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GRB PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-NCERT Corner
- To a biologist, flowers are:
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- A typical angiosperm anther is:
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- The anther is a four-sided structure consisting of:
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- The microsporangia develop further and become:
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- The pollen grains represents the:
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- The hard outer layer of pollen grains called exine is made up of:
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- Prollen grains are well preserved as fossils because of the presence o...
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- Which of the following has been claimed to increase the performance of...
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- Pollen grains lose viabiliyt within 30 minutes of their release in:
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- Arising from the placenta are the megasporangia, commonly called:
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- Opposite the micropylar end, representing the basal part of the ovule ...
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- In embryo sac, three cells are grouped together at the micropylar end ...
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- The only type of pollination which during pollination brings genetical...
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- Hair present on the cob of corn are Or Long filamentous threads pr...
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- The condition which prevents both autogamy and geitongamy is:
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- Floral rewards providing safe places to lay eggs occur in:
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- The central cell of embryo sac after triple fusion becomes:
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- The tissue in which cells are filled with reserve food materials and a...
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- The mature embryo in angiosperms is:
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- In grass family, the cotyledon is called:
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