Optimum temperature conditions for photosynthesis in C3 and C4 plants are respectively

Question

Optimum temperature conditions for photosynthesis in C3 and C4 plants are respectively (A) 10° C-25° C and 30° C-45° C (B) 30° C-45° C and 10° C-25° C (C) 0° C-10° C and 10° C-30° C (D) 25° C-30° C and 40° C-50° C

Tardigrade Admin · Accepted Answer

Active site of RuBisCO for carboxylation and oxygenation is the same. The enzyme has more affinity for CO2 as compared to oxygen. Active oxygenation occurs only when CO2: O2 ratio favours it.

Q. Optimum temperature conditions for photosynthesis in $C_{3}$ and $C_{4}$ plants are respectively

$1 0^{\circ} C - 2 5^{\circ} C$ and $3 0^{\circ} C - 4 5^{\circ} C$

$3 0^{\circ} C - 4 5^{\circ} C$ and $1 0^{\circ} C - 2 5^{\circ} C$

$0^{\circ} C - 1 0^{\circ} C$ and $1 0^{\circ} C - 3 0^{\circ} C$

$2 5^{\circ} C - 3 0^{\circ} C$ and $4 0^{\circ} C - 5 0^{\circ} C$

Active site of $R u B i s CO$ for carboxylation and oxygenation is the same. The enzyme has more affinity for $C O_{2}$ as compared to oxygen. Active oxygenation occurs only when $C O_{2} : O_{2}$ ratio favours it.

Q. Optimum temperature conditions for photosynthesis in C3​ and C4​ plants are respectively

10∘C−25∘C and 30∘C−45∘C

30∘C−45∘C and 10∘C−25∘C

0∘C−10∘C and 10∘C−30∘C

25∘C−30∘C and 40∘C−50∘C