The pollen tube was first discovered by :-

Options

A. Maheshwari
B. Strasburger
C. Nawaschin
D. Amici

Answer

**Step-by-Step Solution:**

1. **Identify the Subject of the Question**: The question asks about the discovery of the pollen tube, which is a crucial component in the process of fertilization in flowering plants.

2. **Recall the Discoverer**: The pollen tube was first discovered by Giovanni Battista Amici. It is important to remember the name of the individual associated with this discovery.

3. **Contextualize the Discovery**: Giovanni Battista Amici was not only a botanist but also an astronomer and microscopist. This highlights his scientific background, which contributed to his discovery.

4. **Specify the Time Period**: The discovery of the pollen tube occurred in the 19th century. This provides a historical context for the discovery.

5. **Conclude with the Full Name**: The complete name of the discoverer is Giovanni Battista Amici, which is essential for a comprehensive answer.

**Final Answer**: The pollen tube was first discovered by Giovanni Battista Amici in the 19th century.

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