Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Ecosystem
In a food chain, _______ can be taken as the average value for the amount of organic matter that is present at each step and reaches the next level of consumers.
1
10%
2
0.01%
3
0.1%
4
More than one of the above
5
None of the above