Questions
A and B are twigs with with 20 leaves each. A belongs China-rose and B to Calotropis. Then how many nodes are present in twig A and twig B respectively.
a
20 and 10
b
10 and 20
c
20 and 20
d
10 and 10
detailed solution
Correct option is A
China-rose has alternate phyllotaxy i.e. every node has only one leaf. Hence twig A has 20 nodes. Twig B of Calotropis has opposite phyllotaxy with two leaves at each node. 20 leaves are present at 10 nodes.Talk to our academic expert!
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Choose the pair of plants that have two leaves at every node.
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