NEET Biology question

BiologyMorphology of Flowering PlantsNEET

The following table summarises the comparisons between phylloclades and cladodes (cladophylls). Pick up the wrong differences and select the correct option.

| | Phylloclade | Cladode | |---|---|---| | (i) | Both main stem and branches are modified to function like leaves | Only the branches are modified to take over the function of leaves | | (ii) | Has limited or definite growth | Has unlimited or indefinite growth | | (iii) | Consists of several nodes and internodes | Usually one internode long | | (iv) | True leaves are commonly caducous | True leaves are either reduced to scales or modified to spines | | (v) | Examples: *Ruscus aculeatus* | Examples: *Opuntia*, *Euphorbia royleana* |

Answer: (B)

Solution

Phylloclades (as in *Opuntia*, *Euphorbia royleana*) actually show unlimited/indefinite growth with several nodes and internodes, while cladodes (as in *Ruscus aculeatus*, *Asparagus*) show limited/definite growth, usually just one internode long — so row (ii) has the growth habits

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-107641