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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Plants surviving under permanent wilting point, absorb moisture from the atmosphere is called

    Question: Plants surviving under permanent wilting point, absorb moisture from the atmosphere is called

    Options:

    Active absorption
    passive absorption
    Aerial/negative transpiration
    none of these

    ✅ EXPLANATION: Permanent wilting point is the soil water content at which a plant can no longer absorb water from the soil and permanently wilts. Plants that survive the permanent wilting point absorb moisture from the atmosphere through a process called aerial/negative transpiration.

    📌Other Options and Explanations:
    🔹 Active absorption: It is the process by which plants take up water from the soil through their roots. It is a positive process, which means that water moves from the soil to the plant.
    🔹 Passive absorption: It is the process by which plants take up water from the soil through their roots. It is a passive process, which means that water moves from the soil to the plant without the plant expending energy.

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