The plant in which GB. Amici discovered pollen tube is:-

Options

A. Capsella
B. Parthenium
C. Portulaca
D. Pisum

Answer

**Step-by-Step Solution:**

1. **Identify the Scientist**: The question asks about the discovery of the pollen tube by a specific scientist, G.B. Amici.

2. **Understand the Context**: Giovanni Battista Amici is known for his work in botany, particularly regarding the structure and function of pollen tubes.

3. **Recall the Discovery**: It is important to remember that G.B. Amici discovered the pollen tube in a specific plant species.

4. **Identify the Correct Plant**: Among the options provided (Capsula, Parthenium, Portulaca, and Pysum), the plant in which G.B. Amici discovered the pollen tube is **Portulaca**.

5. **Specify the Species**: The full scientific name of the plant is **Portulaca oleracea**.

6. **Conclude the Answer**: Therefore, the correct answer to the question is **Portulaca**.

**Final Answer**: The plant in which G.B. Amici discovered the pollen tube is **Portulaca oleracea**.

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