Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test People Development & Environment Basics of Environment Ecology and Ecosystem
What is composite fish culture?
1
Raising fish as an integral component of agriculture, as in rice paddy fields.
2
Imported fish are raised instead of native fish for higher income.
3
Raising simultaneously multiple fish species occupying different zones in a pond.
4
More than one of the above
5
None of the above