Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which of the following is an abiotic component of an ecosystem?
1
Humus
2
Plants
3
Bacteria
4
More than one of the above
5
None of the above