Q1. The discovery of viruses was made by-
Q2. Bacteria was discovered first by-
Q3. The surface tension phenomenon is the result of the tendency of a system of:
(d) Keep surface area minimum
Q4. Water drops do not stick to the oily surface due to
(a) lack of adhesive force
(c) cannot mix each other
(d) water is lighter than oil
Q5. Newton’s first law is also called as
Q6. Which Article of the Constitution abolishes untouchability?
Q7. Who is the chairman of the Planning Commission?
Q8. On which river has the Hirakud Dam been built?
Q9. What is Bitra Island?
(a) A holiday resort in Andamans
(b) The fishing centre in Kerala
(c) A light house Island in the Gulf of Mannar
(d) Subgroup of islands of Lakshadweep
Q10. Khyber Pass is situated between?
(d) Pakistan and Afghanistan