8 Marks Questions
What is venation ? Describe the structure of a leaf. What is the function
of venation ?
(ASI)
enatets arranged
Answers
Answer:
the pattern of veins in the blood of leaves is called venation.
atypical live consists of the following parts leaf base petiole lamina midrib and veins and stomata
- leaf base
Alif is attached to the stem with its leaf base
- petiole
it is the leaves stock. it connects to the leaf to the stem some leaves. attached directly to the stem without a petiole and are known as she leaves leaves that have a particular known as petiolate.
- Lamina
this is the main part of the leaf it is usually green flat and broad part of the leaf the edge of the lamina is known as margin the cells of lamina contain a pigment known as chlorophyll which helps them in preparing food for the plant it is also known as live played the outline of the leaf plate is known as leaf margin and the tip of the leaf is known as leaf apex.
- Midrib and veins
midrib forms the middle axis of the leaf blade it is formed by the extension of petiole the lateral branches arising from the middle grades are called wins the midrib and the veins formed the Transportation system of the leaf.
- stomata
these are tiny pores underneath the leaf which allow entry and exit of gases the absorption of carbon dioxide and release of Oxygen and water vapour happens to the stomata.
And sorry because I don't know what is the function of venation of leaf(╯︵╰,)
Answer:
What is venation: venation in a leaf are small tubes which help transport water
what is the function of venation:function is to conduct water through xylem, provide channel for translocation of organic nutrients and conduction of minerals.
Explanation:
hope this helps