Plant Growth and Development questions
465 published questions with worked solutions.
- The optimum temperature preferred for plant growth is
- Which of the PGRs induces parthenocarpy in tomatoes?
- Auxanometer is used to measure
- The phytohormone which induces triple response growth is
- Hormone inducing fruit ripening is
- The stress hormone that helps plants respond to drought by inducing stomatal closure is:
- Growth promoting hormone is
- Gibberellins promote cell division and elongation in
- The rosette habit of cabbage can be changed by application of
- The following statements are given about plant growth hormones: I. Kinetin is a degradative substance from DNA molecule. II. ABA...
- Which hormone is responsible for apical growth?
- The ripening of fruits can be hastened by treatment with:
- Leaf abscission is caused by
- One hormone helps in the ripening of fruits, while the other stimulates closure of stomata. These are respectively:
- Auxin causes
- Statement 1: Ethylene stimulates growth in case of wounds and thus helps in wound healing. Statement 2: Ethylene causes triple...
- Rapid and dramatic increase in shoot length is called
- Consider the following statements regarding **bolting** in rosette plants: I. It is caused by high concentrations of abscisic...
- The maximum growth rate occurs in
- Auxin originates at the tip of the stem and controls growth elsewhere. The movement of auxin is largely
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