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प्रश्न
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
उत्तर
Pre-fertilisation | Post-fertilisation |
Overy | Fruit |
Overy wall | Pericarp(fruit wall) |
Ovule | Seed |
Outer intergument | Testa (Outer seed coat) |
Inner integument | Tegmen (Inner seed coat) |
Secondary nucleus | Endosperm |
Egg | Zygote |
Synergids and antipodals | Degenerate |
Hilum, funicle and micropyle | Shows no changes |
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संबंधित प्रश्न
Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
List the post-fertilisation events in angiosperms.
Answer the following question.
At what stage does the meiosis occur in an organism exhibiting haploidic life cycle and mention the fate of the products thus produced.
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has ______.
Which of the following is a post-fertilization event in flowering plants?
Termination of gastrulation is indicated by ______.
Cells become variable in morphology function in different regions of the embryo. The process is ______.
Embryogenesis is ______.
In the figure given below, mark the ovule and pericarp.
Differentiate between ovipary and vivipary. Cite an example for each type.