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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Match the following and choose the correct option from belowColumn IColumn II A.Cuticlei.Guard cells B.Bulliform cellsii.Single layer C.Stomataiii.Waxy layer D.Epidermisiv.Empty colorless cell

    Question: Match the following and choose the correct option from below Column IColumn II A.Cuticlei.Guard cells B.Bulliform cellsii.Single layer C.Stomataiii.Waxy layer D.Epidermisiv.Empty colorless cell

    Options:

    A – iii, B – iv, C – i, D – ii
    A – i, B – ii, C – iii, D – iv
    A – iii, B – ii, C – iv, D – i
    A – iii, B – ii, C – i, D – iv

    🔑 Key Points
    Concept:
    → The epidermal tissue system forms the outer-most covering of the whole plant body and comprises epidermal cells, stomata, and the epidermal appendages – the trichomes and hairs.
    → The epidermis is the outermost layer of the primary plant body.
    → It is made up of elongated, compactly arranged cells, which form a continuous layer.

    📝 Additional Information:
    → The cuticle is a waxy layer. It covers the upper or lower or both surfaces of leaves of plants that inhabit aquatic or xerophytic conditions.
    → Bulliform cells are empty colorless cells present in monocot leaves. It prevents water loss by rolling in during water stress.
    → Guard cells are present in stomata. A typical stoma is microscopic and usually consists of two kidney-shaped guard cells surrounding a pore.
    → The epidermis is composed of a single layer of cells.

    📌 Important Points
    → Therefore, the correct answer is option 1, i.e., A – III, B – iv, C – I, D – II.

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