WBCS.LIVE practice question
Which hormone is responsible for breaking the dormancy of seed?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: Gibberellin
Explanation: Gibberellin hormone is responsible for breaking seed dormancy and promoting germination. 📚 Other Information: ▪️ Gibberellins stimulate enzyme synthesis for seed germination. ▪️ They promote stem elongation and flowering in plants. ▪️ Widely used in agriculture to improve crop yield. ▪️ Opposite hormone, Abscisic Acid (ABA), induces seed dormancy. ▪️ Discovered first in rice seedlings. ▪️ Commercial use includes increasing fruit size (e.g., grapes). ▪️ They also help in delaying fruit ripening. ▪️ Vital for horticulture and plant physiology studies.