A) types of pigments involved in photosynthesis
B) the number of NADPH that are consumed in preparing sugar
C) types of end product of photosynthesis
D) the substance that accepts \[C{{O}_{2}}\] in carbon assimilation and first stable product
Correct Answer: D
Solution :
Some differences in \[{{C}_{3}}\] and \[{{C}_{4}}\] plants.| \[{{C}_{3}}\] Plants | \[{{C}_{4}}\] Plants |
| Algae (Chorella) sunflower, beans mustard etc. | Maize, sorghum, sugarcane and other graminaceous plants. |
| Plants Calvin cycle. | Plants have Hatch and Slack cycle. |
| The first stable product of photosynthesis is 3-C compound, phosphoglyceric acid (PGA). | The first stable product is 4-C compound, oxaloacetic acid or malic acid in succulents. |
| There is only one \[C{{O}_{2}}\] acceptor e.g., ribulose-diphosphate | There are two \[C{{O}_{2}}\] acceptor, e.g., phosphoenol pyruvic acid and RUDP. |
| Kranz anatomy is absent. | The leaves have Kranz type of anatomy. |
| The optimum temperature lies between \[10-{{25}^{o}}C\]. | The optimum temp. lies between \[30-{{25}^{o}}C\]. |
| Photosynthetic occurs, which reduces the photosynthetic yield. | No photorespiration. |
| Chloroplast have PS-I and PS-II. | Bundle sheath chloroplast lack photosystem-II, therefore, depends upon mesophyll for supply of \[NADPH+{{H}^{+}}\]. |
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