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Palisade parenchyma is absent in leaves of
A
Gram
B
Sorghum
C
Mustard
D
Soybean
Detailed Solution
In dorsiventral (dicot) leaves the mesophyll is differentiated into palisade parenchyma towards the upper surface and spongy parenchyma towards the lower surface.
Gram, mustard and soybean are dicots and have this differentiation.
In isobilateral (monocot) leaves, such as those of grasses, the mesophyll is not differentiated into palisade and spongy parenchyma.
Sorghum is a monocot (a grass), so its leaves lack palisade parenchyma.
Hence palisade parenchyma is absent in the leaves of sorghum.
Gram, mustard and soybean are dicots and have this differentiation.
In isobilateral (monocot) leaves, such as those of grasses, the mesophyll is not differentiated into palisade and spongy parenchyma.
Sorghum is a monocot (a grass), so its leaves lack palisade parenchyma.
Hence palisade parenchyma is absent in the leaves of sorghum.