MCQ
Meiosis occurs in organisms during.
- ASexual reproduction.
- BVegetative reproduction.
- CBoth sexual and vegetative reproduction.
- DNone of the above.
Explanation:
Meiosis is a cell division which ensures production of haploid phase in life cycle of sexually reproducing organisms. It reduces the chromosome number to half, so that each daughter nuclei receives only one set of each kind of chromosome.
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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: