In this chapter, we provide NCERT Exemplar Class 8 Science Solutions for English medium students, Which will very helpful for every student in their exams. Students can download the latest NCERT Exemplar Problems Solutions for Class 8 Science pdf. Now you will get step by step solution to each question.
NCERT Exemplar Class 8 Science Chapter-wise Solutions
- Chapter 1 Crop Production and Management
- Chapter 2 Microorganisms: Friend and Foe
- Chapter 3 Synthetic Fibres and Plastics
- Chapter 4 Materials: Metals and Non-Metals
- Chapter 5 Coal and Petroleum
- Chapter 6 Combustion and Flame
- Chapter 7 Conservativation of Plants and Animals
- Chapter 8 Cell Structure and Functions
- Chapter 9 Reproduction in Animals
- Chapter 10 Reaching the Age of Adolescence
- Chapter 11 Force and Pressure
- Chapter 12 Friction
- Chapter 13 Sound
- Chapter 14 Chemicals Effects of Electric Current
- Chapter 15 Some Natural Phenomena
- Chapter 16 Light
- Chapter 17 Stars and the Solar System
- Chapter 18 Pollution of Air and Water
NCERT Exemplar Class 8 Science Book Free PDF Download
- Chapter 1: Crop Production and Management
- Chapter 2: Microorganisms: Friend and Foe
- Chapter 3: Synthetic Fibres and Plastics
- Chapter 4: Materials: Metals and Non-Metals
- Chapter 5: Coal and Petroleum
- Chapter 6: Combustion and Flame
- Chapter 7: Conservation of Plants and Animals
- Chapter 8: Cell – Structure and Functions
- Chapter 9: Reproduction in Animals
- Chapter 10: Reaching The Age of Adolescence
- Chapter 11: Force and Pressure
- Chapter 12: Friction
- Chapter 13: Sound
- Chapter 14: Chemical Effects of Electric Current
- Chapter 15: Some Natural Phenomena
- Chapter 16: Light
- Chapter 17: Stars and The Solar System
- Chapter 18: Pollution of Air and Water
- यूनिट 1(फसल उत्पादन और प्रबंध्न)
- यूनिट 2(सूक्ष्मजीव मित्रा और शत्राु)
- यूनिट 3(संश्लेषित रेशे और प्लास्टिक)
- यूनिट 4(पदार्थ धातु और अधातु)
- यूनिट 5(कोयला और पेट्रोलियम)
- यूनिट 6(दहन और ज्वाला)
- यूनिट 7(पौधे एवं जंतुओं का संरक्षण)
- यूनिट 8(कोशिका संरचना और कार्य)
- यूनिट 9(प्राणियों में जनन)
- यूनिट 10(किशोरावस्था की ओर)
- यूनिट 11(बल तथा दाब)
- यूनिट 12(घर्षण)
- यूनिट 13(ध्वनि)
- यूनिट 14(विद्युत धारा के रासायनिक प्रभाव)
- यूनिट 15(कुछ प्राकृतिक परिघटनाएँ)
- यूनिट 16(प्रकाश)
- यूनिट 17(तारे एवं सौर परिवार)
- यूनिट 18(वायु तथा जल का प्रदूषण)
Students need the NCERT Exemplar Class 8 Science to grasp the topic better and to understand the many kinds of test questions that could be asked. We provide a nicely prepared selection of problems and solutions from NCERT Exemplar Class 8 Science because studying science necessitates a deeper comprehension of several themes with plenty of concepts and pictures.
Chapter 1: Crop Production and Management
It discusses agricultural methods, including basic crop production procedures such as soil preparation, planting, adding compost and fertilizers, water management, weed control, harvesting, storage, and food and livestock. The solutions to the issues addressed in this chapter may be found here.
Chapter 2: Microorganisms: Friend and Foe
In Friend and Foe, several subjects are covered, including the definition of microorganisms, their habitats, our relationship with them, hazardous microbes, food preservation, nitrogen fixation, and the nitrogen cycle. In this chapter, students will also learn how to distinguish between the nitrogen cycle and nitrogen fixation.
Chapter 3: Synthetic Fibers and Plastics
The definition of synthetic fibres, varieties of synthetic fibers, features of synthetic fibres, plastics, plastics as a material of choice, and plastics and the environment will all be covered in this chapter.
Chapter 4: Materials: Metals and Non-Metals
The discussion of metals and non-metals is at hand. Students will gain knowledge of the usage of metals and non-metals as well as the physical, chemical, and other characteristics of each.
