Which of these is the correct sequence of steps to develop a new plant variety?
P - Evaluation Q - Multiplication of improved seeds R - Selection S - Distribution of improved seeds T - Development of gene variation

Options

A. T, R, P, Q, S
B. R, T, P, Q, S
C. S, Q, P, R, T
D. P, Q, R, T, S

Explanation

To determine the correct sequence of steps to develop a new plant variety, we can follow these steps:

1. **Selection (R)**: The first step in developing a new plant variety is to select the seeds. This involves choosing high-quality seeds that are disease-resistant and have desirable traits.

2. **Development of Gene Variation (T)**: After selection, the next step is to develop gene variation. This is done by introducing desired genes into the seeds using techniques such as in vitro methods in a laboratory setting.

3. **Evaluation (P)**: Once the gene variation has been developed, the next step is to evaluate the new seeds. This involves assessing their growth rate, productivity, and market value to ensure they meet the desired standards.

4. **Multiplication of Improved Seeds (Q)**: After evaluation, the next step is to multiply the seeds that have shown good results. This is typically done in crop grounds where the seeds can be grown in larger quantities.

5. **Distribution of Improved Seeds (S)**: Finally, once the seeds have been multiplied and are ready for planting, they are distributed to farmers and agricultural sectors for cultivation.

Putting these steps together, the correct sequence is:
- R (Selection)
- T (Development of Gene Variation)
- P (Evaluation)
- Q (Multiplication of Improved Seeds)
- S (Distribution of Improved Seeds)

Thus, the correct order is R, T, P, Q, S.

---