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Sexual Reproduction in Lichens Video Lecture | Botany Optional for UPSC
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FAQs on Sexual Reproduction in Lichens Video Lecture - Botany Optional for UPSC
| 1. What is the significance of sexual reproduction in lichens? |  |
Ans. Sexual reproduction in lichens is significant as it allows for genetic diversity, which enhances adaptability to changing environments. It involves the formation of fruiting bodies that produce spores, leading to the establishment of new lichen colonies.
| 2. How do lichens reproduce sexually? | |
Ans. Lichens reproduce sexually through the formation of specialized structures called apothecia or perithecia, which produce spores. These spores are typically released into the environment and can germinate to form new lichen thalli when they encounter a suitable partner.
| 3. What are the main components involved in the sexual reproduction of lichens? | |
Ans. The main components involved in sexual reproduction of lichens include the fungal partner, which provides the structure and protection, and the algal or cyanobacterial partner, which performs photosynthesis. The interaction between these components is crucial for successful reproduction.
| 4. Can lichens reproduce asexually, and how does it compare to sexual reproduction? | |
Ans. Yes, lichens can reproduce asexually through fragmentation or the production of soredia and isidia. Asexual reproduction allows for rapid colonization of suitable habitats, while sexual reproduction promotes genetic variation, which is vital for long-term survival in changing environments.
| 5. What environmental factors influence the sexual reproduction of lichens? | |
Ans. Environmental factors that influence the sexual reproduction of lichens include moisture levels, temperature, and availability of light. Optimal conditions are required for the development of fruiting bodies and successful spore dispersal, which subsequently affect population dynamics.
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Nov 22, 2024 Last updated |
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