1. Which of the following are known as "pisces"?   Reptiles   Mammals   Fish   Birds   Hint Half-n-half Clue   2. Quinine is obtained from the bark of which tree?   Redwood   Cinchona   Bunyan   Eucalyptus   Half-n-half Clue   3. Bile is secreted by the   Stomach   Liver   Gall Bladder   Lungs   Half-n-half Clue   4. 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 girth   By measuring its height   Half-n-half Clue   5. What forms after the flowers have pollinated?   Fruits   Thorns   New Branches   Leaves   Half-n-half Clue   6. Which food stuff turns blue-black when brought in contact with iodine?   Vitamins   Proteins   Unsaturated Fatty Acids   Starch   Half-n-half Clue   7. Farmers can keep their soil fertile by   Regular Tilling   Irrigation   Repeatedly growing the same crop   Crop Rotation   Half-n-half Clue