Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Botany
Which one of the following elements is present in green pigment of leaf?
1
Magnesium
2
Phosphorus
3
Iron
4
More than one of the above
5
None of the above