Select the correctly matched pair

Options

A. Darwin and Darwin - Gibberellic acid
B. Went - Auxin
C. Kurosawa - Ethylene
D. Skoog and Miller - Abscisic acid

Answer

To solve the question of selecting the correctly matched pair from the given options, we will analyze each pair one by one.

### Step-by-Step Solution:

1. **Evaluate the First Option: Darwin and Gibberellic Acid**
- The first option states that Darwin discovered gibberellic acid. However, this is incorrect. Charles Darwin and his son, Francis Darwin, studied phototropism in plants, particularly canary grass, and suggested that phototropism occurs due to a chemical produced at the tip of the coleoptile. They did not discover gibberellic acid.

**Hint:** Remember that Darwin's work was primarily focused on phototropism, not gibberellic acid.

2. **Evaluate the Second Option: Went and Auxin**
- The second option claims that Went discovered auxin. This is correct. F.W. Went was the first to isolate auxin, a plant growth hormone synthesized at the shoot tip, which is responsible for apical dominance and the bending of stems in response to light (phototropism).

**Hint:** Focus on the contributions of F.W. Went in plant hormone research.

3. **Evaluate the Third Option: Kurasawa and Ethylene**
- The third option suggests that Kurasawa discovered ethylene. This is incorrect. The first suggestion of ethylene as a natural plant hormone was made by H.H. Cousins, who noted its role in fruit ripening.

**Hint:** Recall the historical context of ethylene discovery and its association with fruit ripening.

4. **Evaluate the Fourth Option: Skoog and Miller and Abscisic Acid**
- The fourth option states that Skoog and Miller discovered abscisic acid. This is also incorrect. Skoog and Miller are known for discovering kinetin, a type of cytokinin, in coconut milk, not abscisic acid.

**Hint:** Remember the contributions of Skoog and Miller specifically related to cytokinins.

### Conclusion:
The only correctly matched pair from the options provided is the second option: Went and Auxin.

### Final Answer:
**The correctly matched pair is Went and Auxin.**

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