Home > Class 11 Biology > Quizzes > Class 11 Biology Practice Test: Plant Growth and Development - Photoperiodism and Vernalisation
Class 11 Biology Practice Test: Plant Growth and Development - Photoperiodism and Vernalisation
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Class 11 Biology Practice Test: Plant Growth and Development - Photoperiodism and Vernalisation
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10 Questions

1. Statement A: Vernalisation prevents precocious reproductive development.
Statement B: Vernalisation promotes flowering by cold treatment.
2. Duration of light period is more important than the duration of dark period.
3. Plants are able to measure the duration of exposure to light.
4. Which of the following plants is a polycarpic plant?
5. Statement A: Critical duration is different for different plants.
Statement B: The plants which are dependent on critical duration are called day-neutral plants.
6. Statement A: Response of plants to low temperature is regulated by a hypothetical hormone.
Statement B: Response of plants to different periods of light is also regulated by a hypothetical hormone.
7. The hormone responsible for flowering is ________
8. Which of the crops doesn’t show vernalisation?
9. Statement A: Short day plants required more exposure to light than the critical duration.
Statement B: Long day plants required less exposure to light than the critical duration.
10. Which is the site for perception of light/dark duration?

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