NEET > Biology Class 12 > Androecium: Stamen, Microsporangium & Pollen Grain
Androecium: Stamen, Microsporangium & Pollen Grain Video Lecture - Biology Class 12 - NEET
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FAQs on Androecium: Stamen, Microsporangium & Pollen Grain Video Lecture - Biology Class 12 - NEET
| 1. What is the androecium in a flower? |  |
Ans. The androecium is the male reproductive part of a flower. It consists of one or more stamens, which are responsible for producing pollen.
| 2. What is a stamen? | |
Ans. A stamen is a part of the androecium in a flower. It consists of two main parts - the filament and the anther. The filament is a slender stalk that supports the anther, which is responsible for producing pollen.
| 3. What is a microsporangium? | |
Ans. A microsporangium is a structure found within the anther of a stamen. It is responsible for producing microspores, which develop into pollen grains. Each microsporangium contains numerous pollen sacs, where the microspores are produced.
| 4. What is a pollen grain? | |
Ans. A pollen grain is the male gametophyte of a flowering plant. It is produced within the microsporangium of a stamen and is released during pollination. Pollen grains are responsible for fertilizing the female reproductive organs of the flower, leading to the formation of seeds.
| 5. What is the significance of the androecium in plant reproduction? | |
Ans. The androecium plays a crucial role in plant reproduction as it produces the male gametes (pollen grains). These pollen grains are transferred to the female reproductive organs (gynoecium) of the same or another flower, allowing for fertilization to occur. This fertilization leads to the production of seeds, ensuring the continuation of the plant species.
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157 videos|398 docs|239 tests
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Timeline
| 00:15 | Flower |
| 02:26 | Stamens |
| 02:26 | Question 1 |
| 03:14 | Question 2 |
| 03:50 | Cohesion of Stamens |
| 05:30 | Question 3 |
| 06:50 | Adhesion of Stamens |
| 08:32 | Question 4 |
| 08:34 | Attachment of Filament to Anther |
| 09:33 | Length of Stamens |
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