Home
Class 11
BIOLOGY
In gymnosperms, spores are produced with...

In gymnosperms, spores are produced within sporangia that are borne on sporophylls which are arranged…….along an axis to form lax or cones.

A

Radially

B

Longitudinally

C

Spirally

D

Transversely

Text Solution

Verified by Experts

The correct Answer is:
C

In Gymnosperms, spores are produced within sporangia that are borne on sporophylls which arranged spirally along an axis to form lax or cones.
Promotional Banner

Topper's Solved these Questions

  • PLANT KINGDOM

    A2Z|Exercise Section-a Topicwise Questions Topic 6 : Plants Life Cycles And Alternation Of Generations|11 Videos
  • PLANT KINGDOM

    A2Z|Exercise Section-b Assertion-reasoning Questions|10 Videos
  • PLANT KINGDOM

    A2Z|Exercise Section-a Topicwise Questions Topic 4 : Pteridophytes|21 Videos
  • PLANT GROWTH AND DEVELOPMENT

    A2Z|Exercise Section D : Chapter-end Test|50 Videos
  • RESPIRATION IN PLANTS

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

A : Microspores and megaspores are produced in same lax in gymnosperms. R : Lax represents compact strobilus which bear microsporophyll and megasporophyll.

Assertion: In gymnosperms development of male gametophyte (pollen grain) takes place within the microsporangia. Reason: Gymnosperms are heterosporous plants in which spores show in situ germination.

Which of the following are correct about pteridophytes ? I. The sporophyte bear sporangia formed on sporophylls. II. They are frequently grown as ornamentals. III. They are the first terrestrial plants to forms seeds. IV . Vascular tissues are present in pteriodophytes. V. They do not form embryo .

[A] : Zygospore fungi produce spores within sporangia . [R] : During sexual reproduction , Zygospore is formed before meiosis and production of spores .

Which one of the following is a primitive gymnosperm that produces motile sperms, bears ovulate and microsporangiate cones on different plants and has foul-smelling, fleshy seeds ?