Fusion of male gamete with polar nuclei of embryo sac is known as

Options

A. Double fertilization
B. Embroyogeny
C. Pollination
D. Triple fusion

Answer

To solve the question "Fusion of male gamete with polar nuclei of embryo sac is known as," we can follow these steps:

### Step 1: Understand the Terms
- **Male Gamete**: This refers to the sperm cell produced by the male reproductive organ in plants.
- **Polar Nuclei**: These are the two nuclei found in the embryo sac of flowering plants.

### Step 2: Identify the Processes Involved
- **Syngamy**: This is the fusion of one male gamete with the egg cell, resulting in the formation of a zygote.
- **Triple Fusion**: This is the fusion of the second male gamete with the two polar nuclei in the embryo sac, resulting in the formation of a primary endosperm nucleus.

### Step 3: Analyze the Options
- **Double Fertilization**: This includes both syngamy and triple fusion.
- **Embryogeny**: This refers to the development of the embryo after fertilization.
- **Pollination**: This is the transfer of pollen grains from the anther to the stigma.

### Step 4: Determine the Correct Answer
Since the question specifically asks about the fusion of the male gamete with the polar nuclei, the correct term for this process is **triple fusion**.

### Final Answer
The fusion of the male gamete with the polar nuclei of the embryo sac is known as **triple fusion**.

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