Q. Name the scientist who gave atomic theory of matter.

Q. Which hormonal deficiency is responsible for the following : (a) Diabetes mellitus (b) Goitre (c) Cretinism

Q. Fill in the blanks: 1 billion = ……… hundred million.

Q. The number of lines of symmetry in a rectangle and a square are – – – – – (equal/ unequal)

Q. Draft a Notice in not more than 50 words on your school notice board informing the students of the Prefectorial Board about the upcoming meeting. You are Manjit/Manjita, Coordinator of Pragyan Public School.

Q. Provide the one-word answer to the statement given below. Part of the body with a fixed joint.

Q. What do you mean by economizing the use of resources?

Q. Name a bird that can swim in water.

Q. Name the device used for measuring the pressure exerted by liquids. Also, state its working principle.

Q. Define the term resistivity and write the SI unit.