NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice
In which of these options, the plants are correctly matched with the modification seen in them? Phylloclade Phyllode Cladode (i) Opuntia Asparagus Acacia (ii) Casuarina Opuntia Asparagus (iii) Euphorbia Asparagus Casuarina (iv) Euphorbia Opuntia Acacia
Options
- A(i)
- B(ii)
- C(iii)
- D(iv)
Correct answer
A. (i)
Step-by-step solution
Phylloclade is green photosynthetic flattened or rounded succulent stem with reduced leavesmodified 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.