1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are some statements about plant growth regulators.

A. All GAs are acidic in nature.

B. Auxins are antagonists to GAs.

C. Zeatin was isolated from coconut milk.

D. Ethylene induces flowering in Mango.

E. Abscisic acid induces parthenocarpy.

Choose the correct set of statements from the options given below :

A
A, C, D
B
B, E
C
A, B, C
D
B, D, E
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin

A
promotes apical dominance.
B
promotes abscission of mature leaves only.
C
does not affect mature monocotyledonous plants.
D
can help in cell division in grasses, to produce growth.
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Formation of interfascicular cambium from fully developed parenchyma cells is an example for

A
Differentiation
B
Redifferentiation
C
Dedifferentiation
D
Maturation
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

A
Auxin
B
Gibberellin
C
Cytokinin
D
Abscisic acid
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