1. Light energy is converted into chemical energy by the process of   Photokinesis   Symbiosis   Photosynthesis   Photoperiodism   Hint Half-n-half Clue   2. Which is not a 'renewable' resource of energy ?   Sun   Petroleum   Water   Wind   Half-n-half Clue   3. _______ convert chemical energy to electrical energy.   Bulbs   Air conditioners   Battery cells   Microwave ovens   Half-n-half Clue   4. Which is not a 'nonrenewable' source of energy ?   Coal   Petrol   Wind   Soil   Half-n-half Clue   5. Nitrogen-fixing bacterium   Lactobacillus   Salmonella   Clostridium   Rhizobium   Half-n-half Clue   6. Saprophytes derive their food from dead organisms.   True   False   7. Plants manufacture their food by the process of   Photosynthesis   Chemosynthesis   Photokinesis   Symbiosis   Half-n-half Clue