Objective for Grower& Plant Hormones
Multiple Choice Questions (MCQs)
- The hormone which promote apical dominance is:
;a) Gibberellins (b) Auxins (c) ethene (d) Cytokinins
- Abscission is prevented by:
(a) Gibber-Inns (b) Auxins (c)ethene (d) Cytokin ins
- Gibbe .11ins was first obtained from:(a) Plants (b) Algae (c) Fungi (b) Bacteria
- Seed of dormancy can be broken by:
(a) Gibberellins (b) Auxins (c) ethene (d) Cytokinins
- Leaf senescence is delayed by:
(a) Gibberellins (b) Auxins (c) ethene (d) Cytokin ins
Answers
- (b) 2. (b) 3. (c) 4. (a) 5. (d)
FM in blanks
I. The meristems present at the tips of roots and shoot are called
________ meristems.
- The meristenc situated at the bases of _________ is ‘called
intercalary meristem. - The cylinders of dividing cells present in the vascular and __
tissue of the plants are called lateral meristems. - The special substances produced by the plants which influence the
growth and plant responses are called ilant___
- The phenomenon in which ovary changes into fruit •without
fertilization is called_______
- The production of________ increases iii ovary after pollination.
- The rapid stem elongation of rosette plant is called
S. The rate of respiration of the fruit increases. It is called ___
respiration.Ans
I. apical 2. internodes 3. cork 4. hormones
5. parthenocarpy 6. auxin 7. bolting
- climacteric