Single Choice

Which of the following is an incorrect pair?

APhylloclade - Opuntia
Bcladode - Ruscus
CPhyllode - Asparagus
Correct Answer
DStem tendrils - Grapevine

Solution

Phylloclade is the modified stem which is flat or cylindrical and capable of unlimited growth. These are green in colour and capable of photosynthesis. Examples are Opuntia, Euphorbia etc.
Cladophyll or cladodes also a modified stem of limited growth. They are green and also capable of photosynthesis. They also bear axillary bud. Examples are Ruscus and some Asparagus species.
Stem tendrils are a thread like flexible structures which can coil around any kind of support. Branched stem tendrils may bear scale leaves in the region of forking, e.g., grapevine.
So, the correct answer is " Phyllodes - Asparagus ".

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