how can you distinguish between a dicot and monocot leaf ?
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Answer:
Monocot Leaf:-
Monocot leaves are present in monocot plants. Monocots have one cotyledon within its seed. They possess isobilateral symmetry. Monocot leaf has a double epidermal layer, one on the upper surface and other on the lower surface. The thick cuticle is present on the outer surface whereas the lower surface has thin cuticle. The cells of the epidermis are filled with many chloroplasts. Bulliform cells are present on the upper epidermis. Epidermis of monocots also possesses many intercellular spaces in them. The mesophyll is present in the spongy parenchyma. Monocot leaf has an equal number of stomata on either side. Monocot leaves possess parallel veins in them. Many vascular bundles are present in them. The central vascular bundle is mostly larger than others. Double layer sheath surrounds each vascular bundle. The outer layer is thick and the inner layer is thin. Xylem consists of vessels and tracheids and occurs towards the upper surface. Phloem consists of tubes. Examples of monocot leaves are grass and other grasslike plants.
·Monocot have one cotyledon.
·Monocot leaves have an equal number of stomata on each of their surfaces.
Dicot Leaf:-
Dicot leaves are present in dicots plants. Dicots have two cotyledons within its seed. They possess dorsiventral symmetry. Dicot leaf also has a double epidermal layer, one on the upper surface and other on the lower surface. The cuticle is present uniformly on the outer and inner surface. Bulliform cells are usually absent. The mesophyll is made up of two kinds of tissues, one spongy parenchyma, and the other one is palisade parenchyma. Dicot leaves have large intercellular spaces in them. Dicots leaf have more stomata on their lower surface. Dicots leaves have net-veins in them. Many large and small vascular bundles are present in them. A bundle sheath surrounds each vascular bundle. Xylem consists of vessels and presents towards the upper epidermis. Phloem is situated towards the lower epidermis of them, and it also consists of tubes like in monocots. Examples of dicots leaves are trees and such other plants.
· Dicots have two cotyledons.
·Dicote leaves have more stomata on their lower surface has compared to the higher surface.
Explanation:
between a dicot and monocot leaf ?
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Answer:
Monocot Leaf:-
Monocot leaves are present in monocot plants. Monocots have one cotyledon within its seed. They possess isobilateral symmetry. Monocot leaf has a double epidermal layer, one on the upper surface and other on the lower surface. The thick cuticle is present on the outer surface whereas the lower surface has thin cuticle. The cells of the epidermis are filled with many chloroplasts. Bulliform cells are present on the upper epidermis. Epidermis of monocots also possesses many intercellular spaces in them. The mesophyll is present in the spongy parenchyma. Monocot leaf has an equal number of stomata on either side. Monocot leaves possess parallel veins in them. Many vascular bundles are present in them. The central vascular bundle is mostly larger than others. Double layer sheath surrounds each vascular bundle. The outer layer is thick and the inner layer is thin. Xylem consists of vessels and tracheids and occurs towards the upper surface. Phloem consists of tubes. Examples of monocot leaves are grass and other grasslike plants.
·Monocot have one cotyledon.
·Monocot leaves have an equal number of stomata on each of their surfaces.
Dicot Leaf:-
Dicot leaves are present in dicots plants. Dicots have two cotyledons within its seed. They possess dorsiventral symmetry. Dicot leaf also has a double epidermal layer, one on the upper surface and other on the lower surface. The cuticle is present uniformly on the outer and inner surface. Bulliform cells are usually absent. The mesophyll is made up of two kinds of tissues, one spongy parenchyma, and the other one is palisade parenchyma. Dicot leaves have large intercellular spaces in them. Dicots leaf have more stomata on their lower surface. Dicots leaves have net-veins in them. Many large and small vascular bundles are present in them. A bundle sheath surrounds each vascular bundle. Xylem consists of vessels and presents towards the upper epidermis. Phloem is situated towards the lower epidermis of them, and it also consists of tubes like in monocots. Examples of dicots leaves are trees and such other plants.
· Dicots have two cotyledons.
·Dicote leaves have more stomata on their lower surface has compared to the higher surface.