MCQ
The number of primary producer within a specified area would be maximum in
- ✓Pond ecosystem
- BGrassland
- CDesert
- DForest ecosystem
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$(I)$ Ethanol is produced by $...a...$
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$(III)$ Penicillin is discovered by $...C...$
$(IV)$ LAB checks disease causing microbes in $...d...$ $a$ to $d$ in the above statements refers to