NCERT Solutions For Class 9 Science

Class 9 Science NCERT Solutions

NCERT Solutions for Class 9 Science help students to clear any doubts instantly and in a more efficient way. These solutions also help students to prepare important concepts included in the CBSE Class 9 Science syllabus. Students studying in class 9 are required to solve the exercise questions included in the NCERT Science Book Class 9 to have a proper understanding of the topics taught. While solving the textbook questions, often students find doubts and pile those up. The NCERT solutions for class 9 come in handy at such times as they include precise explanations and detailed answers to those questions. These Class 9 Science NCERT Solutions cover solutions to all the important chapters included in the textbook like Matter, Atom, Tissues, Living Organisms, Motion, Force, Laws of Motion, Gravitation, Energy and work, Sound, Natural Resources, etc.

NCERT class 9 science solutions PDFs are also provided here for better accessibility to the students. It serves an important studying tool for students preparing for their board examinations and assignments.

NCERT Solutions For Class 9 Science

Features of NCERT Class 9 Science Solutions

  • Available to everyone for free
  • Covers all the exercise problems from the class 9 textbook
  • PDF is also available which can be downloaded for free and accessed offline
  • Diagrams are included to help students visualize the topics
  • Most effective solutions are given which can help to score well in the exams

NCERT Class 9 Science Chapter Analysis

Chapter one covers the chapter Matter in our Surroundings which include the topics – Introduction, Composition of matter, Matter is made up of particle, Properties of matter, Diffusion, States of matter, Rigid and fluid, Interconversion of the state matter, Effect of change of temperature and pressure, Latent heat, Latent heat of vaporization and fusion, Sublimation, Evaporation, Cooling effect.

Chapter two is Is matter around us pure which includes the topics – Matter, Pure matter, Properties of compounds, Properties of mixture, Physical and chemical changes, Tyndall effect, Solutions, suspensions and colloids, Separation of mixtures, Classification of matter, Properties of metals and nonmetals.

Chapter three covers Atoms and molecules which includes the topics – Symbols of atoms of different elements, Properties of atoms, Atomic mass, Molecules, Atomicity, Molecular mass, Ions, Classification of ions, Valency, Writing chemical formulae of compounds, Mole, Molar mass, Percentage of an element in a compound, Laws of chemical combination.

To download the complete book in PDF format, visit NCERT Science Book Class 9. Below is the example of a revision test of science chapters.

Q1. Answer in one line- Which is the cell that exists without membrane bound nucleus?

Q2. How does the chromatin change during cell division?

Q3. Which functional segment of DNA carries genetic information?

Q4. Explain the following:

  1. Hypertonic solution
  2. Hypotonic solution
  3. Isotonic solution

Q5. List the enzymes present in lysozyme. Also, explain why lysosomes are called the suicidal bags of cell?

Q6. Plasma membrane constituents of?

Q7. Write one difference between leucoplasts and chromoplasts.

Q8. What is membrane biogenesis?

Q9. Neatly draw the diagram of nucleus and label six parts.

Q10. Give one difference between nucleoplasm and cytoplasm.

Q11. Explain two functions of centrosomes.

Q12. What is prokaryotic cell?

Q13. Write the types of endoplasmic reticulum. Also, explain the functions of endoplasmic reticulum.

Q14. Fill in the blanks:

  1. _________ is called as power house of the cell.
  2. _________ is called the selectively permeable membrane.
  3. _________ is called the structural and functional unit of life.
  4. _________ is called the suicidal bags of cell.

Q15. Photosynthesis is carried out by which part of bacterial cell?

Q16. What is eukaryotic cell?

Q17. Write four differences between eukaryotic and prokaryotic cell.

Q18. What does division labour mean?

Q19. How is osmosis different from diffusion? Give two reasons.

Q20. What is the function of SER in liver cells of vertebrates?

For more practice tests and mock tests sign up on BYJU’S the learning app. Apart from Science, get NCERT solutions for Mathematics as well. Students can download worksheets, assignments, NCERT Books Class 9 and other study materials for exam preparation and get better marks in the exam.


Practise This Question

The science of improving crop varieties is called: