1. The 25th anniversary is referred to as the _______ jubilee.   silver   golden   platinum   diamond   Hint Half-n-half Clue   2. The process by which green plants produce their own food in the presence of sunlight is called _______.   phototaxis   phototropism   photosynthesis   transpiration   Half-n-half Clue   3. A _______ is a polygon with 6 sides.   pentagon   nonagon   heptagon   hexagon   Half-n-half Clue   4. What is the capital of France?   Moscow   Paris   Berlin   Bern   Half-n-half Clue   5. Who directed the 1960 film 'Psycho'?   Chris Columbus   Alfred Hitchcock   Ingmar Bergman   Steven Spielberg   Half-n-half Clue   6. In which city is the John F. Kennedy international airport?   Washington D.C.   Chicago   Los Angeles   New York   Half-n-half Clue   7. During World War II, who was the leader of the Soviet Union?   Joseph Stalin   Boris Yeltsin   Vladimir Lenin   Mikhail Gorbachev   Half-n-half Clue