Fruits (ثمار) - Types, Functions, and Structures
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Questions and Answers

ما هو الغرض الأساسي لثمار النبات؟

  • زيادة النمو والشکل النباتي
  • تزويد النبات بالمياه والelements
  • حماية البذور من الإصابة والجفاف (correct)
  • النسبة بين البذور والنبات
  • ما هو النوع من الثمار الذي يتكون من مبيض واحد في زهرة واحدة؟

  • ثمار集合ية
  • ثمار بسيطة (correct)
  • ثمار مركبة
  • ثمار عديدة
  • ما هو الاسم الذي يطلق على الثمار التي تكون صلبة النواة في المنتصف؟

  • ثمار ذات قشرة
  • ثمار دبوسية
  • دراوبيات (correct)
  • ثمار برية
  • ما هو tên الstructurs الثلاثة الرئيسية للثمر؟

    <p>الإكسوكارپ والميوزكارپ والاندوكارپ</p> Signup and view all the answers

    ما هو النوع من الثمار الذي يحتوي على بذرة واحدة؟

    <p>توت</p> Signup and view all the answers

    ما هو النوع من الثمار الذي يحتوي على قشرة جافة ومتعددة القشارات؟

    <p>حمضيات</p> Signup and view all the answers

    Study Notes

    Fruits (ثمار)

    Definition

    • A fruit is the mature ovary of a flower, which contains seeds
    • It develops from the ovary of a flower after fertilization

    Functions

    • Protects the seeds from injury and desiccation
    • Aids in seed dispersal
    • Provides nutrients to the developing seeds

    Types of Fruits

    • Simple Fruits: Develop from a single ovary in a flower (e.g., banana, tomato)
    • Aggregate Fruits: Develop from multiple ovaries in a single flower (e.g., raspberry, strawberry)
    • Composite Fruits: Develop from multiple ovaries in multiple flowers (e.g., pineapple, fig)

    Structures of a Fruit

    • Exocarp: Outermost layer of the fruit (e.g., skin of a banana)
    • Mesocarp: Middle layer of the fruit (e.g., pulp of an orange)
    • Endocarp: Innermost layer of the fruit (e.g., pit of a peach)

    Fruit Examples

    • Berries: Fleshy fruits with a single seed (e.g., blueberry, grape)
    • Citrus Fruits: Fruits with a leathery rind and segmented interior (e.g., orange, lemon)
    • Drupes: Fruits with a hard stone in the center (e.g., peach, plum)

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    Description

    Test your knowledge of fruits, including their definition, functions, types, and structures. Learn about simple, aggregate, and composite fruits, and identify examples of different fruit types.

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