Class 9  Biology  Online Learning.

Read & Practice Class 9th Biology : Read,Practice and Mock Tests Online with immediate performance report for the preparation of 9th class syllabus for CBSE,NTSE,IEO,IMO,NSO etc. School Connect is the intelligent computer system that uses a complex and dynamic adaptive learning system based on the current student learning need and their academic development. The Learning tool developed to establish a guided learning process, so no student left unattended irrespective of their learning ability. All learning and understanding assisted by more then 38000+ videos with various resources to support learning with guidance.

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With School Connect enjoy the best online guided learning and practice process for Class 9th Examination, CBSE,NTSE,IMO,IEO,NSO, Foundation JEE and NEET,with unlimited topic based easy to understand notes and videos lectures selected especially for overall and easy academic development.

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  • Online Chapter-wise Practice and Tests: The modus operandi to have a learning and practice concept by attempting every chapters with every topics  has progressive levels of test in increasing order of difficulty-level.
  • Daily Practice Problems (DPP): As you learn more and more topics during the preparation cycle, it is imperative to practice and test all topics to memorise them thoroughly
  • Online Test Series (OTS): Time Management, Preparation and Proper Exam Management with error free environment. It’s an essential tool for the success in any exams like CBSE,NTSE,IMO,IEO,NSO, Foundation JEE and NEET.So Online Mock Tests is the answer for final success.

NCERT Solutions for Class 9 Biology

Read Notes and Videos,Practice,Mock Tests for Class 9 Biology

Practice questions and NCERT Solutions for Class 9

Biology is one of the vital subjects in Science stream and it is also of very much importance while preparing for various competitive exams and hence it is essential to prepare it from the very beginning. Understanding the concepts and applying them in the provided situation can improvise your learning as well as knowledge ability.

Biology is a very important resource for students of CBSE Class 9.Biology is an interesting subject for the enhancement of analytical and problem solving skills.

Unfortunately, many students find it difficult because of no interest or lack of better knowledge to comprehend. Biology is really a difficult subject but very interesting when comprehended well and practice with easy to hard problems and students find it difficult because most of them do not have their basics clear for the subject. Lack of sufficient practice tool is a major reason why solving Mathematical problems seems a tough nut to crack.

School Connect Online students are not only solving and understanding questions from Biology from NCERT or Syllabus but also they are solving questions to practice Biology Olympiad this helps students to become expert

To help you with this, we have learning notes and videos, Practice questions for NCERT, NEET, with Solutions for Class 9 Biology.

Practice NCERT Questions with Solutions for Class 9 Biology

NCERT solutions of Class 9 Biology includes solutions of all questions and more to help and support practice with more relevant and important questions. These solutions have been provided and prepared by the most experienced teachers and important resources. A very simple approach has been followed while solving the questions and designing the NCERT Solutions for Class 9 Biology. Students will find it extremely easy to understand the problems and how to go about solving them.

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You can then go through the detailed, step-wise solutions for each and every question for that chapter.

Unlike other subjects, rote learning cannot help you to excel in Biology,as it requires more Learning approach and critical ability to think and solve. Even for other subjects, rote learning is not recommended as it won’t be of much use after a point of time. Biology, from the very beginning, needs one to think logically to enhance analytical ability. But just because the subject needs logical thinking and analytical skills does not mean it is tough. Biology needs practice and with practice, anything can be perfected, even the way you think and analyze.
So, it is of utmost importance to take Biology seriously right from your early school life. Getting your basics clear at this point will make it easier for you to handle difficult concepts as you grow older.

Biology of Class 9 standard plays a vital role in strengthening the fundamentals of the subject with comprehensive analysis. It is at this point, Biology goes beyond simple addition, subtraction, multiplication, and division and move onto more complex concepts to practice and understand .So, one must prepare for this subject in a serious manner and get all their doubts clear,with maximum practice more and more to master the problem solving skill. Otherwise, they won’t be able to cope with the subject later, especially if they are planning to take up Science in their Higher Secondary level.

CBSE Class 9 Syllabus For Science

The marks distribution for every unit in the CBSE Class 9 syllabus for Science are tabulated below:

CBSE Class 9 Syllabus: Unit-wise Marks Distribution



Unit 1: Matter – Its Nature And Behavior


Unit 2: Organisation In The Living world


Unit 3: Motion, Force, And Work


Unit 4: Our Environment


Unit 5: Food Production




Detailed CBSE Class 9 Syllabus For Science

CBSE Class 9 Syllabus

Unit 1: Matter – Its Nature And Behavior (50 Periods)

Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.

Nature of matter: Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions.

