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The microsporangia develop further and b...

The microsporangia develop further and become:

A

Megasporangia

B

Pollen sacs

C

Tapetum

D

Sporogenous tissue

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The correct Answer is:
B
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Read the following statements and find out the incoorect statement. a. the number and length of stamens is variable in flowers of same species. b. A typical angiosperm anther is bilobed with each lobe having two theca. c. Often a longitudinal groove runs lengthwise separating the theca. d. The anther consists of four microsporangia located at the corners one in each lobe. e. the microsporangia develop further and become pollen sacs. They extend longitudinally all through the length of an anther and are packed with pollen grains.

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In Cycas the microsporangia are born on which side of microsporophyll :–

How many microsporangia are found in each lobe of anther ?

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GRB PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-NCERT Corner
  1. A typical angiosperm anther is:

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  2. The anther is a four-sided structure consisting of:

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  3. The microsporangia develop further and become:

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  4. The pollen grains represents the:

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  5. The hard outer layer of pollen grains called exine is made up of:

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  6. Prollen grains are well preserved as fossils because of the presence o...

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  7. Which of the following has been claimed to increase the performance of...

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  8. Pollen grains lose viabiliyt within 30 minutes of their release in:

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  9. Arising from the placenta are the megasporangia, commonly called:

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  10. Opposite the micropylar end, representing the basal part of the ovule ...

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  11. In embryo sac, three cells are grouped together at the micropylar end ...

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  12. The only type of pollination which during pollination brings genetical...

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  13. Hair present on the cob of corn are Or Long filamentous threads pr...

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  14. The condition which prevents both autogamy and geitongamy is:

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  15. Floral rewards providing safe places to lay eggs occur in:

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  16. The central cell of embryo sac after triple fusion becomes:

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  17. The tissue in which cells are filled with reserve food materials and a...

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  18. The mature embryo in angiosperms is:

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  19. In grass family, the cotyledon is called:

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  20. The residual, persistent nucellus is called:

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