Biodegradation
Trending Questions
Q. Which of the following is not a biodegradable waste?
- Human and animal waste
- Electronic devices
- Plant products
- Paper
Q. If a material is biodegradable, it means that it can be consumed by microorganisms.
- True
- False
Q. Biodegradable wastes can be employed to produce
- both of these
- manure
- none of these
- biogas
Q. Microorganisms do not help in biodegradation.
- True
- False
Q. Organisms responsible for biodegradation play a role of decomposers in an ecosystem.
- True
- False
Q. Biodegradation is carried out by bacteria and some fungi.
- False
- True
Q. Nowadays, the usage of bioplastics is promoted more than ordinary plastics because:
- All bioplastics are biodegradable or compostable.
- Bioplastics break down under the influence of natural elements.
- Compostable products can be turned into compost within six months.
- They are more aesthetically pleasing.
Q. The increase in concentration of a chemical in organisms as we move from lower to higher trophic levels is called .
- eutrophication
- biomagnification
- BOD
Q.
Write a short note on the recycle method in the 3 R′s [2 MARKS]
Q.
What name has been given to those organisms which break down the complex organic compounds present in dead animals and plants?