STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS
MORPHOLOGY OF FLOWERING PLANTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ALTERNATE
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OPPOSITE
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WHORLED
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NONE OF THESE
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Detailed explanation-1: –Phyllotaxy in Calotropis is opposite because leaves at the nodes are opposite from one another. At right angles, if the successive pairs of leaves are placed opposite to one another then the arrangement is called as Opposite decussate.
Detailed explanation-2: -In opposite phyllotaxy, two leaves arise from the node in opposite directions. It is seen in guava, Calotropis. In whorled phyllotaxy. more than two leaves arise from the node.
Detailed explanation-3: -Phyllotaxy is the term used for the arrangement of the leaves at the stem. Opposite phyllotaxy is the term used where the two leaves at the node are always opposite to each other.
Detailed explanation-4: -Morphology of Calotropis procera leaf [a-A twig with oppositely arranged subsessile leaves; b-Broadly ovate or elliptical, cottony, pubescent when young and glabrous on maturity; c-Portion of the lamina showing venation pattern]
Detailed explanation-5: -Thus, the correct answer is ‘Calotropis.