Name various plant hormones. Also give their physiological effects on plant growth and development.

Explanation

### Step-by-Step Solution:

1. **Identify the Plant Hormones**:
- The main plant hormones to be discussed are Auxins, Gibberellins, Cytokinins, Abscisic Acid, and Ethylene.

2. **Describe Auxins**:
- **Function**: Auxins are primarily involved in cell elongation, promoting growth in the tips of roots and shoots.
- **Physiological Effects**:
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