Ornithophily takes place in :

Options

A. Yellow flower having nectaries
B. Scented flower
C. Flower with charming colour
D. Modified corolla

Answer

**Step-by-Step Solution:**

1. **Understanding Ornithophily:**
- Ornithophily refers to the pollination process that occurs when birds transfer pollen from the anther of a flower to its stigma. This is a specific type of pollination that is facilitated by birds.

2. **Identifying Characteristics of Flowers for Ornithophily:**
- Flowers that attract birds typically have certain features. These include bright colors, especially yellow, and the presence of nectar, which serves as a reward for the birds.

3. **Evaluating the Options:**
- Option 1: Yellow flower having nectaries - This option is likely to attract birds due to its color and nectar.
- Option 2: Scented flowers - While scent can attract some pollinators, it is not specifically a characteristic that attracts birds.
- Option 3: Flowers with a charming color - This is vague and does not specify the color that attracts birds.
- Option 4: Modified corolla - This does not specifically indicate any features that would attract birds.

4. **Conclusion:**
- Based on the characteristics of flowers that attract birds, the best option is "yellow flower having nectarees." These flowers provide both visual attraction and a reward (nectar) for the birds, making them ideal for ornithophily.

**Final Answer:**
Ornithophily takes place in yellow flowers having nectarees.

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