Selina Concise Class 9 Physics Solution Chapter No. 3- ‘Laws of Motion’ For ICSE Board Students. Exercise -3A Solution 1.) Solution: Ans: a) Contact forces: Contact forces are the forces which are acting on a body when they are in physical contact with each other. Contact forces are produced only when one body comes in […]
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Selina Concise Class 9 Physics Chapter 2 Motion in One dimension Solution
Selina Concise Class 9 Physics Solution Chapter No. 2- ‘Motion in One dimension’ For ICSE Board Students. Exercise – A Solution: 1.) Solution: Ans: Scalars: Scalar quantities are those quantities which are having magnitude only. Scalar quantities has magnitude and also unit. Some purely numbers are scalars which are not having unit. For example: Π, […]
Selina Concise Class 9 Physics Chapter 1 Measurements and Experimentation Solution
Selina Concise Class 9 Physics Solution Chapter No. 1- ‘Measurements and Experimentation’ For ICSE Board Students. Exercise: 1(A) Solution 1.) Solution: Ans: Measurement is the basic requirement for measuring the physical quantities. Measurement is the process in which given physical quantity is compared with the known standard quantity having same nature. For example: If the […]
Selina Concise Class 10 Biology Chapter 2 Structure of Chromosomes, Cell Cycle and Cell Division Solution
Selina Concise Class 10 Biology Solution Chapter No. 2- ‘Structure of Chromosomes, Cell Cycle and Cell Division’ For ICSE Board Students. A) 1) Chromatin material is formed of a) DNA only b) DNA and Histones c) Histone only d) Nucleotide Answer:- b) DNA and Histones Explanation: DNA fiber and Histone protein are involved in the […]
Selina Concise Class 8 Chemistry Chapter 9 Carbon and it’s Compound Solution
Selina Concise Class 8 Chemistry Solution Chapter No. 9- ‘Carbon and it’s Compound’ For ICSE Board Students. 1) a) .…………..is present in both living and non living things. Answer : Carbon Explanation: Carbon is present in both living and non living things carbon present in some living things ( Humans , plants, insect, etc) called […]
Selina Concise Class 10 Biology Chapter 1 Cell – The Structural and Functional Unit of Life Solution
Selina Concise Class 10 Biology Solution Chapter No. 1- ‘Cell – The Structural and Functional Unit of Life’ For ICSE Board Students. Selina Concise Class 10 Biology Chapter 1 Cell – The Structural and Functional Unit of Life Exercise Long Questions and Answers by Biology Teacher here in this post. Can you identify these? Answer:- […]
Selina Concise Class 8 Chemistry Chapter 8 Water Solution
Selina Concise Class 8 Chemistry Solution Chapter No. 8- ‘Water’ For ICSE Board Students. 1) Answer : i.) Oceans, ii) Seas , iii) rivers , iv) lakes , v) Ponds etc. 2) Answer: The importance of water in nature is following. Water cycle make or enable the availability of water for all living things or […]
Selina Concise Class 8 Chemistry Chapter 7 Hydrogen Solution
Selina Concise Class 8 Chemistry Solution Chapter No. 7- ‘Hydrogen’ For ICSE Board Students. Exercise -I: 1) a) Hydrogen is ………………. than air . Answer : lighter Explanation: Hydrogen is first element in periodic table it has one proton in Nucleus and one electron in orbit . It most lighter than air. b) Hydrogen is […]
Selina Concise Class 8 Chemistry Chapter 6 Chemical Reactions Solution
Selina Concise Class 8 Chemistry Solution Chapter No. 6- ‘Chemical Reactions’ For ICSE Board Students. 1) a) Answer : A compound or molecules (Reactant) chemically react with each other and form one or more new different compound or substance are known as chemical reaction. b) Answer : The molecules or compound chemically interact with each […]
Selina Concise Class 8 Chemistry Chapter 5 Language of Chemistry Solution
Selina Concise Class 8 Chemistry Solution Chapter No. 5- ‘Language of Chemistry’ For ICSE Board Students. 1) a) Answer : Radical : Radical is an atom or molecules that contain unpaired electrons or charge on it that is negative or positive charge . b) Answer: Valency One elements has the power or capacity to form […]