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: 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.
2. Which of the following plants is a polycarpic plant?
3. Plants are able to measure the duration of exposure to light.
4. Which is the site for perception of light/dark duration?
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. The hormone responsible for flowering is ________
7. 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.
8. Statement A: Vernalisation prevents precocious reproductive development.
Statement B: Vernalisation promotes flowering by cold treatment.
9. 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.
10. 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.

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