1. Fish breathe through   Skin   Lungs   Gills   Fins   Hint Half-n-half Clue   2. The feathers of birds are good insulators.   False   True   3. What is quinine used for?   Removing pimples   Curing Typhoid   Curing Malaria   Curing Aids   Half-n-half Clue   4. Quinine is obtained from the bark of which tree?   Redwood   Eucalyptus   Cinchona   Bunyan   Half-n-half Clue   5. Which of the following are known as "pisces"?   Fish   Reptiles   Birds   Mammals   Half-n-half Clue   6. How many teeth does an average human adult have?   31   32   33   36   Half-n-half Clue   7. What is the pulse rate of an average healthy human being?   72 beats per minute   100 beats per minute   65 beats per minute   16 beats per minute   Half-n-half Clue