MCQ
Ecosystem may be defined as
- AGroup of plants which act as the energy suppliers
- BGroup of organisms which form population
- ✓Functional unit for ecological studies
- DNone of these
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$(A)$ semiautonomous organelles
$(B)$ formed by division of preexisting organelles and they contain $DNA$ but lack protein synthesising machinery.
Which one of the following options is correct ?

$R -$ $2 ATP + 2 FADH_2 + 4 NADH_2$ are produced during glycolysis.