1. The tail of a comet always points towards the Sun.   True   False   2. Who discovered Penicillin?   Sir Alexander Fleming   Louis Pasteur   Robert Koch   Watson and Crick   Hint Half-n-half Clue   3. Who discovered the circulation of blood?   Edward Jenner   Louis Pasteur   Hargobind Khorana   William Harvey   Half-n-half Clue   4. Enzymes and anti-bodies are mainly made of   Proteins   Vitamins   Carbohydrates   Fats   Half-n-half Clue   5. The three states of matter are solid, liquid and gas.   True   False   6. How many planets are there in our solar system?   8   9   10   12   Half-n-half Clue   7. What is the total number of bones in the human body?   32   196   206   512   Half-n-half Clue