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Gymnosperms: Characteristics and Classification

Test your knowledge of gymnosperm biology including vascular structure, reproductive features, and key genera like cycas, pinus, sequoia, ginkgo, and gnetum.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Largest ovule in the plant kingdom is found in

  1. cycas revoluta
  2. cycas circinalis
  3. pinus
  4. sequoia
  5. erythrina Indica
Question 2 Multiple Choice (Single Answer)

The tallest tree belongs to which of the following?

  1. pinus
  2. cedrus
  3. ginkgo
  4. sequoia
  5. bussea
Question 3 Multiple Choice (Single Answer)

Wood of gymnosperms lacks

  1. tracheids
  2. fibres
  3. vessels
  4. parenchyma
  5. endoderm
Question 4 Multiple Choice (Single Answer)

Diploxylic vascular bundles are found in

  1. cycas
  2. sequoia
  3. pinus
  4. ginkgo
  5. piora
Question 5 Multiple Choice (Single Answer)

Cleavage polyembryony is exhibited by

  1. cycas
  2. pinus
  3. ginkgo
  4. welwitschia
  5. pisum
Question 6 Multiple Choice (Single Answer)

Which of the following is not a part of sporophyte in pinus?

  1. Secondary phloem
  2. Endosperm
  3. Nucellus
  4. Leaf
  5. Primary phloem
Question 7 Multiple Choice (Single Answer)

The giant red-wood tree is

  1. cedrus
  2. sequoia
  3. cycas
  4. eucalyptas
  5. pinus
Question 8 Multiple Choice (Single Answer)

Dimorphic roots are characteristics to

  1. pinus
  2. ephedra
  3. gnetum
  4. cycas
  5. piora
Question 9 Multiple Choice (Single Answer)

Mycorrhiza is exhibited by

  1. cycas
  2. cedrus
  3. pinus
  4. cupressus
  5. wollemia
Question 10 Multiple Choice (Single Answer)

Dimorphism in leaves and branches is found in

  1. cycas
  2. pinus
  3. welwitschia
  4. ephedra
  5. gnidia
Question 11 Multiple Choice (Single Answer)

The megasporangium is equivalent to

  1. ovule
  2. nucells
  3. megaspore
  4. carpel
  5. microspore
Question 12 Multiple Choice (Single Answer)

Which of the following is a plant bearing seeds but no fruits?

  1. Wheat
  2. Pinus
  3. Rice
  4. Maize
  5. Neem
Question 13 Multiple Choice (Single Answer)

The tallest plant belongs to

  1. pteridophytes
  2. monocots
  3. angiosperms
  4. gymnosperms
  5. dicots
Question 14 Multiple Choice (Single Answer)

Seeds are winged in

  1. pinus
  2. cycas
  3. papaver
  4. pisum
  5. rice
Question 15 Multiple Choice (Single Answer)

A gymnosperm having vessels is called

  1. pinus
  2. gnetum
  3. cycas
  4. cedrus
  5. agathis
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