Practice question
Question
Which part of the ovule forms the micropyle, facilitating pollen tube entry?
Explanation
The micropyle is an opening formed by the integuments of the ovule, allowing pollen tube entry for fertilization.
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AIM To study the pollen germination on stigma through permanent slide. PRINCIPLE Pollen germination on stigma is an essential step of sexual reproduction in angiosperms. Compatible pollen grains are recognized by stigma and germinate to form pollen tube that carries male gametes...
Aim To study and calculate the percentage of pollen germination on a slide. Principle In nature, pollen grains germinate on the compatible stigma of the carpel. This process is called pollen-pistil interaction. It is an essential step in fertilisation of angiosperms which determi...
Explore flower structure, pollination, double fertilization, embryo and seed development in angiosperms.
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