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Which green algae shows only oogamous ty...

Which green algae shows only oogamous type sexual reproduction ?

A

Ulothrix

B

Volvox

C

Spirogyra

D

Chlamydomonas

Text Solution

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The correct Answer is:
To solve the question "Which green algae shows only oogamous type sexual reproduction?" we can follow these steps: ### Step 1: Understand the Types of Sexual Reproduction in Algae - Sexual reproduction in algae can be classified into three main types: isogamous, anisogamous, and oogamous. - **Isogamous**: This type involves the fusion of two gametes that are similar in size and often flagellated. Examples include Chlamydomonas and Spirogyra. - **Anisogamous**: This type involves the fusion of two gametes that are dissimilar in size. One gamete is larger and non-motile (female), while the other is smaller and motile (male). - **Oogamous**: This is a specific type of anisogamous reproduction where the female gamete is large and non-motile, and the male gamete is smaller and motile. ### Step 2: Analyze the Given Options - **Eulothrix**: Exhibits isogamous reproduction. - **Volvox**: Exhibits oogamous reproduction. - **Spirogyra**: Exhibits isogamous reproduction. - **Chlamydomonas**: Exhibits isogamous reproduction (with some species showing anisogamous). ### Step 3: Identify the Correct Answer - From the analysis, we find that **Volvox** is the green alga that shows only oogamous type sexual reproduction. ### Conclusion The answer to the question is **Volvox**. ---
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