Chapter 5: Coal and Petroleum
The definitions of coal and petroleum are given at this chapter’s start. The next topics include coal, its history, coke, coal tar, coal gas, petroleum, refining, what it is, natural gas, and certain restricted natural resources. Students may view the solutions and the correct explanations for these ideas in the answers.
Chapter 6: Combustion and Flame
In this chapter, students will discover what combustion is and how to regulate fire. What is fuel? Types of combustion, Flame structure, and fuel economy. Students who practice these solutions will have a good knowledge of chemistry fundamentals.
Chapter 7: Conservation of Plants and Animals
Animal and plant conservation are the topics of this chapter. We would go over the subjects covered in the last lesson and focus on deforestation, its causes, its effects, protection of the forest and animals, biosphere reserves, endemic species, wildlife sanctuaries, national parks, red data books, migration, paper recycling, and replanting.
Chapter 8: Cell – Structure and Functions
The topics covered in this chapter include an overview of the cell, its discovery, the range of cell types, including size, shape, and quantity, in various species, as well as the structure, function, and sections of the cell.
Chapter 9: Reproduction in Animals
The reproduction of animals is explained to students in this chapter. Learning about the many ways of reproduction, such as sexual and asexual reproduction, is covered in the chapter on reproduction in animals. The male and female reproductive systems and fertilization will be covered in the section on sexual reproduction. The students will study binary fission and budding throughout the asexual reproduction section.
Chapter 10: Reaching the Age of Adolescence
In this chapter, learners become acquainted with adolescence. This chapter covers a variety of important topics, including adolescence and puberty, puberty changes, secondary sexual characteristics, the importance of hormones in initiating reproductive function, the reproductive phase of life in humans, how to evaluate the gender of the baby, hormones apart from sex hormones, the role of hormones in capping the life histories of insects and frogs, and reproductive health. Going through the questions will help students understand how to respond to them quickly.
Chapter 11: Force and Pressure
It talks about force. Students are taught about forces, including pushes and pulls, interactions that cause forces, how forces may affect an object’s form or state of motion, contact and non-contact forces, pressure, pressure from liquids and gases, and atmospheric pressure.
Chapter 12: Friction
Students will learn all they can learn about friction in this chapter. The force of friction, variables that impact friction, friction as a necessary evil, increasing and decreasing friction, how wheels minimize friction, and fluid friction are all topics covered in this chapter. Based on these chapter themes, we have provided answers below.
Chapter 13: Sound
This chapter discusses sound. A vibrating body produces sound, and people also make a sound. Sound needs a medium for propagation; we perceive sound with our ears. Audible and inaudible noises, noise and music, and noise pollution are further subtopics.
Chapter 14: Chemicals Effects of Electric Current
The chemical consequences of electric current are covered in this chapter. In this chapter, students will learn about electroplating, whether liquids carry electricity, and electric current’s chemical consequences.
Chapter 15: Some Natural Phenomena
Here, we continue our studies of earthquakes, charging by rubbing, different sorts of charges and how they interact, charge transmission, the history of lightning, and lightning safety.
Chapter 16: Light
Students study the laws of reflection, regular and diffused reflection, various pictures, white or colored sunshine, what is within our eyes, eye care, how visually impaired people may read and write, and the Braille System.
Chapter 17: Stars and the Solar System
In this chapter, students will learn in-depth information about galaxies and the solar system. The solar system, moon, stars, and constellations are also covered in this chapter. Based on these chapter themes, we have provided answers below.
Chapter 18: Pollution of Air and Water
In this chapter, you will learn about air and water pollution. The Taj Mahal case study, the greenhouse effect, what could be done, and water pollution are other subtopics. How does water get contaminated, what is drinkable water, how is water cleaned and more subtopics like what can be done?
Why should you learn from NCERT Exemplar Class 8 Science?
Details of concepts Your ability to comprehend science topics in-depth will be aided by consulting these study solutions.
Simple and clear explanations of the principles make them simple to comprehend. If you carefully study any complicated issue, all your questions will be answered.
In addition to helping you succeed in the board test; this study material also aids you in several competitive exams.
I think you got complete solutions for this chapter. If You have any queries regarding this chapter, please comment on the below section our subject teacher will answer you. We tried our best to give complete solutions so you got good marks in your exam.
The NCERT Exemplar Solutions for Class 8 Science solutions are enough to remove students’ questions and misunderstandings of subjects essential for exams. Students can use extra study resources in addition to textbook problems to discover shortcuts and strategies for completing challenging issues quickly.
Yes, our solutions in NCERT Exemplar Class 8 have enough illustrations for a better understanding of concepts by students.