Podcast
Questions and Answers
Which structure is responsible for the process of pollination?
Which structure is responsible for the process of pollination?
- Petals
- Stamen (correct)
- Sepals
- Pistil
In which type of flowers does cross-pollination occur?
In which type of flowers does cross-pollination occur?
- Unisexual flowers with female parts
- Unisexual flowers with male parts
- Bisexual flowers (correct)
- Unisexual flowers with both male and female parts
Which agents are responsible for abiotic pollination?
Which agents are responsible for abiotic pollination?
- Bees
- Birds
- Bats
- Wind (correct)
What is the main function of the pollen grain in the fertilization process?
What is the main function of the pollen grain in the fertilization process?
Flashcards
Stamen
Stamen
The male reproductive part of a flower responsible for pollination.
Cross-pollination
Cross-pollination
Occurs in bisexual flowers when pollen is transferred from one flower to another.
Abiotic pollination agents
Abiotic pollination agents
Agents like wind that facilitate pollination without living organisms.
Pollen grain function
Pollen grain function
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Study Notes
- Sexual reproduction in plants: Flowers are reproductive organs bearing male (stamen) and female (pistil) parts
- Bisexual flowers: Contain both male and female parts (ex: rose, China rose)
- Unisexual flowers: Contain either male or female parts (ex: gourd, pumpkin)
- Pollination: Process of transferring pollen grains to female reproductive organs
- Occurs between same type of flowers (self-pollination) or different flowers on separate plants (cross-pollination)
- Agents of pollination: Abiotic (wind, water) and biotic (bees, bats, moths, birds)
- Pollen grain reaches stigma safely
- Fertilization process involves intermediate steps (to be discussed in next video)
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