Question

Explain about these all parts.

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Answer 1

Answer:

Cuticle :-

cuticle is the outermost layer of plants, which covers leaves, fruits, flowers, and non-woody stems of higher plants.

Upper epidermis :-

Upper epidermis refers to a single layer of cells on the upper surface of the leaf, which aids water conservation. It. possesses a waxy and waterproof cuticle layer on top of the epidermal cells.

Palisade parenchyma :-

Palisade parenchyma is the upper layer of ground tissue in a leaf. It is present in the upper epidermis. It consists of elongated cells. It is the primary area of photosynthesis as it contains chlorophyll. It is also called as palisade mesophyll.

Xylem :-

Xylem is a type of tissue in vascular plants that transports water and some nutrients from the roots to the leaves.

Phloem :-

Phloem is the vascular tissue in charge of transport and distribution of the organic nutrients.

Spongy parenchyma :-

The spongy parenchyma has many spaces between cells to facilitate the circulation of air and the exchange of gases. It lies just below the palisade layer. Also called spongy mesophyll.

Air space :-

The air space found between the spongy parenchyma cells allows gaseous exchange between the leaf and the outside atmosphere through the stomata.

Guard cell :-

Guard cells are specialized plant cells in the epidermis of leaves, stems and other organs that are used to control gas exchange.

Lower epidermis :-

Lower epidermis refers to a single layer of cells on the lower surface of the leaf that contains stomata and guard cells. It contains more stomata than upper epidermis.

Stomata :-

Stomata are the tiny openings present on the epidermis of leaves. We can see stomata under the light microscope.

Explanation:

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