Select a correct match

Options

A. `GA_(3)` - Early seed production in conifers
B. Cytokinin - synchronise fruit set in pineapples.
C. Auxin - Overcomes senescence.
D. Ethylene- seed maturation and development

Answer

To solve the question of selecting the correct match of plant hormones and their functions, we will analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Understanding GA3 (Gibberellic Acid)**:
- GA3 is a type of gibberellin, which is a plant hormone.
- It is known to promote growth and development in plants.
- Specifically, GA3 is involved in processes such as increasing internodal length, promoting seed germination, and facilitating early seed production.

2. **Evaluating the Function of GA3**:
- Early seed production in conifers is indeed influenced by gibberellic acid.
- Therefore, the match of GA3 with early seed production in conifers is correct.

3. **Analyzing Cytokinins**:
- Cytokinins are plant hormones that primarily promote cell division and growth.
- They are not specifically associated with synchronized fruit set in pineapples, making this match incorrect.

4. **Understanding Auxins**:
- Auxins are hormones that regulate plant growth, particularly in the context of apical dominance.
- They do not play a significant role in overcoming senescence, which is the aging process in plants.

5. **Evaluating Ethylene**:
- Ethylene is a plant hormone involved in the ripening of fruits.
- It is not directly associated with seed maturation and development.

6. **Conclusion**:
- After analyzing all the options, the only correct match is:
- **GA3 with early seed production in conifers.**

### Final Answer:
The correct match is **GA3 with early seed production in conifers**.

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