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Class 11 Biology के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

BiologyThe outer wall of a pollen grain, called the exine, is mainly composed of which substance?Class 11Morphology of Flowering PlantsflowersLevel 2EasyBiologyWhich nutritive tissue develops as a result of triple fusion?Class 11Morphology of Flowering PlantsflowersLevel 8EasyBiologyIn flowering plants, which structure is formed immediately after syngamy?Class 11Morphology of Flowering PlantsflowersLevel 8EasyBiologyIn angiosperms, which nuclei fuse during triple fusion?Class 11Morphology of Flowering PlantsflowersLevel 7EasyBiologyIn angiosperms, which cells fuse during syngamy?Class 11Morphology of Flowering PlantsflowersLevel 7EasyBiologyDouble fertilisation is a characteristic feature of which plant group?Class 11Morphology of Flowering PlantsflowersLevel 7EasyBiologyWhat is the main role of pollen–pistil interaction?Class 11Morphology of Flowering PlantsflowersLevel 7MediumBiologyIn the usual Polygonum type of embryo-sac development, how many of the four megaspores remain functional?Class 11Morphology of Flowering PlantsflowersLevel 6MediumBiologyBy which process does the megaspore mother cell produce megaspores?Class 11Morphology of Flowering PlantsflowersLevel 6EasyBiologyWhich tissue in an ovule surrounds the embryo sac and may provide nourishment to it?Class 11Morphology of Flowering PlantsflowersLevel 5MediumBiologyWhat is the small opening in the integuments of an ovule called?Class 11Morphology of Flowering PlantsflowersLevel 5EasyBiologyWithin the ovary, which structure attaches an ovule to the placenta?Class 11Morphology of Flowering PlantsflowersLevel 5MediumBiologyWhat does a pollen grain form after germinating on the stigma?Class 11Morphology of Flowering PlantsflowersLevel 4EasyBiologyWhich feature is commonly found in insect-pollinated flowers?Class 11Morphology of Flowering PlantsflowersLevel 4EasyBiologyWhich feature is commonly found in wind-pollinated flowers?Class 11Morphology of Flowering PlantsflowersLevel 4EasyBiologyWhat is pollination by insects called?Class 11Morphology of Flowering PlantsflowersLevel 3EasyBiologyWhat is pollination by water called?Class 11Morphology of Flowering PlantsflowersLevel 3EasyBiologyWhat is pollination by wind called?Class 11Morphology of Flowering PlantsflowersLevel 3EasyBiologyWhat is the main feature of double fertilisation in angiosperms?Class 11Morphology of Flowering PlantsflowersLevel 4MediumBiologyWhat is pollination between two different flowers of the same plant called?Class 11Morphology of Flowering PlantsflowersLevel 3Easy