1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The site of perception of light in plants during photoperiodism is
A
Leaf
B
Shoot apex
C
Stem
D
Axillary bud
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The plant hormone used to destroy weeds in a field
A
IBA
B
IAA
C
NAA
D
2, 4-D
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following is not an inhibitory substance governing seed dormancy?
A
Para-ascorbic acid
B
Abscisic acid
C
Gibberellic acid
D
Phenolic acid
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop
A
Abscisic acid
B
Cytokinin
C
Gibberellin
D
Ethylene
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