The transfer of pollen grains from ________to______is known as_________

Answer

To answer the question, we need to fill in the blanks regarding the transfer of pollen grains. Here’s the step-by-step solution:

1. **Identify the Source of Pollen Grains**: Pollen grains are produced in the male reproductive part of a flower, specifically in the anther.

2. **Identify the Destination of Pollen Grains**: The pollen grains need to reach the stigma, which is the receptive part of the female reproductive structure of a flower.

3. **Define the Process**: The process of transferring pollen grains from the anther to the stigma is known as pollination.

4. **Complete the Statement**: Therefore, the completed statement is: "The transfer of pollen grains from anther to stigma is known as pollination."

### Final Answer:
The transfer of pollen grains from **anther** to **stigma** is known as **pollination**.

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