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Reproduction in Lower and Higher Plants — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYReproduction in Lower and Higher Plants3 Marks
Question

Complete the table-Related to outbreeding devices.

TypeDescriptionExample
1. ————Unisexual flowers/Monoecious or dioecious plantsPapaya, Maize
2. ————Mechanical device to prevent Self-Pollination – Natural physical barrier—————-
3. Prepotency——————–Apple
4.Heteromorphy——————–Primula
5. ProtandryAndroecium matures earlier than gynoecium—————-
✓

Answer

TypeDescriptionExample
1. UnisexualityUnisexual flowers/Monoecious or dioecious plantsPapaya, Maize
2. HerkogamyMechanical device to prevent Self-Pollination – Natural physical barrierCalotropis
3. PrepotencyPollens of other flower germinate rapidly rather than from sameApple
4.HeteromorphyPresence of different forms of flowers with respect to Stigma and anthersPrimula
5. ProtandryAndroecium matures earlier than gynoeciumSunflower disc florets

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