what is a leaf ......?????
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Leaf ,the most imp. Part of plant also known as kitchen house coz it contains stomata on upper and lower epidermis for gaseous exchange
It is covered with cutin layer and contain xylem and phloem in mid rib and veins . It's base is called lamina.
Stomata helps for gaseous exchange of CO2 and O2 and H2O out of which co2 and h2 from h2o is combined to form glucose in thylakoids in chloroplast.
Leaf consist of chlorophyll pigment which makes it green also plant and leaf reflects green light so is seen green .
Also leaf has mesophyll layer b/w upper and lower epidermis.
It has epithem or hydathode cell for guttation. Mark it as Brainliest Ans.
It is covered with cutin layer and contain xylem and phloem in mid rib and veins . It's base is called lamina.
Stomata helps for gaseous exchange of CO2 and O2 and H2O out of which co2 and h2 from h2o is combined to form glucose in thylakoids in chloroplast.
Leaf consist of chlorophyll pigment which makes it green also plant and leaf reflects green light so is seen green .
Also leaf has mesophyll layer b/w upper and lower epidermis.
It has epithem or hydathode cell for guttation. Mark it as Brainliest Ans.
Answered by
3
Answer:
leaf
Explanation:
*Leaf is a part of a plant.
*Leaf is green in colour.
*It has veins and it prepares food for the plant; This process is known as photosynthesis.
*They are used in transpiration.
*They are flattened structure of a higher plant.
*They are attached to the stem directly or via a stalk.
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