Paper 1 · People, Development and Environment
UGC NET June 2024 Re-Exam (04.09.2024) Shift-II
Which of the following are biogas? Choose the correct answer from the options given below.
- 1. Marsh gas
- 2. Swamp gas
- 3. Producer gas
- 4. Compost gas
- 5. Flue gas
A1, 2, 4 only ✓ Correct
B2, 3, 5 only
C1, 3, 5 only
D3, 4, 5 only
Correct answer: (A) 1, 2, 4 only — The biogases are 1, 2 and 4, so that is the answer.
Explanation
★The biogases are 1, 2 and 4, so that is the answer.
★Marsh gas is a form of biogas from marshes.
★Swamp gas is a similar biogas.
★Compost gas is biogas from decomposing compost.
★Producer gas and flue gas are not biogases.
★Hence 1, 2 and 4 is correct.
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