1
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Which one of the following phytohormones promotes nutrient mobilization which helps in the delay of leaf senescence in plants?
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
Match List-I with List-II :
| List - I | List - II | ||
|---|---|---|---|
| (A) | Abscisic acid | (I) | Promotes female flowers in cucumber |
| (B) | Ethylene | (II) | Helps seeds to withstand desiccation |
| (C) | Gibberellin | (III) | Helps in nutrient mobilisation |
| (D) | Cytokinin | (IV) | Promotes bolting in beet, cabbage etc. |
Choose the correct answer from the options given below:
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1
F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following except :
4
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 :
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