CBSE Class 10


A Zinc granule changes the colour of ferrous sulphate and an iron nail changes the blue colour of copper sulphate [CBSE Class 10 Science] (2)
With the help of labelled diagram, discuss the mechanism of respiration in human beings [CBSE Class 10 Science] (2)
Explain the given reactions with the examples: 1. Hydrogenation reaction [CBSE Class 10 Science] (2)
1. How do we classify elements? [CBSE Class 10 Science] (2)
Give the steps involved in the extraction of metals of low and medium reactivity [CBSE Class 10 Science] (2)
What are the different methods of contraception? [CBSE Class 10 Science] (2)
1. How can you contribute as an individual or make a difference to the management of: [CBSE Class 10 Science] (2)
Energy from various sources is considered to have been derived from the Sun. Do you agree? [CBSE Class 10 Science] (2)
What does the direction of thumb indicate in the right-hand thumb rule? [CBSE Class 10 Science] (2)
Two lamps, one rated 40 W at 220 V and the other 60 W at 220 V, are connected in parallel [CBSE Class 10 Science] (2)
A 14 year old student is not able to see clearly the question’s 1. Name the defect of vision he is suffering from? [CBSE Class 10 Science] (2)
Name the four parts labelled as a, b, c and d in given diagram and write their functions [CBSE Class 10 Science] (2)
What are tropic movements? Name the types of tropic movements in plants [CBSE Class 10 Science] (2)
What are the differences between the transport of materials in xylem and phloem? [CBSE Class 10 Science] (2)
Using this table, explain why 1. Li and Na are considered as active metals [CBSE Class 10 Science] (2)
A substance ‘X’ used in the kitchen for making tasty pakoras and is also an ingredient of antacid [CBSE Class 10 Science] (2)
An old person is unable to see clearly nearby objects. (a) What defect of vision is he suffering from? [CBSE Class 10 Science] (2)
Plot a graph between current (I) and potential difference (V) and determine the resistance (R) of the resistor [CBSE Class 10 Science] (2)
An object of height 4.0 cm is placed at a distance of 30 cm form the optical centre [CBSE Class 10 Science] (2)
Draw diagrams of what he observes (in proper squence) [CBSE Class 10 Science] (2)
List the steps of preparation of temporary mount of a leaf peel to observe stomata [CBSE Class 10 Science] (2)
When a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? [CBSE Class 10 Science] (2)
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions [CBSE Class 10 Science] (2)
Explain the function of the following parts of an electric motor. (i) Armature [CBSE Class 10 Science] (2)
1. Mention any two components of blood [CBSE Class 10 Science] (2)
(a) Write the steps involved in the extraction of pure metals [CBSE Class 10 Science] (2)
What is a dam? Why do we seek to build large dams? [CBSE Class 10 Science] (2)
1. Suggest two measures to manage the garbage we produce [CBSE Class 10 Science] (2)
1. List the factors on which the resistance of a conductor in the shape of a wire depends [CBSE Class 10 Science] (2)
Show how could you join three resistors, each of resistance 9 Ω [CBSE Class 10 Science] (2)