10th Science Two Mark Questions

10th Science Two Mark Questions

10th Biology

8. Waste Water Management

Many students and parents are looking important 10th Science Two Mark Questions for 10th science two mark questions in english and 10th samacheer kalvi science two marks syllabus for English medium. Here we presenting 10th biology 8th lession waste water management unique questions which are mostly expected in 2014 annual exam for 10th Matriculation students. Good Luck for centum.


1. What are the benefits of house hold waste water recycling systems?

Less fresh water usage, Reduce strain in septic tanks, Recharge ground water, Encourage plant growth.

2. What is energy management?

Energy management is a term that relates to saving energy in business, public-sector, government organizations and homes.

3. What is solar energy?

Solar energy is the energy derived directly from the sun. Solar energy is the most abundant source of energy on earth.

4. What is Bio alcohol?

Bio ethanol is an alcohol made by fermenting the sugar components of plant materials and it is made mostly from sugar and starch crops.

5. What are the liquid bio fuels for transportation?

a) Bio alcohol
b) Green diesel
c) Bio diesel
d) Vegetable Oil
e) Bio ethers
e) Bio Gas
6. What is Bio-Gas?

A gas that is produced by the action of bacteria on organic waste, used as a fuel is called Bio Gas.

7. What is Bio- Remediation?

Bio-Remediation can be defined as any process that is done by the use of micro organisms, fungi or their enzymes to treat the contaminants.

8. What is an Energy Audit?

a) An energy audit is an inspection survey and analysis on energy flows for energy conservation in a building, process or system.
b) It is done to reduce the amount of energy input into the system without negatively affecting the outputs.





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