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प्रश्न
A lot of waste is generated in neighborhood. However, almost all of it is biodegradable. What impact will it have on the environment or human health?
उत्तर
Excess generation of biodegradable wastes can be harmful as -
Its decomposition is a slow process leading to production of foul smell and gases. It can be the breeding ground for germs that create unhygienic conditions.
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संबंधित प्रश्न
Energy flow in ecosystem is_____
(A) reverse
(B) unidirectional
(C) bidirectional
(D) multidirectional
Draw a simple diagram showing a food chain.
Food chain begins with
Which one of the following has the largest population in a food chain?
Which of the statement is incorrect?
In the aquatic food chain, a major amount of energy flows through ______.
What will happen to an ecosystem if all producers are removed?
Give two examples of artificial or man made ecosystems. List the salient features by which they differ from natural ecosystems.
Which of the following food chains is the major conduit for energy flow in terrestrial and aquatic ecosystems respectively?
Complete the given chart:
| Trophic levels | Type of organisms | Status | Example |
| ______ | ______ | Secondary consumer | ______ |
| Second trophic level | Herbivore, Heterotrophs | _____ | ______ |
| ______ | ______ | ______ | Phytoplankton, grass, trees |
