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Class 11 · Biology
→In flowering plants, which structure is formed immediately after syngamy?
Class 11 · Biology
→In angiosperms, which nuclei fuse during triple fusion?
Class 11 · Biology
→In angiosperms, which cells fuse during syngamy?
Class 11 · Biology
→Double fertilisation is a characteristic feature of which plant group?
Class 11 · Biology
→What is the main role of pollen–pistil interaction?
Class 11 · Biology
→In the usual Polygonum type of embryo-sac development, how many of the four megaspores remain functional?
Class 11 · Biology
→By which process does the megaspore mother cell produce megaspores?
Class 12 · Biology
→What is usually present in the central cell of a mature embryo sac?
Class 12 · Biology
→At which end of the embryo sac are the antipodal cells located?
Class 12 · Biology
→Which cells constitute the egg apparatus at the micropylar end of the embryo sac?
Class 12 · Biology
→How many nuclei are present in a typical mature embryo sac?
Class 12 · Biology
→How many cells are present in a typical mature angiosperm embryo sac?
Class 12 · Biology
→In flowering plants, what is the female gametophyte commonly called?
Class 11 · Biology
→Which tissue in an ovule surrounds the embryo sac and may provide nourishment to it?
Class 11 · Biology
→What is the small opening in the integuments of an ovule called?
Class 11 · Biology
→Within the ovary, which structure attaches an ovule to the placenta?
Class 11 · Biology
→What does a pollen grain form after germinating on the stigma?
Class 11 · Biology
→Which feature is commonly found in insect-pollinated flowers?
Class 11 · Biology
→Which feature is commonly found in wind-pollinated flowers?
Class 11 · Biology
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