Question
Distinguish between
Food chain and Food web.
Food chain and Food web.
| Food chain | Food web | |
| 1 | Food chain is single pathway of energy transfer from upper to lower. | Food web is made of several interconnecting pathways. |
| 2 | One individual occupies one trophic level at a time. | One individual occupies many trophic level at a time. |
| 3 | It decreases stability of the ecological system and less adaptive. | It increases stability of the ecological system and more adaptive. |
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| Type of Microbe | Scientific Name | Commercial Product |
| Bacterium | a | Lactic acid |
| Fungus | b | Cyclosporin A |
| c | Monascus purpureus | Statin |
| Fungus | Penicillium notatum | d |
Classify the given plant growth regulators as per their specific control of event in plant life cycle in Column A and complete Column B.
(IAA, GA, Cytokinin, Abscissic acid)
| Column A | Column B |
| (1) Shedding of leaves | ————- |
| (2) Induce flowering in LDP | ———— |
| (3) Apical dominance | ————- |
| (4) Induce RNA synthesis | ————- |