Particle nature, basic units: Atoms and molecules, Law of constant proportions, Atomic and molecular masses.

Mole concept: Relationship of mole to mass of theparticles and numbers.

Structure of atoms: Electrons, protons and neutrons, valency, chemical formula of common compounds. Isotopes and Isobars.

Unit 2: Organisation In The Living World (45 Periods)

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).

Biological Diversity: Diversity of plants and animals – basic issues in scientific naming, basis of classification. Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms). Major groups of animals (salient features) (Nonchordates upto phyla and chordates upto classes).

Health and Diseases: Health and its failure. Infectious and Non-infectious diseases, their causes and manifestation. Diseases caused by microbes (Virus, Bacteria and Protozoans) and their prevention; Principles of treatment and prevention. Pulse Polio programmes.

Unit 3: Motion, Force, And Work (60 Periods)

Motion: Distance and displacement, velocity; uniform and non-uniform motion along a staight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, derivation of equations of motion by graphical method; 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. Elementary idea of conservation of Momentum.

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; ElementaryIdea of Relative Density.

Work, energy and power: Work done by a Force, Energy, Power; Kinetic andPotential energy; Law of conservation 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 and SONAR. Structure of the Human Ear (Auditory aspect only).

Unit 4: Our Environment (15 Periods)

Physical resources: Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India. Air, Water and Soil pollution (brief introduction). Holes in ozone layer and the probable damages.

Bio-geo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.

Unit 5: Food Production (10 Periods)

Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.

It is to be noted that out of 80 marks annual exam of Science, 68 marks are for theory and 12 marks for practicals. Let us now look at the CBSE Class 9 syllabus for Science practicals.

CBSE Class 9 Syllabus For Science Practicals

CBSE Class 9 Syllabus For Science Practicals

List Of Experiments

1. Preparation of:

(a) A true solution of common salt, sugar and alum

(b) A suspension of soil, chalk powder and fine sand in water

(c) A colloidal solution of starch in water and egg albumin/milk in water and distinction between these on the basis of:

  •    i. Transparency
  •    ii. Filtration criterion
  •    iii. Stability

2. Preparation of

(a) A mixture

(b) A compound using iron filings and sulphur powder and distinction between these on the basis


  •    i. Appearance, i.e., homogeneity and heterogeneity
  •    ii. Behaviour towards a magnet
  •    iii. Behaviour towards carbon disulphide as a solvent
  •    iv. Effect of heat

3. Separation of the components of a mixture of sand, common salt and ammonium chloride (or camphor).

4. Performing the following reactions and classifying them as physical or chemical changes :

(a) Iron with copper sulphate solution in water

(b) Burning of magnesium ribbon in air

(c) Zinc with dilute sulphuric acid

(d) Heating of copper sulphate crystals

(e) Sodium sulphate with barium chloride in the form of their solutions in water.

5. Preparation of stained temporary mounts of (a) onion peel, (b) human cheek cells & to record observations and draw their labeled diagrams.

6. Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle fibers and nerve cells in animals from prepared slides. Drawing of their labeled diagrams.

7. Determination of the melting point of ice and the boiling point of water.

8. Verification of the Laws of reflection of sound.

9. Determination of the density of solid (denser than water) by using a spring balance and a measuring cylinder.

10. Establishing the relation between the loss in weight of a solid when fully immersed in

(a) Tap water

(b) Strongly salty water, with the weight of water displaced by it by taking at least two different solids.

9. Determination of the speed of a pulse propagated through a stretched string /slinky.

12. Study of the characteristics of Spirogyra / Agaricus, Moss / Fern, Pinus (either with male or female cone) and an Angiospermic plant. Drawing and providing two identifying features of the groups they belong to.

13. Observing the given pictures / charts / models of earthworm, cockroach, bony fish and bird. For each organism, drawing of their picture and recording:

(a) One specific feature of its phylum.

(b) One adaptive feature with reference to its habitat.

14. Verification of the law of conservation of mass in a chemical reaction.

15. Study of the external features of root, stem, leaf and flower of monocot and dicot plants.

Tips and Tricks to learn Chemistry

  • Attempt as many conceptual questions on those derivations as you can. This will give you a better understanding of the subject.
  • Look for new questions on similar context from previous year’s question papers, sample papers and other model test papers.
  • Always time yourself while solving sample papers as it will help you better manage time during the exam.
  • Solve as many class 9 sample papers you can, but try to solve at least 3-4 times completely. Practice past year question papers & model test papers.
  • Time management is a must; take out time for re-creation as well along side preparation.
  • Try and finish all the topics and questions in the NCERT books.CBSE board questions are majorly based on the question in this book only.

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