Q. Which of the following statement(s) is/are correct about venation?
(i) The arrangement of veins and the veinlets in the lamina of leaf is called venation.
(ii) Reticulate venation is the characteristic of monocots.
(iii) When the veinlets form a network, the venation is termed as reticulate venation.
(iv) When the veins run parallel to each other within a lamina, the venation is termed as parallel venation.

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Solution:

Reticulate venation is the characteristic of dicots. In reticulate venation the main vein a of leaf forms numerous irregular branches and as a result a net like arrangement is formed.