Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Ecosystem
Which of the following combinations are most suitable for composite fish culture?
1
Middle zone feeders and bottom feeders
2
Surface feeders only
3
Bottom feeders
4
More than one of the above
5
None of the above