Question

_______ is the most widely used chemical for promoting seed germination.

A Potassium nitrate Correct Answer Incorrect Answer
B Thiourea Correct Answer Incorrect Answer
C Scopoletin Correct Answer Incorrect Answer
D IAA Correct Answer Incorrect Answer

Solution

It is used as a pre-sowing treatment to increase the germination of seeds due to its ionic salt of nitrate ions (NO₃−) and potassium ions (K+). Nitrogen helps seeds to synthesize proteins, which affects the quality of seeds.

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