Q33 / 200 · MHT CET - Medical 2026 (23 April Shift 1) · Biology
If the dark period is interrupted even by a flash of light, plants like tobacco and soybean ______
- Correct answerAwill not flower.
- Bwill flower immediately.
- Cwill give more flowers.
- Dcannot be made to flower again.
Solution
Tobacco and soybean are short-day plants.
Short-day plants require a continuous and uninterrupted dark period exceeding a critical duration to initiate flowering.
If the dark period is interrupted even by a brief flash of light, the phytochrome system is reset, which inhibits the flowering process.
Therefore, these plants will not flower.
Answer: will not flower.
Short-day plants require a continuous and uninterrupted dark period exceeding a critical duration to initiate flowering.
If the dark period is interrupted even by a brief flash of light, the phytochrome system is reset, which inhibits the flowering process.
Therefore, these plants will not flower.
Answer: will not flower.
Hence, the correct answer is option: 'A'.