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General characters of Protozoa Video Lecture | Zoology Optional Notes for UPSC
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FAQs on General characters of Protozoa Video Lecture - Zoology Optional Notes for UPSC
| 1. What are the general characteristics of Protozoa? |  |
Ans. Protozoa are unicellular organisms that are typically microscopic and can be found in various aquatic and terrestrial environments. They are eukaryotic and usually have a single nucleus, as well as specialized organelles for feeding, locomotion, and reproduction.
| 2. How do Protozoa reproduce? | |
Ans. Protozoa can reproduce both sexually and asexually. Asexual reproduction usually involves cell division, such as binary fission or multiple fission. Sexual reproduction, on the other hand, involves the fusion of gametes to form a zygote.
| 3. What are some common examples of Protozoa? | |
Ans. Some common examples of Protozoa include Amoeba, Paramecium, Euglena, and Plasmodium. Amoeba and Paramecium are often found in freshwater environments, while Plasmodium is known for causing malaria in humans.
| 4. How do Protozoa obtain their food? | |
Ans. Protozoa are heterotrophic organisms, meaning they obtain their food by ingesting other organisms or organic matter. They use specialized structures like cilia, flagella, or pseudopods to capture and engulf their food particles.
| 5. What role do Protozoa play in the ecosystem? | |
Ans. Protozoa play a crucial role in nutrient cycling within ecosystems as they act as decomposers, breaking down organic matter and recycling nutrients back into the environment. They also serve as food sources for other organisms in the food chain.
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Mar 11, 2025
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