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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
inducing callus formation
B
enhancing cell division
C
inducing dormancy
D
maintaining apical dominance
2) This hormone is not a growth inhibitor
A
Abscisic acid
B
Dormin
C
Ethylene
D
IAA
3) Which of the following plant hormones is responsible for the growth and elongation of the plant?
A
ethylene
B
abscisic acid
C
auxin
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
Ethylene
B
Cytokinins
C
Auxins
D
Gibberellins
6) Which of the following statement is incorrect?
A
Auxins are also important in regulating the fall of leaves and fruits.
B
Auxins are produced at the region of elongation.
C
Indoleacetic Acid (IAA) is a principal auxin.
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
Sieve tube
D
Phloem
8) Which of the following hormone is found in gaseous form?
A
Auxin
B
Abscisic Acid
C
Ethylene
D
Florigens
9) Which of the following plant hormone causes a delay in leaf senescence?
A
Cytokines
B
Ethylene
C
Auxin
D
Abscisic acid
10) A widely used rooting hormone is
A
NAA
B
2,4, -D
C
Cytokinin
D
2,4,5 – T
*select an answer for all questions
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