Correct option: 1
Explanation: gibberellin promotes seed germination in cereals by synthesizing amylase enzyme. Gibberellins cause seed germination by breaking the dormancy of the seed and acts as a chemical messenger.
Q61) which phytochrome promotes seed germination in cereals by synthesizing amylase enzyme? 1. Gibberellin 2. Abscisic acid 3. Auxin 4. Cytokinin