1. The study of plants is called _______.   geology   botany   zoology   heredity   Hint Half-n-half Clue   2. Which of the following is not a tree?   Cricket   Elder   Elm   Willow   Half-n-half Clue   3. The study of the stars and other heavenly bodies is called _______.   astronomy   geology   meteorology   astrology   Half-n-half Clue   4. In which state in the U.S.A. is the Grand Canyon located?   Arizona   California   Colorado   Oregon   Half-n-half Clue   5. Which Roman emperor 'fiddled' while Rome burned?   Constantine   Charlemagne   Nero   Mussolini   Half-n-half Clue   6. 'A stitch in time saves _______' is a famous proverb.   cloth   thread   five   nine   Half-n-half Clue   7. Which U.S. President's portrait appears on a one-cent coin?   Thomas Jefferson   George Washington   Abraham Lincoln   Andrew Jackson   Half-n-half Clue