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प्रश्न
Stems are
विकल्प
positively geotropic and negatively phototropic
positively geotropic and positively phototropic
negatively geotropic and positively phototropic
negatively phototropic and negatively geotropic
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उत्तर
negatively geotropic and positively phototropic
संबंधित प्रश्न
Answer the following question.
What are plant hormones? Name the plant hormones responsible for the following:
- Growth of stem
- Promotion of cell division
- Inhibition of growth
- Elongation of cells
Very Short Answer Question:
Which is the plant stress hormone?
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.
Write full form of 2,4-D
Apical dominance refers to ____________.
Coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps.
What is the significance of the above experiment performed by Dr. F. Went?
Flowering in pineapple is promoted by ____________.
Identify the INCORRECT statement regarding physiological effects of ethylene.
Name the first hormone that was discovered in plant and its precursor.
A plant growth inhibitor hormone which causes wilting of leaves is ______.
