In C4 plants, the fixation of carbon dioxide takes place in mesophyll cells with the help of enzyme PEPcase. The synthesis of sugar takes place in bundle-sheath cells with the help of RuBisCO enzymes.
Which of the following statements is incorrect?
Held on 30 Apr 2020 · Verified 9 Jul 2026.
RuBisCO is a bifunctional enzyme
In C4 plants, the site of RuBisCO activity is mesophyll cell
The substrate molecule for RuBisCO activity is a 5−carbon compound
RuBisCO action requires ATP and NADPH
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Match List I with List II: $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Chlorophyll a} & \text{(i)} & \text{Yellow-green} \\\hline \text{B.} & \text{Chlorophyll b} & \text{(ii)} & \text{Yellow} \\\hline \text{C.} & \text{Xanthophylls} & \text{(iii)} & \text{Blue-green} \\\hline \text{D.} & \text{Carotenoids} & \text{(iv)} & \text{Yellow to Yellow-orange} \\\hline\end{array}$ Choose the option with all correct matches.
Which of the following statements about RuBisCO is true?
Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option. 
Which one of the following products diffuses out of the chloroplast during photosynthesis?
Given below are two statements: Statement I: In $\mathrm{C}_3$ plants, some $\mathrm{O}_2$ binds to 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:
Work through every NEET UG Photosynthesis in Higher Plants PYQ, year by year.