1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The gaseous plant growth regulator is used in plants to:

A
speed up the malting process
B
promote root growth and roothair formation to increase the absorption surface
C
help overcome apical dominance
D
kill dicotyledonous weeds in the fields
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants:

A
ABA
B
Gibberellin
C
Ethylene
D
Cytokinin
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Plants follow different pathways in response to environment of phases of life to form different kinds of structures. This ability is called
A
Maturity
B
Elasticity
C
Flexibility
D
Plasticity
4
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
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