NEET Biology question
X and Y are antagonistic plant growth regulators. X is a growth inhibitor whereas Y is a growth promoter. X helps the plant to cope with stresses whereas Y helps the plant to overcome dormancy after stress is over. Identify hormones X and Y and select the incorrect option regarding them.
Answer: (C)
Solution
Given the description, X is ABA (a growth-inhibiting stress hormone that induces dormancy) and Y is gibberellin (a growth promoter that overcomes dormancy and resumes growth after stress). ABA genuinely promotes stomatal closure and inhibits seed germination (while GA promotes stomatal opening/turgor-driven growth and
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