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Question

Which one of the following statements about phloem is correct?

This question was previously asked in
CDS I 2020 Elementary Mathematics Previous Year Paper (02-Feb-2020)
The correct answer is

Phloem transports photosynthetic products.

The correct answer Phloem transports photosynthetic products.

 Key Points

  • Phloem is a living tissue in vascular plants that transports soluble organic compounds synthesized during photosynthesis from the leaves downwards. Thus, option 2 is correct.
  • Components of Phloem
    • These are companion cells.
    • It appears to investigate the activity of adjacent sieve elements and participates in the loading and unloading of sugars into the sieve elements.
  • Sieve Tubes
    • These are long living cells that transport carbohydrates, primarily sucrose, from the leaves to the roots and fruits.
  • Phloem Fibers
    • These are commercially useful because they have high flexibility and tensile strength.
  • Phloem Parenchyma
    • Also known as cell transfer, they are found near thin branches, at the tops of sieve tubes in leaf veins, and are functional in transporting food.

 Additional Information

  • Functions of Plant Tissues:
    • Plant tissues have different functions based on their structure and location.
    • They help provide mechanical strength to the organs.
    • They assist in providing elasticity and flexibility to the organs.
    • They help tissues bend easily in various parts of the plant such as leaves, stems, and branches without damaging the plant.
    • Xylem and phloem tissues help in the transport of materials throughout the plant.
    • They divide to form new cells and assist in plant growth.
    • They aid in various cellular metabolisms such as photosynthesis, regeneration, respiration, etc.
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Similar Questions

  1. Under the Kingdom Plantae, which of the following individuals are predominantly aquatic?

  2. Which one of the following denotes a ‘true’ fruit?

  3. Mature sclerenchyma cells have _______.

  4. Which one of the following is active transport?

  5. Chlorophyll in photosynthetic prokaryotic bacteria is associated with ________.

  6. Marsilea, Fern and Horse-tail are examples of which one of the following plant groups?

  7. Which one of the following tissues is responsible for increase of girth in the stem of a plant?

  8. Which one of the following organisms is dependent on saprophytic mode of nutrition?

  9. Which of the following is/are the main absorbing organ/organs of plants?

  10. Which of the following is not a primary function of a green leaf?


Important Questions from Botany

  1. Which of the following is a type of nutrition?

    I. Heterotrophic

    II. Autotrophic

  2. Which of the following are the 5 groups that plants are divided into?

  3. Fungi are always

  4. In which of the following plants root is the food storage organ?

  5. Which of the following does NOT form an essential part of the process of photosynthesis?

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