A
The artificial channel created to connect two major international river basins.
B
The volume of water diverted exclusively for transboundary industrial irrigation.
C
The maximum seasonal flood discharge recorded during the monsoon period.
D
The minimum quantity of water required to maintain aquatic ecosystems and river health.
Correct answer: (d) The minimum quantity of water required to maintain aquatic ecosystems and river health.
Explanation
Option D is correct because ecological flow is defined as the minimum quantity of water required to maintain aquatic ecosystems and river health. Options A, B, and D misrepresent the ecological definition of the term.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
-
2025 · Q38 · UPPGS
Operation Brahma was launched by India in March 2025 to provide humanitarian aid to which of the following countries? 1. Bangladesh 2. Myanmar 3. Sri Lanka 4. Malaysia Select the correct answer from the code given below: -
2025 · Q88 · UPPGS
Consider the following sources of world water supply and arrange them in descending order. 1. Oceans 2. Rivers 3. Polar ice and Glaciers 4. Ground water Select the correct answer from the code given below: -
2020 · Q71 · UPPGS
First ever containership from Kolkata Port to Agartala was sent through which one of the following Ports of Bangladesh in July 2020 ?