In gymnosperms, pollen chamber represents the microsporangium in which pollen grains develop. The microspore is generally a globular sac like structure having large number of microspores. The microspores are also termed as pollen grains.
In gymnosperms, the pollen chamber represents:
Held on 30 Apr 2007 · Verified 9 Jul 2026.
a cavity in the ovule in which pollen grains are stored after pollination
an opening in the megagametophyte through which the pollen tube approaches the egg
the microsporangium in which pollen grains develop
a cell in the pollen grain in which the sperms are formed.
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Match List-I with List-II. $\begin{array}{|l|l|l|l|}\hline & \text{List-I} & & \text{List-II} \\\hline \text{A}. & \text{Pteridophyte} & \text{(I)} & \text{Salvia} \\\hline \text{B.} & \text{Bryophyte} & \text{(II)} & \text{Ginkgo} \\\hline \text{C.} & \text{Angiosperm} & \text{(III)} & \text{Polytrichum} \\\hline \text{D.} & \text{Gymnosperm} & \text{(IV)} & \text{Salvinia} \\\hline\end{array}$ Choose the option with all correct matches.
Which one of the following is the characteristic feature of gymnosperms?
Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence. A. Prothallus stage B. Meiosis in spore mother cells C. Fertilisation D. Formation of archegonia and antheridia in gametophyte. E. Transfer of antherozoids to the archegonia in presence of water. Choose the correct answer from the options given below:
The correct sequence of events in the life cycle of bryophytes is A. Fusion of antherozoid with egg. B. Attachment of gametophyte to substratum. C. Reduction division to produce haploid spores. D. Formation of sporophyte. E. Release of antherozoids into water. Choose the correct answer from the options given below :
In bryophytes, the gemmae help in which one of the following?
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