WBCS.LIVE practice question

A short day plant has a critical day length of 14 hours. It will flower when the day length is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 15 hours
  2. 18 hours
  3. 12 hours
  4. 16 hours

Correct answer and explanation

Correct answer: 12 hours

Explanation: āœ… Correct Answer: C. 12 hours šŸ“š Explanation: A 'short day plant' requires a period of light that is less than its critical day length to trigger the flowering process. If the critical threshold is 14 hours, it must receive less than that amount of light. Among the options, 12 hours is the only value that is less than 14. Therefore, the plant will only flower when the day length is short enough to meet this condition.