Plant Growth and Development questions
465 published questions with worked solutions.
- Auxin was isolated by
- The plant growth regulator (PGR) ethylene comes under the category of
- Match the following columns. Column-I | Column-II (A) Darwin and Darwin | (1) Kinetin (B) E. Kurosawa | (2) Gibberellic acid (C)...
- ABA was discovered during
- The term 'auxin' is applied to I. IAA. II. IBA. III. NAA. IV. 2,4-D. Select the correct option
- The canary grass experiment for phototropism was first conducted by
- Match the following columns. Column-I | Column-II (A) Natural auxin | (1) IAA (B) Synthetic auxin | (2) NAA | (3) IBA | (4) 2,4-D
- Difference between kinetin and zeatin is
- How many gibberellins have been reported from widely different organisms, such as plants and fungi?
- If shoot cuttings are treated with auxin, then
- Natural cytokinins are synthesised in which regions of plants?
- In most of the higher plants, the growing ...A... bud inhibits the growth of the ...B... bud, a phenomenon called apical...
- Which plant growth regulator is responsible for the triple response?
- Cytokinin helps in delaying leaf fall/senescence mainly by
- Abscission and dormancy are caused by
- Which one is not an effect of ethylene?
- Charles Darwin and his son were studying phototropism (growth of plants toward a light source) in canary grass. They deduced that...
- Fruits can be left on the tree longer so as to increase the market period. This is due to the function of
- Which of the following functions is/are not (a) function(s) of cytokinin? I. New leaves formation. II. Chloroplast formation in...
- In coleoptile tissue, auxin is
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