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The tissues found in petiole, leaves and stems of herbaceous dicots areCollenchymaParenchymaSclerenchymaAerenchyma

Question

The tissues found in petiole, leaves and stems of herbaceous dicots are:

  • Collenchyma
  • Parenchyma
  • Sclerenchyma
  • Aerenchyma
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Solution

The tissues found in the petiole, leaves, and stems of herbaceous dicots are:

  1. Collenchyma: This tissue provides flexible and mechanical support to the plant. It is usually found in regions of the plant that are growing and elongating. In dicots, collenchyma often constitutes the bulk of the petiole and is usually located near the epidermal cells.

  2. Parenchyma: This is the most common type of plant tissue found in the soft parts of plants, including the petiole, leaves, and stems. Parenchyma cells are responsible for metabolic functions, such as photosynthesis in leaves.

  3. Sclerenchyma: This tissue provides the main structural support to a plant. Sclerenchyma cells have thick lignified cell walls and are often dead at maturity. They are typically found in stems, but can also be found in leaves and petioles, providing additional support.

  4. Aerenchyma: This tissue is not typically found in the petiole, leaves, and stems of herbaceous dicots. Aerenchyma is more commonly found in aquatic and semi-aquatic plants where it provides a low-resistance internal pathway for the exchange of gases such as oxygen and ethylene between the plant above the water and the submerged tissues.

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