Advertisements
Advertisements
प्रश्न
Stems are
विकल्प
positively geotropic and negatively phototropic
positively geotropic and positively phototropic
negatively geotropic and positively phototropic
negatively phototropic and negatively geotropic
Advertisements
उत्तर
negatively geotropic and positively phototropic
संबंधित प्रश्न
A plant hormone related with inhibition of senescence is
Which of the following hormones regulate stomatal colour?
The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following questions:
- Name the scientific phenomenon that is being overcome by pruning.
- What plant hormone is responsible for the scientific phenomenon mentioned in (a)?
- Name one plant hormone which inhibits the said phenomenon.
Multiple choice question.
Abscisic acid controls ______.
First natural cytokinin was obtained from ______.
Why is ABA known as antitranspirant?
A gardener wants to give bushy appearance to plants in our college campus.
- What should he do to achieve the same?
- Which property of phytohormones he must be aware of?
Write the name of______
- First hormone discovered in plants.
- Biological name of fungus from which Gibberellins were first isolated.
- The name given to the first cytokinin by Skoog and Miller.
Which hormone promotes the production of male flowers in Cucurbits?
A plant growth inhibitor hormone which causes wilting of leaves is ______.
