Choose correct options
- Autogamy is genetically xenogamy
- Pollination occurs by air in grass
- Placenta is arranged in inner wall of ovary
- It is possible to store pollen grains in liquid nitrogen - $100^oC$
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
Which one of the following statements is not true?
Give differences : Stamen and Pistil
Delete odd one