Select correct option w.r.t. heterogametes of algae. Cladophora, Chlamydomonas, Fucus, Ulothrix, Volvox, Chara, Spirogyra

Options

A. 5
B. 6
C. 2
D. 3

Answer

To solve the question regarding the heterogametes of the listed algae, we will analyze each option step by step.

### Step 1: Understand the Definitions
- **Homogametes**: Gametes that are similar in size, shape, and structure.
- **Heterogametes**: Gametes that are different in size, shape, and structure.

### Step 2: Analyze Each Alga
1. **Cladophora**: This alga produces homogametes.
2. **Chlamydomonas**: This alga also produces homogametes.
3. **Fucus**: This alga produces heterogametes.
4. **Ulothrix**: This alga produces homogametes.
5. **Volvox**: This alga produces heterogametes.
6. **Chara**: This alga produces heterogametes.
7. **Spirogyra**: This alga produces homogametes.

### Step 3: Count the Heterogametes
From the analysis:
- Heterogametes are found in Fucus, Volvox, and Chara.
- Total count of heterogametes = 3.

### Step 4: Select the Correct Option
Based on the analysis, the correct option regarding the number of heterogametes in the listed algae is **3**.

### Final Answer
The correct option is **3**.

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