Which of the following plants have you seen? of those that you have seen, which one have flowers?
Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut

Explanation

To answer the question about which plants you have seen and which of those have flowers, follow these steps:

### Step 1: List the Plants
First, write down the list of plants provided in the question:
- Grass
- Maize
- Wheat
- Chilli
...