WebSolution: Autogamy and geitonogamy are two forms of self pollination. In autogamy, pollen falls on stigma of the same flower. While in geitonogamy pollens from a flower …
A dioecious flowering plant prevents both - Vedantu
WebSolution. The correct option is B Papaya. If pollination occurs within the same flower, then, it is called autogamy and if it occurs in different flowers of the same plant, then, it is called … WebIf both male and female flowers are present on the same plant such as castor and maize (monoecious), it prevents autogamy but not geitonogamy. In several species such as papaya, male and female flowers are present on different plants, that is each plant is either male or female (dioecy). This condition prevents both autogamy and geitonogamy. sain building new city ny
Explain any two devices by which autogamy is prevented …
WebAug 4, 2024 · Assertion :- In monoecious plants neither autogamy nor geitonogamy can be observed. Reason :- In monoecious plants male and female flowers produce on asked Oct 5, 2024 in Biology by UjjwalPandey ( 25.0k points) WebAutogamy involves pollination within the same flower, while geitonogamy involves transfer of pollen grains from the anther of one flower to the stigma of another flower of the same plant. Both the process are prevented in papaya because it is dioecious plant(i.e, male and female sex organs are borne on separate plants) and it always needs cross-pollination. WebFrom among the following situations, choose the one that prevents both autogamy and geitonogamy. A. Monoecious plant bearing unisexual flowers. B. Dioecious plant bearing only male or female flowers. C. Monoecious plant with bisexual flowers. D. Dioecious plant with bisexual flowers. sai nath university ranchi jharkhand