Which option gives the best match between plant hormone and function?
Answer and explanation
Correct answer: Cytokinin and cell division
The governing concept is the specific function of plant hormones. Cytokinins stimulate cell division and support growth in actively dividing tissues, so option A gives a scientifically correct hormone-function pair. Abscisic acid generally inhibits growth and helps plants respond to stress, while gibberellin affects plant growth rather than blood sugar. Auxin regulates plant growth and tropic responses, not heartbeat; therefore B, C, and D are incorrect.
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What is the correct answer to this question?
Cytokinin and cell division
Why is this the correct answer?
The governing concept is the specific function of plant hormones. Cytokinins stimulate cell division and support growth in actively dividing tissues, so option A gives a scientifically correct hormone-function pair. Abscisic acid generally inhibits growth and helps plants respond to stress, while gibberellin affects plant growth rather than blood sugar. Auxin regulates plant growth and tropic responses, not heartbeat; therefore B, C, and D are incorrect.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Plant hormones.
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