1. Which of the following carries malaria?   Cockroaches   Mosquitoes   Bats   Earthworms   Hint Half-n-half Clue   2. The feathers of birds are good insulators.   True   False   3. What is the pulse rate of an average healthy human being?   65 beats per minute   16 beats per minute   72 beats per minute   100 beats per minute   Half-n-half Clue   4. What forms after the flowers have pollinated?   New Branches   Leaves   Thorns   Fruits   Half-n-half Clue   5. What is the name given to the green pigment in plants?   Starch   Stomata   Tendrils   Chlorophyll   Half-n-half Clue   6. How is the age of a tree determined?   By counting the annual rings in a cut trunk   By counting the number of its branches   By measuring its height   By measuring its girth   Half-n-half Clue   7. Quinine is obtained from the bark of which tree?   Redwood   Bunyan   Cinchona   Eucalyptus   Half-n-half Clue