Question

State one function of each of the following:-
a)Stilt roots in sugarcane
b)Tendrils in passion flower
c)Spines in cacti
d)Veins in a leaf​

Answer 1

Explanation:

a)The stilt roots are modifications of adventitious roots that grow obliquely from the lower or basal nodes of the stem. ... The lower nodes of maize and sugarcane stem elongate to form adventitious root fibers that are called stilt roots. These roots provide extra support to the plants that are weak in nature.

b)The tendrils of the plant help it to obtain a better growth. The different types of tendrils have the same purpose: to help in the plant growth. ... This type of tendrils is common in green peas (Pisum sativum). Some plants, like passiflora, or passion flower, originate its tendrils from the axis of the leaves.

c)Spines are also modified leaves. In cacti, spines are wholly transformed leaves that protect the plant from herbivores, radiate heat from the stem during the day, and collect and drip condensed water vapour during the cooler night. In the many species of the spurge family.

d)The vein xylem transports water from the petiole throughout the lamina mesophyll, and the phloem transports sugars out of the leaf to the rest of the plant. ... One or more first‐order veins run from the petiole to the leaf apex, with second‐order veins branching at intervals, and third‐order veins branching between.

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