Phanerogams-Gnetales (IFS Botany): Questions 1 - 2 of 2

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Question number: 1

» Phanerogams » Gnetales

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Compare the morphological characters of male and female strobili in Gnetum. (Paper-1, Section-A)

Explanation

Gnetum is dioecious.

  • The reproductive organs are organized into well-developed cones or strobili.

  • Gnetum have male and female reproductive organs on separate plants.

  • Gnetum belongs to gymnosperms so they do not have flowers and instead of that cones or strobili sporangia bearing structure present at the tip of the axis.… (119 more words) …

Question number: 2

» Phanerogams » Gnetales

Appeared in Year: 2014

Essay Question▾

Describe in Detail

What are the angiospermic features of Gnetum? (Paper - 1, Section - B)

Explanation

  • Gymnosperms have naked-seeds but not fruits or flowers.

  • Gymnosperms developed during the Paleozoic Era and became dominant during the early Mesozoic Era.

  • The presence of companion cells in the angiosperms is one of the constant anatomical features which distinguish gymnosperm with the angiosperm.

  • Gnetum belongs to gymnosperm plants but it… (143 more words) …

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