Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Ecology & Environment
Which of the following constitutes a food chain?
1
Grass, Wheat and Mango
2
Grass, Goat and Human
3
Goat, Cow and Elephant
4
More than one of the above
5
None of the above