UPSC CSE Prelims
Question 15
It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry ?
- Production of algae based biofuels is possible in seas only and not on continents.
- Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed.
- Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: Algae can be cultivated in fresh water, saline ponds, tanks and photobioreactors as well as in marine environments. Technical complexity and scale-related costs are real barriers for poorer countries.
Statement/Pair-wise Analysis:
Statement/Item 1: Incorrect - Cultivation is possible on land in open ponds or enclosed systems, not only at sea.
Statement/Item 2: Correct - Establishing controlled cultivation, harvesting and processing requires specialised expertise and technology.
Statement/Item 3: Correct - Large-scale commercially viable systems may use significant water, land or resources and cause ecological or social concerns.
Option-wise Analysis:
A: Incorrect - includes incorrect statement/item 1; omits correct statement/item 3.
B: Correct - includes all and only the true statements/items.
C: Incorrect - omits correct statement/item 2.
D: Incorrect - includes incorrect statement/item 1.