Answer
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Hint: Chlorenchyma, as the name indicates, is a parenchymatous tissue that is known to possess chlorophyll (green colored pigment). It plays a role in the process of photosynthesis and is present in the ground tissue of the leaves of the plant.
Complete answer:
Leaves of a plant are composed of three types of tissues i.e., dermal tissues, vascular tissues, and internal ground tissues. Dermal tissues most probably make up the upper and lower epidermis of leaves. Vascular tissues such as xylem and phloem are present in the veins of leaves. The remaining ground tissue which is present in between the upper and lower epidermis of leaves, known as the mesophyll, is composed of 2 types of parenchymatous cells: palisade (making the upper layer, elongated cells) and spongy (making the lower layer, spherical or ovoid) parenchymatous cells. These parenchymatous cells are modified to possess chlorophyll, hence, termed as chlorenchyma parenchymatous cells.
- Sporophyll can be defined as a modified leaf that bears sporangia (structures that produce spores).
- Hypsophyll can be defined as any of the parts of a flower that is derived from leaves such as sepals, petals, bracts.
- Chlorophyll is a green-colored pigment present in plants, algae, and cyanobacteria that has its role in photosynthesis.
Hence, the correct answer is option (A).
Note: Mesophyll cells in leaves are responsible for photosynthesis as well as the exchange of gases from the surface of the leaf. They are composed of parenchymatous cells that are modified to possess chlorophyll in them which are known as chlorenchyma cells.
Complete answer:
Leaves of a plant are composed of three types of tissues i.e., dermal tissues, vascular tissues, and internal ground tissues. Dermal tissues most probably make up the upper and lower epidermis of leaves. Vascular tissues such as xylem and phloem are present in the veins of leaves. The remaining ground tissue which is present in between the upper and lower epidermis of leaves, known as the mesophyll, is composed of 2 types of parenchymatous cells: palisade (making the upper layer, elongated cells) and spongy (making the lower layer, spherical or ovoid) parenchymatous cells. These parenchymatous cells are modified to possess chlorophyll, hence, termed as chlorenchyma parenchymatous cells.
- Sporophyll can be defined as a modified leaf that bears sporangia (structures that produce spores).
- Hypsophyll can be defined as any of the parts of a flower that is derived from leaves such as sepals, petals, bracts.
- Chlorophyll is a green-colored pigment present in plants, algae, and cyanobacteria that has its role in photosynthesis.
Hence, the correct answer is option (A).
Note: Mesophyll cells in leaves are responsible for photosynthesis as well as the exchange of gases from the surface of the leaf. They are composed of parenchymatous cells that are modified to possess chlorophyll in them which are known as chlorenchyma cells.
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