1. The science that deals with the study of sound is known as acoustics.   True   False   2. How many planets are there in our solar system?   8   9   10   12   Hint Half-n-half Clue   3. The tail of a comet always points towards the Sun.   True   False   4. Who discovered Penicillin?   Louis Pasteur   Watson and Crick   Sir Alexander Fleming   Robert Koch   Half-n-half Clue   5. The animal kingdom is formally classified into major groups known as   Orders   Families   Sub Phyla   Phyla   Half-n-half Clue   6. Who invented the miner's safety-lamp?   Sir Humphrey Davy   Alexander Graham Bell   Sir Frank Whittle   Thomas Alva Edison   Half-n-half Clue   7. The Sun is a   Comet   Satellite   Huge Planet   Star   Half-n-half Clue