Light-independent reactions or dark reactions occur in the stroma/ stromal matrix. During these reactions carbon dioxide is reduced to carbohydrates.
NEET UG 2015 — Botany Photosynthesis in Higher Plants
In photosynthesis, the light-independent reactions take place in
Held on 30 Apr 2015 · Verified 9 Jul 2026.
Photosystem I
Photosystem II
Stromal matrix
Both (A) and (B)
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Which of the following statements about RuBisCO is true?
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.
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:
Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option. 
Which of the following are required for the dark reaction of photosynthesis? A. Light B. Chlorophyll C. $\mathrm{CO}_2$ D. ATP E. NADPH Choose the correct answer from the options given below:
Work through every NEET UG Photosynthesis in Higher Plants PYQ, year by year.