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Doctors Medicines MCQs Q&A

  1. Pine tree
  2. Algae
  3. Orchids
  4. Fern 
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1 Answers

Option 4 : Fern 

Concept:

  • The plant kingdom is divided into 2-sub kingdoms, Cryptogams and Phanerogams.
  • Cryptogams are flowerless and seedless plants that produce spores. They include thallophytes, bryophytes, and pteridophytes. Examples: fern, liverworts, etc
  • Phanerogams are seed-bearing plants that include angiosperms and gymnosperms. Examples: pine, petunia, etc.

Explanation:

  • Pine trees belong to the gymnosperms category and are seed-bearing plants. Hence, this option is incorrect.
  • Algae belong to the Thallophyta category and are seedless and non-flowering plants but algae are aquatic, plant-like organisms. Hence, this option is incorrect.
  • Orchids are monocotyledonous flowering plants. Hence, this option is incorrect.
  • Fern belongs to the gymnosperms category and is a non-flowering and seedless plant that grows on land. Hence, this option is correct.

Therefore, from the above discussion, we can say that the correct answer is Fern.

Divisions of Plant Kingdoms:Thallophyta:

  • They are commonly called algae.
  • The plant body is not differentiated from roots, stems, and leaves.
  • Example: spirogyra, Ulothrix, etc.

Bryophytes:

  • They are often referred to as amphibians of the plant kingdom.
  • These are small terrestrial plants.
  • They show differentiation in the body design, with stem, leaf-like structures, and roots-like structures.
  • Examples: Funaria, Marchantia, etc.

Pteridophyta:

  • These plants are having specialized tissue for conduction.
  • The plant body is differentiated into roots, stems, and leaves.
  • Examples: Fern, Marsilea, etc.

Gymnosperms:

  • These are plants with naked seeds.
  • Examples: Pine, Ginkgo, etc.

Angiosperms:

  • These are seed-bearing plants.
  • Seeds develop inside the tissues that get modified to form the fruit of the plant.
  • Examples: petunia, eggplant, etc.
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