A) \[{{C}_{1}}\] plants
B) \[{{C}_{4}}\]plants
C) \[{{C}_{3}}\]plants
D) \[{{C}_{2}}\]plants.
Correct Answer: B
Solution :
: The plants in which\[C{{O}_{2}}\]fixation takes place by Calvin cycle only are called\[{{C}_{3}}\]plants and those by Hatch-Slack pathway are known as\[{{C}_{4}}\]plants. The anatomy of leaves of\[{{C}_{4}}\]plants is different from that of\[{{C}_{3}}\]plants. \[{{C}_{4}}\] plants have a special type of anatomy called Kranz anatomy. In the mesophyll tissue of leaves of these plants, palisade tissue is absent and only rounded parenehymatous cells are found. There is a bundle sheath around the vascular bundles. In the bundle sheath cells, large chloroplasts without grana are present, whereas in mesophyll cells there are smaller chloroplasts with well developed grana.
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