Questions 1st Dec 2010

Q1. Which Indian-origin physicist invented the optical fibre and is referred to as the father of fibre optics?

Q2. The tallest trees in the world belong to which species (give the common name)?

Q3. Which country has the largest number of time zones, and recently reduced it from 11 to 9 to make things more manageable?

Q4 Homo sapiens like to think they have the largest brains. But one extinct human species did have a larger brain. Which one?

Q5. Unscramble CLITSONAR - antibacterial agent commonly added to toilet soaps, deodorants, toothpastes and handwashes.