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Question

Kranz anatomy can be observed in leaves of

A
Sorghum
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B
Spinach
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C
Mustard
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D
Tulip
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Solution

The correct option is B Sorghum
While most plants follow a C3 pattern of carbon fixation, there are a few that take up C4 carbon fixation. This process is so named because of the 4-carbon molecule present in the first product of carbon fixation process. The plants that take up this mode of carbon fixation possess a characteristic leaf anatomy called as kranz anatomy, where the vascular bundles are surrounded by two rings of cells- the inner ring contains starch rich chloroplasts and outer mesophyll cells. Species of the Poaceae family that make up 61% of C4 species include maize, sugarcane, millet and Sorghum
So, the correct answer is 'Sorghum'

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