Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Zoology
Nephridia, is an excretory organ present in which of the following organism?
1
Earthworm
2
Locust
3
Sea-anaemone
4
More than one of the above
5
None of the above