1. Which is not true regarding parasites ?   They live on or inside the other organism.   They are always beneficial to the other organism.   Leech is a parasite.   They derive their food from the organism on which they live.   Hint Half-n-half Clue   2. Interaction between organisms of different species so as to get benefit from each other is known as   Etiolation   Symbiosis   Saprophytism   Predation   Half-n-half Clue   3. The property of plants to manufacture their food is known as _______.   Phototropism   Phototaxis   Photokinesis   Autotrophism   Half-n-half Clue   4. Plants manufacture their food by the process of   Photokinesis   Chemosynthesis   Symbiosis   Photosynthesis   Half-n-half Clue   5. Saprophytes derive their food from dead organisms.   True   False   6. What is the name given to the green pigment in plants ?   Tendrils   Chlorophyll   Starch   Stomata   Half-n-half Clue   7. Mammals are homeothermic animals.   True   False