MCQ
Choose incorrect sentence.
- AStem is modified for climbing in watermelon.
- BStem thorns are found in Bougainvillea.
- ✓Stem become flat and decrease photosynthesis in Euphorbia.
- DStem is modified for reproduction in Eichhornia.
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$I.$carboxylation $II.$ ligation $III.$ reduction $IV.$ regeneration
Select the correct option
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: