MCQ
Which of the following ecosystems has highest productivity?
- ATropical deciduous forest
- BTemperate coniferous forest
- ✓Tropical rain forest
- DDesert shrub
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Statement $I$: In $\mathrm{C}_3$ plants, some $\mathrm{O}_2$ binds to $\mathrm{RuBisCO}$, hence $\mathrm{CO}_2$ fixation is decreased.
Statement $II$: In $\mathrm{C}_4$ plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration.
In the light of the above statements, choose the correct answer from the options given below:
$I$. Agrochemical based agriculture
$II$. Organic agriculture
$III$. Genetically engineered crop-based agriculture
Choose the correct option