Our Environment Previous Years Questions Choose the option giving correct matching the item given in Column I & II. a. A : (iii), B : (i), C : (iv), D : (ii)b. A : (iii), B : (iv), C : (i), D : (ii)c. A : (iii), B : (iv), C : (ii), D : […]
Life Processes Previous Years Questions : Solutions List the steps of preparation of temporary mount of a leaf peel to observe stomata. [CBSE 2018] [2Marks]Sol:The following steps of preparation of temporary mount of a leaf peel to observe stomata are : (i)Remove a healthy leaf from the plant.(ii)Remove a part of peel from the lower surface […]
Metals and Non-Metals Previous Years Questions : Solutions Show the formation of Na2O by the transfer of electrons. [CBSE 2019] [2 Marks]Sol: Show the formation of magnesium oxide by the transfer of electrons. [CBSE 2019] [2 Marks]Sol: What are ionic compounds ? Why do ionic compounds not conduct electricity in the solid state? [CBSE 2019] [2 Marks]Sol:The compound […]
Acids, Bases and Salts Previous Years Questions : Solutions If 10 ml of H2SO4 is mixed with 10 ml of Mg(OH)2 of the same concentration, the resultant solution will give the following colour with universal indicator: [1 Mark] [CBSE 2020] Red Yellow Green BlueSol:The Correct option is (c) Green 2 mL of sodium hydroxide is added to a […]
Class 8 Sound Notes Sound:- Sound is a form of energy which produces a sensation of hearing in our ears. Vibration:- A kind of rapid to and fro motion of an object is called vibration. Sound is produced by vibrating objects. This motion is also known as Oscillatory motion. Voice Box :- Upper end of […]
Class 8 Force And Pressure Notes Force :– A push or pull on an object is called force. S.I Unit = Newton Effects of Force :- Change in state of motion :- Change in the speed of an object. Change in its direction of motion. Change in shape and size of an object :- We […]
Reproduction In Animals Notes Reproduction :- Reproduction is the ability of the living organism to produce young ones of their own kind. Modes of Reproduction :- Asexual Reproduction Sexual Reproduction Sexual Reproduction :- The type of reproduction in which male and female Parents involved to give rise to an offspring is called sexual reproduction. Male […]
CBSE Class 12 Board Exams 2021 are likely to be conducted as most of the states have favoured conducting examinations in the high level meeting of Ministry of Education with State Education Ministers . As for the dates, no announcement has been made yet. As per sources, the Class 12 exams are likely to be […]
The Central Board of Secondary Education (CBSE) activated the link for uploading the marks of class 10 students by the schools. The link for uploading the marks can be accessed on the e-Pareeksha 2021 portal. Schools affiliated to the board can now upload the marks of the students. Class 10 results announcement date As per […]
Download NCERT class 10 Maths book chapter-wise in PDF form for free.