Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which one is \[{{C}_{4}}\]plant? (1) Maize (2) Sugarcane (3) Wheat (4) RiceA) 1,2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: B
Solution :
\[{{C}_{4}}\] plants live in hot moist or arid and non-saline or saline habitat. They have Kranz anatomy. In Kranz anatomy, the mesophyll is undifferentiated and its cells occur in concentric layers around vascular bundles. These plants are called \[{{C}_{4}}\]plants because of the first stable photosynthetic product being a 4 carbon compound. \[{{C}_{4}}\] plants perform photosynthesis even when stomata are closed (from \[C{{O}_{2}}\]produced in respiration), e.g.. Maize, sugarcane, sorghum, panicum, amaranthus etc.
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