CBSE Important Questions for Class 9 Science
Class 9 science is the foundation for higher classes as the student appears for the first board examination in class 10. It introduces students to some core concepts, and they should have a thorough understanding of the basics of science. By solving important questions in Class 9 Science, students will understand how to answer the question flawlessly by using diagrams, graphs, and formulae wherever they are required.
CBSE important questions in class 9 science include MCQs, very short answer type questions, long answer type questions, assertion reason-based questions, and case study-based questions. Hence, to better understand the concept, students may refer to important questions in Science Class 9 and previous years’ question papers.
By referring to Extramarks’ important questions in class 9 science, students will get an idea of what type of questions would be asked in the examination. By practicing them, students will understand the concept in-depth in physics, chemistry and biology. So, the foundation is set in class 9 so that it is easier for students to move on to difficult topics in Class 10.
NCERT books are considered the best source as they are framed by experts after a lot of study on the topics and are drafted as per the CBSE syllabus. In addition to these books, students may refer to chapter notes, revision notes and various other study materials provided by Extramarks.
Class 9 Science Important Questions with Answers
Also, get access to CBSE Class 9 Science Important Questions for other chapters too:
Topics in Science Class 9
Unit I: Matter-Nature and Behaviour
Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of statemelting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation,
sublimation.
Nature of matter: Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. Physical and chemical changes (excluding separating the components of a mixture).
Particle nature and their basic units: Atoms and molecules, Law of Chemical Combination,
Chemical formula of common compounds, Atomic and molecular masses.
Structure of atoms: Electrons, protons and neutrons, Valency, Atomic Number and Mass Number, Isotopes and Isobars
Unit II: Organization in the Living World
Cell – Basic Unit of life: Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes – basic structure, number.
Tissues, Organs, Organ System, Organism: Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).
Unit III: Motion, Force and Work
Motion: Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, elementary idea of uniform circular motion.
Force and Newton’s laws: Force and Motion, Newton’s Laws of Motion, Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration.
Gravitation: Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Free fall.
Floatation: Thrust and Pressure. Archimedes’ Principle; Buoyancy.
Work, Energy and Power: Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy (excluding commercial unit of Energy).
Sound: Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo.
Unit IV: Food Production
Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.
Marks Weighatge for Questions for Class 9 Science
In addition to answering the 9th class Science important question, it is also vital to understand the mark weightage that each chapter or topic holds. Below is the breakdown of the chapter and the weightage. The table shows the details of the points assigned to each unit. Based on this breakdown of the points, the CBSE Class 9 question paper will be framed. This helps the students plan their studies in advance.
| Unit No. |
Unit |
Marks |
| I |
Matter – Its Nature and Behaviour |
25 |
| II |
Organization in the Living World |
22 |
| III |
Motion, Force and Work |
27 |
| IV |
Food; Food Production |
06 |
| Total |
|
80 |
|
Internal assessment |
20 |
| Grand Total |
|
100 |
Important Questions for Class 9 Science- Chapter-Wise Questions
Important questions are a vital part of a student’s study plan. They help them understand which topic to concentrate on and how they can get better marks during their examination. In addition, these questions help students revise the chapter. Students may click on the links given below to check the chapter wise important questions in class 9 Science.
Chapter 1. Matter in our surrounding
Chapter 2. Is matter around us pure
Chapter 3. Atoms and molecules
Chapter 4. Structure of the atom
Chapter 5. The fundamental unit of life
Chapter 6. Tissue
Chapter 7. Diversity in Living Organisms.
Chapter 8. Motion
Chapter 9. Force and laws of motion
Chapter 10. Gravitation
Chapter 11. Work and energy
Chapter 12. Sound
Chapter 13. Why do we fall ill?
Chapter 14. Natural resources
Chapter 15. Improvement in food resources
Practising the important questions in class 9 Science prepares the student well with each topic. Students may practice chapter-wise to get a clear picture of their understanding of the chapter. If the students practise important questions according to the weightage of marks, that will help them to score well in exams.
In addition to important questions in class 9 Science, students may also access various study materials by clicking on the respective links below.
Important Sources Class 9 Science
CBSE revision notes for Science
CBSE sample papers for Science
CBSE previous year question papers for Science
CBSE extra questions for Science
Benefits Of Solving Important Questions for Class 9 Science:
Some of the vital benefits of referring to Extramarks important questions in class 9 Science include:
- After referring to these important questions in class 9 Science, the student will be more familiar with the kind of question that is asked in the final examinations.
- It develops skills for various questions that are generally missed by students.
- Solving important questions in class 9 Science will uplift the confidence of students.
- Science is a subject where the answers cannot be learnt by heart; students must understand the concept to answer the questions. So, solving important questions in class 9 Science will help students to grasp the concept.
- Solving sample papers will help students to assess the time they can take in exams.
- Students will be able to revise everything and cover the entire syllabus.
- By practising the important questions class 9 Science students can understand their strengths and weaknesses in the topic.
Students may refer to the Extramarks important questions in class 9 Science as they see fit. While some students benefit from using it to understand whether they have successfully studied the chapter, others use them to revise for their examinations.