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HORMONAL REGULATION AND PLANT DEVELOPMENT
Test Description: Get to know more about the hormonal regulation and plant development in plant
Instructions: Answer all questions to get your test result.
1) Which of these is not a function of auxin?
A
maintaining apical dominance
B
inducing dormancy
C
enhancing cell division
D
inducing callus formation
2) This hormone is not a growth inhibitor
A
Abscisic acid
B
Dormin
C
IAA
D
Ethylene
3) Which of the following plant hormones is responsible for the growth and elongation of the plant?
A
auxin
B
ethylene
C
abscisic acid
4) Which of the following plant hormones is responsible for inducing mitosis in root and stem cells?
A
gibberellins
B
abscisic acid
C
cytokinins
5) Name the plant hormone which increases the activity of cambium in the wooden plants?
A
Auxins
B
Gibberellins
C
Cytokinins
D
Ethylene
6) Which of the following statement is incorrect?
A
Indoleacetic Acid (IAA) is a principal auxin.
B
Auxins are produced at the region of elongation.
C
Auxins are also important in regulating the fall of leaves and fruits.
D
Auxins are the most important plant hormone.
7) Gibberellin that is synthesized in the shoot transported to different parts of the plant by which medium?
A
Aleurone layer
B
xylem
C
Phloem
D
Sieve tube
8) Which of the following hormone is found in gaseous form?
A
Abscisic Acid
B
Auxin
C
Florigens
D
Ethylene
9) Which of the following plant hormone causes a delay in leaf senescence?
A
Auxin
B
Ethylene
C
Abscisic acid
D
Cytokines
10) A widely used rooting hormone is
A
2,4,5 – T
B
Cytokinin
C
NAA
D
2,4, -D
*select an answer for all questions
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