NCERT Solutions for Class 7 Science - Download Chapter Wise Solution PDF

Edited By Vishal kumar | Updated on Apr 17, 2025 12:05 PM IST

Have you ever wondered how electricity runs your house, why the sky changes color, or how plants grow? You study all of these everyday incidents in Class 7 Science. It can be challenging to understand these concepts when necessary, but Careers360 is here to help you learn more easily. Our Class 7 Science NCERT Solutions have been thoughtfully created to make it simple for you to complete all of the exercises and questions in your NCERT textbook. These solutions, which are developed by experienced subject matter experts and closely correspond to the CBSE curriculum, ensure that you are studying the material required for your school exams.

This Story also Contains

Why Choose Our NCERT Solutions?
Chapter-wise NCERT Solutions for Class 7 Science
How to Download NCERT Solutions PDF from Careers360?

Why Choose Our NCERT Solutions?

100% NCERT-Based: Follows the latest CBSE syllabus and guidelines to ensure full exam relevance.
Concept Clarity: Simplified explanations help you understand even the toughest topics easily.
Step-by-Step Answers: Each question is solved in a logical, structured manner to improve problem-solving skills.
Expert-Curated: Solutions are prepared by experienced educators with deep subject knowledge.
Time-Saving for Revisions: Ideal for quick revisions before tests and exams—no need to search multiple sources.
Exam-Ready Material: Helps you practice well, build confidence, and score better in your Science exams.

Chapter-wise NCERT Solutions for Class 7 Science

Students can click the link below to access and download the entire solutions for all the Science Class 7 chapters. Exploring complete answers is incredibly convenient due to this direct access, which improves understanding and exam preparation.

Chapter 1	Nutrition in Plants
Chapter 2	Nutrition in Animals
Chapter 3	Heat
Chapter 4	Acids, Bases and Salts
Chapter 5	Physical and Chemical Changes
Chapter 6	Respiration in Organisms
Chapter 7	Transportation in Animals and Plants
Chapter 8	Reproduction in Plants
Chapter 9	Motion and Time
Chapter 10	Electric Current and its Effects
Chapter 11	Light
Chapter 12	Water: A Precious Resource
Chapter 13	Wastewater Story

Class 7 Science NCERT Solutions : Chapter's Brief

Here is a breakdown of the chapters covered in Class 7 Science:

Chapter 1: Nutrition in Plants

Understand how plants make their food, the different modes of nutrition, and the role of nutrients.

Chapter 2: Nutrition in Animals

Learn about the human digestive system, animal nutrition, and various processes involved in nutrition.

Chapter 3: Heat

Grasp the concepts of heat, temperature, and methods of heat transfer.

Chapter 4: Acids, Bases, and Salts

Delve into the properties of acids, bases, and salts, and their reactions.

Chapter 5: Physical and Chemical Changes

Differentiate between physical and chemical changes through various examples.

Chapter 6: Respiration in Organisms

Explore the process of respiration in humans and other organisms.

Chapter 7: Transportation in Animals and Plants

Understand the transportation systems in animals and plants, including blood circulation and transport of water and nutrients.

Chapter 8: Reproduction in Plants

Learn about the different modes of reproduction in plants.

Chapter 9: Motion and Time

Study the concepts of motion, speed, and time measurement.

Chapter 10: Electric Current and Its Effects

Delve into the properties of electric current and its various effects.

Chapter 11: Light

Understand the nature of light, reflection, and other optical phenomena.

Chapter 12: Water: A Precious Resource

Explore the importance of water, its conservation, and management.

Chapter 13: Wastewater Story

Understand the wastewater treatment process and the importance of sanitation.

How to Download NCERT Solutions PDF from Careers360?

Getting your Class 7 Science NCERT solutions is quick and simple:

Go to the Class 7 Science NCERT Solutions page on the Careers360 website.
Choose the chapter you want to study.
Click on the “Download PDF” button next to that chapter.
Save the file to your device—and you’re ready to begin learning anytime, anywhere!

Additional Resources

To further aid your studies, we also provide resources for other classes and subjects. Explore our NCERT Solutions for various grades to get comprehensive solutions and improve your learning experience.

Download Free PDF complete chapter-wise NCERT Solutions for Class 7 Science and start your journey towards academic excellence!

Explore More NCERT Resources

By providing these comprehensive and well-structured NCERT solutions, Careers360 ensures that you have all the resources you need to excel in your Class 7 Science exams. Download now and start mastering your subjects!

Frequently Asked Questions (FAQs)

1. Has the Class 7 Science syllabus changed recently?

Minor updates or deletions may happen. It's always best to refer to the official NCERT website or school guidelines for the latest syllabus version.

2. How many chapters are there in Class 7 Science NCERT textbook?

There are 13 chapters in total, covering topics from biology, chemistry, and physics.

3. Are NCERT solutions enough for Class 7 Science exam preparation?

Yes, the solutions are written in simple and student-friendly language to help you grasp concepts better.

4. Which chapters are important for scoring high marks?

Chapters like Nutrition, Heat, Acids and Bases, Respiration, Light, and Electric Current often carry more weight in exams due to their conceptual importance.

5. Can I download Class 7 Science NCERT solutions chapter-wise?

Absolutely! You can download chapter-wise PDFs for all 13 chapters from trusted educational platforms like Careers360.

Also Read

NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities

NCERT Solutions for Class 7 Science Chapter 13 Wastewater Story

NCERT Solutions for Class 7 Science Chapter 12 Forests Our Lifeline

NCERT Solutions for Class 7 Science Chapter 11 Light

NCERT Solutions for Class 7 Science Chapter 10 Electric Current and Its Effects

NCERT Solutions for Class 7 Science Chapter 9 Motion and Time

NCERT Books for Class 7 English 2025-26: Download PDF

NCERT Books for Class 7 Social Science 2025-26: Download PDF here

NCERT Books for Class 7 Science 2025-26: Download PDF Here

NCERT Books for Class 7 All Subjects: Download PDF

Articles

Physiotherapy Courses after 12th - Eligibility & Top Institutes

Apr 17, 2025

Karnataka Class 11 Admission 2025: Eligibility, Application Process & Important Dates

Apr 17, 2025

Ayurvedic Courses After 12th Without NEET Exam- Eligibility, Duration, Top Colleges

Apr 16, 2025

NSTSE Answer Key 2025-26, Download Official NSTSE Answer Key PDF Link Here

Apr 15, 2025

Haryana Class 11 Admissions 2025: Application Process, Eligibility & Key Dates

Apr 15, 2025

PM Internship Scheme Eligibility Criteria 2025: Check Age Limit, Guidelines

Apr 10, 2025

IB Results 2025 – Check IB MYP & IB DP Program Scores and Updates

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 3.8×10⁷J 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