Plant Growth and Development questions
465 published questions with worked solutions.
- Growth plotted against time gives a
- Leaf abscission, fruit fall, and bud dormancy occur by which phytohormone?
- Match the items in Column-I with Column-II and choose the correct answer. Column-I | Column-II (A) Human urine | (p) Cytokinin...
- Genetically dwarf plants can be induced to grow tall by using
- Match Column-I and Column-II and select the correct option. Column-I | Column-II (A) Auxin | (1) Herring sperm DNA (B) Cytokinin...
- A hormone delaying senescence is
- The phytohormone that induces cell elongation is known to be produced by a fungus. The asexual stage of this fungus is called
- Apical dominance is caused by
- 6-furfurylaminopurine, 2,4-dichlorophenoxyacetic acid (2,4-D) and indole-3-acetic acid (IAA) are examples respectively of:
- Which of the following is involved in the synthesis of plant IAA (and is also a precursor-related amino acid for the vertebrate...
- Name of a gaseous plant hormone is
- The most common auxin is
- Which of the following is the effect of a plant hormone which is synthesized more in the absence of light?
- The following statements are given about plant growth hormones: I. Cytokinins suppress the synthesis of chlorophyll. II. Auxins...
- Auxins promote
- Natural cytokinins are synthesized in tissue that are
- The phytohormone that helps in germination of seed is
- An enzyme that can stimulate germination of barley seeds is
- Cytokinins are mostly
- Phototropic curvature is the result of uneven distribution of
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