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प्रश्न
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as ____________.
पर्याय
Biomagnification
Bioremediation
Biomethanation
Bioreduction
उत्तर
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as Bioremediation.
संबंधित प्रश्न
How can you help in reducing the problem of waste disposal? Give any two methods.
Students in a school listened to the news read in the morning assembly that the mountain of garbage in Delhi suddenly exploded and various vehicles got buried under it. Several people were also injured and there was traffic jam all around. In the brain storming session the teacher also discussed this issue and asked the students to find out a solution to the problem of garbage. Finally they arrived at two main points -one is self management of the garbage we produce and the second is to generate less garbage at individual level.
1) Suggest two measures to manage the garbage we produce.
2) As an individual, what can we do to generate the least garbage? Give two points.
3) List two values the teacher instilled in his student in this episode.
Mention any two sources of wastes.
What is garbage?
Every household produces a lot of material A daily. In one of the methods of disposal B, material A is burned at a very high temperature of about 1000°C in a structure called C. During this process, the organic matter present is removed as D and E whereas F is left behind (which can be dumped in a landfill site).
(a) What is material A?
(b) Name the method of disposal B.
(c) What is structure C known as?
(d) What are (i) D (ii) E, and (iii) F?
(e) This method is especially suitable for the disposal of materials produced by certain institutions. Name such institutions.
What can an individual do to reduce waste at home?
Match the items in column ‘A’ with the proper ones in column ‘B’ and explain their impact on the environment.
| Column ‘A’ | Column ‘B’ |
| 1. Harmful waste | a. Glass, rubber, carry bags, etc. |
| 2. Domestic waste | b. Chemicals, pigments, ash, etc. |
| 3. Biomedical waste | c. Radioactive material |
| 4. Industrial waste | d. Leftover food, vegetables, peelings of fruits. |
| 5. Urban waste | e. Bandages, cotton, needles, etc. |
What is known as waste?
How is solid waste disposed of in ah incinerator?
Write any two things that can be recycled.
Discuss the role of an individual to reduce environmental pollution.
What is compost?
What is waste disposal or final disposal?
Garbage buried inside landfills remain here for a long time as they decompose very slowly and become _______.
What is Landfill?
Give the Solid Waste Management (SWM) rules.
Provide a suitable term that expresses the meaning of the following statement.
Contents of the waste bins.
