A feature of reproduction that is common to Malarial parasite, Spirogyra and Yeast is thata)they all are multicellularb)they all reproduce sexually onlyc)they reproduce asexuallyd)they all are unicellularCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

In all of them asexual reproduction takes place e.g., in spirogyra fragmentation, malarial parasite multiple fission and in yeast by budding.

Answer

Malarial parasite 'plasmodium' reproduce by multiple fission, spirogyra reproduce through fragmentation and yeast through budding and binary fission. These all methods are of asexual mode of reproduction. So, the common feature of reproduction is asexual mode of reproduction

Answer

Reproduction in Malarial parasite, Spirogyra, and Yeast

C. they reproduce asexually

Reproduction is a fundamental process by which organisms produce offspring. It ensures the continuation of a species over time. In the case of the Malarial parasite, Spirogyra, and Yeast, they all exhibit asexual reproduction as a common feature. Let's explore in detail how each of these organisms reproduces asexually.

Malarial parasite:
The Malarial parasite belongs to the genus Plasmodium and is responsible for causing the deadly disease known as malaria. It has a complex life cycle that involves both sexual and asexual stages. However, the asexual reproduction occurs primarily within the human host.

1. Asexual reproduction in Malarial parasite:
- The Malarial parasite undergoes a process called schizogony or multiple fission.
- During this process, the parasite undergoes multiple rounds of nuclear division (schizogony) within the red blood cells.
- This results in the formation of numerous daughter cells called merozoites.
- The merozoites are then released into the bloodstream, where they invade new red blood cells and repeat the process.

Spirogyra:
Spirogyra is a filamentous green alga that is commonly found in freshwater habitats. It possesses spiral chloroplasts and undergoes a unique mode of asexual reproduction known as fragmentation.

1. Asexual reproduction in Spirogyra:
- Fragmentation occurs when a mature filament of Spirogyra breaks into smaller fragments.
- Each fragment can develop into a new individual under favorable conditions.
- The process of fragmentation involves the division of cells along the length of the filament.
- Each cell undergoes mitosis to form a new filament, resulting in the formation of multiple clones of the parent organism.

Yeast:
Yeast is a single-celled fungus that plays a vital role in various biological processes, including fermentation and baking. It reproduces asexually through a process called budding.

1. Asexual reproduction in Yeast:
- Budding occurs when a small outgrowth, known as a bud, forms on the parent yeast cell.
- The bud gradually enlarges and develops into a genetically identical daughter cell.
- Eventually, the bud separates from the parent cell, becoming an independent yeast cell.
- This process can occur repeatedly, allowing for rapid multiplication of yeast cells.

In conclusion, the common feature of asexual reproduction is observed in the Malarial parasite, Spirogyra, and Yeast. Asexual reproduction allows these organisms to rapidly produce offspring without the need for a mate. This mode of reproduction ensures the survival and spread of these organisms in their respective habitats.

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