Plant Growth and Development questions
465 published questions with worked solutions.
- The role of PGR is one kind of ...A... control. Along with genomic control and ...B... factors, they play an important role in...
- I. Initiate rooting in stem cuttings. II. Promote flowering in pineapples. III. Controls xylem differentiation. Identify the...
- Study the following statements: I. Cytokinins are formed primarily in roots. II. Auxin and cytokinin are antagonistic in apical...
- Ethephon
- A member of the auxin class that is widely used to kill dicotyledonous weeds is
- I. Generally, the plant hormones are the same in function and chemical composition when produced by different plant species. II....
- I. Auxin. II. Cytokinin. III. GA. IV. ABA. Which of the above mentioned PGRs are acidic in nature? Choose the correct option...
- Due to their wide application, auxins have been used extensively in
- Functions of gibberellin include: I. Increase in the length of the axis (used to increase the length of grape stalks). II. Causes...
- I. Leaf abscission is ...A... by auxin in younger leaves and fruits. II. Apical dominance is ...B... by auxin. Complete the given...
- Search for natural cytokinin led to the
- Which gibberellin was discovered first?
- Which hormone (PGR) counters the apical dominance induced by auxin?
- Internodal elongation just prior to flowering in beet, cabbage and many plants with a rosette habit is
- Which hormone is called the dormancy hormone?
- I. Cell elongation. II. Cell division. III. Cell differentiation. Among the above mentioned, what is/are the function(s) of auxin?
- I. Plasmatic growth. II. Differentiation. III. Maturation. IV. Senescence. Identify the correct sequence of the following events...
- Choose the correct statement. I. Cytokinin – Delay of leaf senescence. II. Auxin – Apical dominance. III. Ethylene – Seed...
- I. Kinetin is a degradative substance from a DNA molecule. II. ABA is present in all plants, including lower plants. III. Low...
- Abscisic acid (ABA): (i) Promotes abscission. (ii) Promotes dormancy. (iii) Acts as a plant growth inhibitor. (iv) Inhibits seed...
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