NEET 2016 Biology question

Which of the following is not a stem modification?

(1)Pitcher of NepenthesCorrect
(2)Thorns of citrus
(3)Tendrils of cucumber
(4)Flattened structures of Opuntia

Answer: (1)

Solution

In Nepenthes (insectivorous plant) the pitcher is a modified leaf (the leaf-lamina forms the pitcher). Thorns of Citrus and Bougainvillea are modified axillary buds (stem), tendrils of

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Question ID VK-091972