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Class 11 · Biology
→What is the condition in which a single seed contains more than one embryo called?
Class 11 · Biology
→What is the formation of seeds without fertilization called?
Class 11 · Biology
→How many cotyledons are present in a dicot embryo?
Class 11 · Biology
→The outer wall of a pollen grain, called the exine, is mainly composed of which substance?
Class 11 · Biology
→The seed coat develops from which part of the ovule?
Class 11 · Biology
→After fertilization, the ovule develops into what?
Class 11 · Biology
→Which nutritive tissue develops as a result of triple fusion?
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 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
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