Select the odd one out w.r.t the polen grains

Options

A. pollen grains are rich in nutirents
B. its consumption increases the performance of athletes and race horses
C. it can be stored for years in liquid nitrogen
D. pollen grans possess non sticky converg called pollen kitt

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks to identify the odd statement regarding pollen grains from a set of statements.

2. **Analyzing the Statements**:
- **Statement 1**: "Pollen grains are rich in nutrients."
- This statement is true. Pollen grains do contain nutrients and are often used as a dietary supplement.

- **Statement 2**: "Its consumption increases the performance of athletes and racehorses."
- This statement is also true. Pollen grains are known to enhance performance due to their nutritional content.

- **Statement 3**: "It can be stored for years in liquid nitrogen."
- This statement is true as well. Pollen grains can be preserved at very low temperatures, such as in liquid nitrogen, for extended periods.

- **Statement 4**: "Pollen grains possess a non-sticky coating called pollen gate."
- This statement is incorrect. Pollen grains do not have a non-sticky coating called "pollen gate." Instead, they have a wall structure consisting of layers known as exine and intine.

3. **Identifying the Odd One Out**:
- Since statements 1, 2, and 3 are true, and statement 4 is false, the odd one out is statement 4.

4. **Conclusion**: The correct answer is that the odd statement is: "Pollen grains possess a non-sticky coating called pollen gate."