Question

Boojho and Paheli had observed the school gardener making manure. Along with their friends, they collected wastes of plants, vegetables and fruits from nearby houses and gardens. They put them in a pit meant for waste disposal. After some time, it decomposed and got converted to manure. Boojho and Paheli wanted to know how this had happened.
anyone here know the answer so answer fast please

Answer 1

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Answer 2

The Nitrogen fixing cyanobacteria (blue green algae) Cleaning the Environment released in the process can be used by the plants again. Boojho and Paheli had observed the Did you notice that in pot B, the school gardener making manure. Along with their friends, they collected wastes polythene bags, empty glasses, bottles of plants, vegetables and fruits from and broken toy parts did not undergo nearby houses and gardens. They put any such change? The microbes could them in a pit meant for waste disposal. not ‘act’ on them and convert them into After some time, it decomposed and got manure. converted to manure. Boojho and You often see large amounts of Paheli wanted to know how this had dead organic matter in the form of happened. decaying plants and sometimes dead animals on the ground. You find Activity 2.5 that they disappear after some time. This is because the microorganisms Take two pots and fill each pot half decompose dead organic waste of plants with soil. Mark them A and B. Put plant waste in pot A and things like and animals converting them into simple substances. These substances polythene bags, empty glass bottles are again used by other plants and and broken plastic toys in pot B. Put the pots aside. Observe them animals. Thus, microorganisms can after 3-4 weeks. be used to degrade the harmful and smelly substances and thereby clean up the environment. Do you find any difference in the contents of the two pots? If so, what is the difference? You will find that plant 2.4 Harmful Microorganisms waste in pot A, has been decomposed. Microorganisms are harmful in many How did this happen? The plant waste ways. Some of the microorganisms has been converted into manure by the cause diseases in human beings, plants action of microbes. The nutrients and animals. Such disease-causing