Q1: Name the smallest cell and the longest cell in human body.Ans: The smallest cell in the human body is the red blood cell or […]

Q1: Why did Rutherford select a gold foil in his alpha-ray scattering experiment?Ans: Rutherford selected a gold foil in his alpha-ray

Q1: What is the building block of all matter?Ans: Atom is the building block of all matter. Q2: Give the derivation

Q1: Name the process by which pure copper sulphate can be obtained from its impure sample.Ans: Crystallisation is the process used to

Q1: A rubber band is a solid, but it can change its shape. Why?Ans: A rubber band changes shape under force

Multiple Choice Questions Q1. Which of the following is a Kharif crop?(a) Wheat(b) Mustard(c) Soyabean(d) Gram Correct Answer is   Option (c)Soyabean is a

Multiple Choice Questions Q1. Which of the following is a Kharif crop?(a) Wheat(b) Mustard(c) Soyabean(d) Gram Q2. What is the main objective of crop

Q.1. Fill in the blanks (i) Quality of sound depends on Waveform .(ii) The speed of sound in a solid is greater than the speed of

Q.1. Fill in the blanks(i) Quality of sound depends on ________ .(ii) The speed of sound in a solid is ________ than

Q.1. Fill in the blank (i) When a ball is thrown upwards, kinetic energy is transformed into potential energy.(ii) The sum of the potential and kinetic