Safeer PP | Updated on Sep 06, 2022 05:15 PM IST

NCERT routinely publishes the NCERT exemplar books to provide the students with updated and additional training material consisting of higher-level practice problems. These books are designed to extend the learning curve of students of Class 9 and provide them with challenging problems, enhancing their understanding of the concepts. These NCERT Exemplar Solutions for Class 9 Science are designed via a meticulous process at Careers 360, which includes thorough research on the topics, developing a learning flow for each solution, and precise quality checks to provide error-free content. The NCERT exemplar Class 9 Science solutions provide the introduction of the concepts for every solution and build a sound understanding of the same using a step-by-step approach. NCERT exemplar Class 9 Science solutions deliver a unique approach to the students with which they can enhance higher-order problem-solving skills. These solutions provide answers to the questions of the types that may be asked for CBSE board exams.

This Story also Contains
  1. NCERT Science Exemplar Solutions Class 9 For All The Chapters:
  2. Important Features of NCERT Exemplar Class 9 Science Solutions by Careers 360:
  3. NCERT Exemplar Class 9 other subject solutions:
  4. How to Download From NCERT?
  5. Benefits or Features of NCERT Exemplar Class 9 Science Solutions:

NCERT Science Exemplar Solutions Class 9 For All The Chapters:

Important Features of NCERT Exemplar Class 9 Science Solutions by Careers 360:

NCERT exemplar Class 9 Science solutions chapter 1 provides solutions to a total of 27 questions which covers a wide range of topics ranging from classification of matter to sets of natural phenomena such as Diffusion, Solubility, Osmosis et cetra.

NCERT exemplar Class 9 Science solutions chapter 2 consists of fourty two solutions that covers numerical-based problems and practical-based problems demanding the students to identify the procedures to identify or separate constituents from given mixtures.

NCERT exemplar Class 9 Science solutions chapter 3 explores 48 questions based on students understanding of concepts such as atoms and molecules along with a wide spectrum of numerical-based practice problems on mole concept, molecular and atomic weights. The majority of questions of this chapter are numerical-based and should be practiced thoroughly.

NCERT exemplar Class 9 Science solutions chapter 4 delivers detailed solutions to 43 challenging problems based on the Structure of atoms. The problems posed in this chapter are on student’s understanding of different theories and experiments along with the study of orbitals.

NCERT exemplar Class 9 Science solutions chapter 5 consists of solutions to a large base of 59 questions and covers the student’s understanding of topics such as cell and its structure along with chromosomes, RNA, and DNA in an exhaustive manner.

NCERT exemplar Class 9 Science solutions chapter 6 comprises of solutions to 55 questions with a spectrum ranging from introduction to basics of tissues moving till properties and classification of tissues.

NCERT exemplar Class 9 Science solutions chapter 7 is a compilation of solutions to 57 problems based on diversity in living organisms. The solutions provided in this chapter covers the topics on organs, systems, diversity in animals and plants along with biodiversity.

NCERT exemplar Class 9 Science solutions chapter 8 provides elaborate solutions to 24 challenging problems on the chapter of Motion. The question bank of this chapter is mainly concentrated on numerical-based problems and tests the student’s understanding of the concept in an analytical way.

NCERT exemplar Class 9 Science solutions chapter 9 includes detailed solutions of numerical and theory based 20 questions. The problems of this chapter includes both numerical and conceptual questions to test the student’s grasp on the concept of Laws of Motion.

NCERT exemplar Class 9 Science solutions chapter 10 comprises of elaborate solutions of 26 very interesting problems based on the student’s understanding of newton’s law of gravitation, gravitational force on any object along with understanding and application of universal gravitational constant.

NCERT exemplar Class 9 Science solutions chapter 11 is a compilation of 28 solutions mainly consisting of numerical and concept based problems which exercises the student’s learning on work, mathematical definition of work, kinetic energy, potential energy and power.

NCERT exemplar Class 9 Science solutions chapter 12 provides elaborate solutions on the chapter of Sound consisting of 22 taxing problems. These problems range from numerical, theoretical to concept-based questions, testing the understanding of sound waves along with its parameters such as frequency, wavelength, and graphical representation of sound waves.

NCERT exemplar Class 9 Science solutions chapter 13 consists of 39 theory-based problems that test the learning of students on viruses, fungi, bacteria, and other disease-inducing pathogens along with the diseases caused by them. The problems of this chapter are mainly based on the information and knowledge gained while studying the chapter.

NCERT exemplar Class 9 Science solutions chapter 14 delivers exhaustive solutions to a whopping 56 questions based on the understanding of students of the natural resources such as minerals, water, and air. These solutions cover all the topics mentioned in the NCERT, for instance, understanding on Carbon Cycle, Water cycle, and greenhouse gases along with their effects.

NCERT exemplar Class 9 Science solutions chapter 15 discusses the chapter on Improvement in Food resources via 49 interesting problems ranging from learning of food resources such as crop, crop variety, crop management, animal husbandry, fish, and poultry.

NCERT Exemplar Class 9 other subject solutions:

How to Download From NCERT?

  1. Click on https://ncert.nic.in/exemplar-problems.php?ln=

  2. Select Class IX from the Exemplar Problem section.

  3. Click on the chapter.

  4. Download pdf.

Benefits or Features of NCERT Exemplar Class 9 Science Solutions:

  1. NCERT exemplar Class 9 Science solutions provides a good number of questions to practice NCERT Class 9 Science.

  2. It provides an in depth understanding of the main concepts of the chapters of Class 9 NCERT Science.

  3. NCERT exemplar Class 9 Science solutions provides questions of different types such as multiple choice questions, short answer type, fill-in-the-blanks questions, true/false, and long answer type.

NCERT Solution for Class 9 Subject Wise

NCERT Notes for Class 9 Subject Wise

Also, Check NCERT Books and NCERT Syllabus Here

Frequently Asked Questions (FAQs)

1. Is NCERT Exemplar Class 10 science sufficient to prepare for school level examinations?

 Yes, the number of questions provided in the NCERT exemplar are sufficient to prepare for examinations.

2. Is NCERT Exemplar Class 10 Science useful for JEE Mains, JEE Advanced and NEET?

NCERT Exemplar questions are of good quality and provide the students with  thinking and analytical skills that helps in the preparation of competitive exams.

3. Is the NCERT science book and NCERT exemplar Class 10 Science questions similar?

The NCERT Exemplar questions are different from the NCERT book questions. Exemplar questions give a good number of different types of practice questions and NCERT books gives questions to check conceptual clarity.  

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A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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