1. Plants manufacture their food by the process of   Photosynthesis   Chemosynthesis   Photokinesis   Symbiosis   Hint Half-n-half Clue   2. Which is not a 'biotic part' of the ecosystem ?   Plants   Insects   Bacteria   Water   Half-n-half Clue   3. Interaction between organisms of different species so as to get benefit from each other is known as   Etiolation   Predation   Symbiosis   Saprophytism   Half-n-half Clue   4. In atom bomb explosion, _______ energy is primarily converted into _______ energy.   chemical, light   chemical, atomic   atomic, heat   atomic, sound   Half-n-half Clue   5. Water is used to produce electricity.   True   False   6. Light energy is converted into chemical energy by the process of   Photoperiodism   Photosynthesis   Photokinesis   Symbiosis   Half-n-half Clue   7. Belladona has medicinal properties.   True   False