Which of the following is incorrect ?

Options

A. Double fertilization is characteristics of angiosperm
B. Double fertilization was discovered by Nawaschin
C. Pollen tube shows apical growth and chemotropic movement
D. Wind pollination is common in legumes

Answer

To solve the question "Which of the following is incorrect?" we will analyze each statement provided in the options.

### Step-by-Step Solution:

1. **Analyze Statement 1: Double fertilization is the characteristic of Angiosperms.**
- **Explanation:** Double fertilization is indeed a unique feature of angiosperms (flowering plants). In this process, one male gamete fertilizes the egg cell, while another male gamete fuses with two polar nuclei to form the triploid endosperm.
- **Conclusion:** This statement is **correct**.

2. **Analyze Statement 2: Double fertilization was discovered by Navashtin.**
- **Explanation:** The phenomenon of double fertilization was first described by the botanist Navaschin in 1898. His work laid the foundation for understanding this unique reproductive process in angiosperms.
- **Conclusion:** This statement is **correct**.

3. **Analyze Statement 3: Pollen tube shows apical growth and chemotropic movement.**
- **Explanation:** The pollen tube indeed exhibits apical growth, meaning it grows from the tip, and it also shows chemotropic movement, which is the growth of the pollen tube towards the ovule guided by chemical signals.
- **Conclusion:** This statement is **correct**.

4. **Analyze Statement 4: Wind pollination is common in legumes.**
- **Explanation:** Wind pollination, also known as anemophily, is primarily observed in plants such as grasses and conifers. Legumes, on the other hand, typically rely on animal pollinators, particularly insects, for pollination.
- **Conclusion:** This statement is **incorrect**.

### Final Answer:
The incorrect statement is **Option 4: Wind pollination is common in legumes.**

---