Q. In which of these options, the plants are correctly matched with the modification seen in them?
Phylloclade Cladode Phyllode
(i) Opuntia Asparagus Acacia
(ii) Casuarina Opuntia Asparagus
(iii) Euphorbia Asparagus Casuarina
(iv) Euphorbia Opuntia Acacia

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Solution:

Phylloclade is a green photosynthetic flattened or rounded succulent stem with reduced leaves modified into spines. Phylloclade is seen in opuntia, casuarina, euphorbia, cactus. Cladode is a also a modification of stem which usually is one or two internodes long and is succulent. Cladode is seen in asparagus and ruscus. Phyllode is a modification of leaf in which its petiole becomes flat and functions as normal leaf. It is seen in Australian acacia.