Topic: Chapter 16: Plant and Animal Hormones (Test 1)



Topic: Chapter 16: Plant and Animal Hormones
Q.1
Gibberellins cause:
A. Shortening of genetically tall plants
B. Elongation of dwarf plants
C. Promotion of rooting
D. Yellowing of young leaves
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.2
The hormone which has positive effect on apical dominance is:
A. Cytokinin
B. Auxin
C. Gibberellin
D. Ethylene
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.3
Which one of the following hormones is naturally not found in plants:
A. 2, 4-D
B. GA3
C. Gibberellin
D. IAA
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.4
Avena coleoptile test was conducted by
A. Darwin
B. N. Smit
C. Paal
D. F.W. Went
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.5
To increase the sugar production in sugarcanes they are sprayed with _______
A. Auxin
B. Cytokinin
C. Gibberellins
D. Ethylene
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.6
LH is secreted by
A. Adrenal gland
B. Thyroid gland
C. Anterior pituitary
D. Hypothalamus
Answer : Option C
Explaination / Solution:
No Explaination.


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Q.7
Identify the exocrine gland
A. Pituitary gland
B. Adrenal gland
C. Salivary gland
D. Thyroid gland
Answer : Option C
Explaination / Solution:
No Explaination.


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Q.8
Which organ acts as both exocrine gland as well as endocrine gland
A. Pancreas
B. Kidney
C. Liver
D. Lungs
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.9
Which one is referred as “Master Gland”?
A. Pineal gland
B. Pituitary gland
C. Thyroid gland
D. Adrenal gland
Answer : Option B
Explaination / Solution:
No Explaination.


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