The site of perception of light/dark duration in plants is:
1. Root apex
2. Shoot apex
3. Flower
4. Leaves
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFlowering will take place in a short day plant only when:
1. days are shorter than nights.
2. days are shorter than a certain critical value.
3. nights are shorter than a certain critical value.
4. nights are longer than a certain critical value.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology