Which of the following is a part of apical meristem found in roots.

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SSC CHSL Exam 2024 Tier-I Official Paper (Held On: 04 Jul, 2024 Shift 3)
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  1. Protoderm
  2. Axillary bud
  3. Differentiating vascular tissue
  4. Leaf primordium

Answer (Detailed Solution Below)

Option 1 : Protoderm
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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Detailed Solution

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The correct answer is Protoderm.

Key Points

  • Protoderm is the outermost primary meristem in plants.
  • In roots, it differentiates to form the epidermis.
  • Produces epidermal cells, including root hairs.
  • Root hairs play a crucial role in water and nutrient absorption.
  • Acts as a protective barrier.
  • Facilitates root-soil interactions.

Additional Information

  • Axillary buds, located at leaf-stem junctions, can grow into branches or flowers, influenced by hormonal signals and environmental factors. 
  • A leaf primordium is the initial embryonic tissue from which a leaf develops, found at the shoot apex or growing tip.
  • Vascular tissue in plants consists of xylem and phloem.
  • Xylem transports water and minerals from roots, providing structural support with tracheids, vessels, and fibers. 
  • Phloem transports sugars and nutrients throughout the plant.   
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