Seed with longest viability seen in

Options

A. Lily
B. Lemon
C. Lupine
D. Date palm

Answer

### Step-by-Step Solution:

1. **Understanding Seed Viability**:
- Viability refers to the ability of a seed to germinate under suitable conditions. Some seeds can remain viable for a few weeks, while others can last for many years.

2. **Analyzing the Options**:
- **Option 1: Lily** - Seeds are viable for about 9-10 months.
- **Option 2: Lemon** - Seeds are viable for only 1-2 weeks.
- **Option 3: Lupine** - Specifically, Lupinus arcticus has been recorded to have seeds that are viable for around 10,000 years.
- **Option 4: Date Palm** - Seeds are viable for about 6-12 months.

3. **Identifying the Longest Viability**:
- Among the options provided, Lupine stands out due to its extraordinary record of 10,000 years of viability after being excavated from the Arctic tundra and successfully germinating within 48 hours in favorable conditions.

4. **Conclusion**:
- Therefore, the seed with the longest viability is **Option 3: Lupine**.