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 CHAPTER 8 CELL  STRUCTURE AND FUNCTIONS  This article brings you the CBSE Class 8  Science solution of   CHAPTER 8  'CELL STRUCTURE AND FUNCTIONS '. This will help students to easily understand the answer of textbook questions of Chapter 8 Cell structure and function and some important keypoints are also given which helps students to easily go through the CHAPTER 8 CELL STRUCTURE AND FUNCTIONS. IMPORTANT KEYPOINTS OF CHAPTER 8 CELL STRUCTURE AND FUNCTIONS. a)Cell:- Cell is the smallest unit of the living body. b)Cell Membrane:- Outer covering of the cell is known as Cell Membrane. c)Cell Wall:- Protective layer of the plant cell which present outer to the cell membrane only in plants cell. d) Chloroplast :- Green colour plastids which contain chlorophyll are known as Chloroplast. e) Chromosomes :- Thread like structure which is present in the nucleus of cell contain parentile information are known as Chromosomes. f)Eukaryotes:- Cell which contains proper nucleus with nucleus m

  CHAPTER 5 COAL AND PETROLEUM Chapter 5 COAL AND PETROLEUM of SCIENCE NCERT of CLASS 8  complete solution and some important points are given. This will help student to understand the topics of  CHAPTER 5 COAL AND PETROLEUM of Class 8.  Students can solve the textbook Questions easily and understand all the important points of chapter. Important points of CHAPTER 5  COAL AND PETROLEUM of Class 8 Science NCERT. (a) Fossil fuel:- These were formed from the dead remains of living organisms (fossils).So,these are known as Fossil fuels. (b) Coal:-  Coal is one of the fuels used to cook food. Earlier, it was used in railway engines to produce steam to run the engine.It is also  used in the thermal power plants to produce electricity.Coal is also used as a fuel in various industries. (c) Coke:- It is tough, porous and black substance.It is an almost pure form of carbon. (d)Coal Tar:- It is black,thick liquid with an unpleasant small.It is a mixture of about 200 substance. (e)Coal Gas:-  Coal

 CHAPTER 2 COMPONENTS OF FOOD Chapter 2 COMPONENTS OF FOOD of SCIENCE NCERT of CLASS 6 complete solution and some important points are given. This will help student to understand the topics of CHAPTER 2 COMPONENTS OF FOOD of Class 6. Students can solve the textbook Questions easily and understand all the important points of chapter. Important points of CHAPTER 2 COMPONENTS OF FOOD of Class 6 Science NCERT. (a) Roughage :- The fibre content of the food. (b) Food Components :- All the nutrients which is  present in the food. (c) Deficiency disease :-Disease occur due to lack of minerals and vitamins in the body. (d) Dehydration :-  A condition in which our body looses large amount of water. (e )Anaemia :-A condition in which haemoglobin count decreases in blood. (f) Diet :- The food we eat in a day. (g )Energy :- Energy is the capacity to do work. (h) Balanced diet :-A diet which provides the proportion of all the nutrients that our body need along with roughage and water. These are som

 CHAPTER 3  SYNTHETIC FIBRES AND PLASTICS CHAPTER 3 SYNTHETIC FIBRES AND PLASTICS of CLASS 8 SCIENCE NCERT is here with complete solution of all the textbook questions of CHAPTER 3. All the NCERT solutions are framed in a systematic manner, according to the latest CBSE Class 8 science syllabus (2020-21). After studying this   you will be able to understand the topics covered in the chapter thoroughly. It is noticed that many questions are directly asked in previous year class 8 examinations. In order to score good marks in the examination, students should study this material in-depth. Here's the answer of textbook questions of CHAPTER 3 SYNTHETIC FIBRES AND PLASTICS. Exercise Questions. Q1. Explain why some fibres are called synthetic. Ans. There are some fibres that are made by man using chemicals.These are called synthetic fibres. These are made up of small units that are joined together to form a long chains called POLYMER. For example: Rayon,Nylon,etc Q2. Mark (✓) the correct a

  CHAPTER 1 RATIONAL NUMBER Here is provided explaination of properties and  Solution  of Chapter 1 Rational Number of Class 8 maths according to latest syllabus of CBSE 2020-21.Student are able to solve the question related to CHAAPTER 1 RATIONAL  NUMBER  and easily understand the properties related to CHAPTER 1 RATIONAL NUMER CLASS 8 MATHS INTRODUCTION: RATIONAL NUMBER:- A   number which can be written in the form of P/Q , where p and q  are integers and q does not equal to 0, is called rational number. For example:- 1/2,-1/2,0, 3/4 etc. Properties of CHAPTER 1 RATIONAL NUMBER ARE GIVEN BELOW: 1.CLOSURE:- According to this property , sum of two rational numbers is also rational number. This property is followed in Addition, subtraction, multiplication  and division  but if denominator is 0 it doesn't defined in division.    2.COMMUTATIVE :-  According to this property, Two rational numbers can be added in any order without effect. It's result will be same. If we take  two rat