QUESTION 6
GS3
10 marks
Discuss several ways in which microorganisms can help in meeting the current fuel shortage.
WRITE IN
7 min
150 words
What the examiner wants
Discuss ways in which microbes can produce fuels to ease the energy shortage.
DiscussExplain the different sides of the issue, use evidence, and finish with a balanced view.
Demand-wise check
- 1Biogas: anaerobic digestion by methanogens≈35 words
- 2Bioethanol: yeast fermentation of sugars; 2G ethanol from crop residue with enzymes≈35 words
- 3Biodiesel and algal fuels, biohydrogen, microbial fuel cells; Indian programmes≈35 words
Open in about 20 words and close in about 20.
Answer plan
ContextEach microbial routeIndian examplesChallengesConclusion
Where marks usually go
- Not naming the microbes or process
- No Indian programme
Draw this
- Table: microbe → process → fuel
Value addition
- ExamplePanipat 2G ethanol plant (IOCL, 2022) converts rice straw to ethanol.Indian Oil Corporation
- SchemeSATAT promotes compressed biogas plants.Ministry of Petroleum and Natural Gas
Next: plan for one minute, write it in 7 minutes, then get it checked.