control and coordination part 2

Quiz
•
Biology
•
10th Grade
•
Easy
Sachin Sehgal
Used 17+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Which plant hormone promotes dormancy in seeds and buds?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Roots of plants are:
(a) positively geotropic
(b) negatively geotropic
(c) positively phototropic
(d) None of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Response of plant roots towards water is called:
(a) Chemotropism
b) Phototropism
(c) Hydrotropism
(d) Geotropism
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Movement of sunflower in accordance with the path of Sun is due to
(a) Chemotropism
(b) Geotropism
(c) Phototropism
(d) Hydrotropism
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Which plant hormone promotes cell division?
(a) Auxin
(b) Gibberellin
(c) Cytokinin
(d) Abscisic acid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. The main function of abscisic acid in plants is
(a) to promote cell division.
(b) to inhibit growth.
(c) to promote growth of stem.
(d) to increase the length of cells.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Fall of mature leaves and fruits from plants is triggered by which of the following substance?
(a) Auxin
(b) Cytokinin
(c) Gibberellin
(d) Abscisic acid
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