NEETBotanyPlant - Growth and Development
Match List-I with List-II. List-I List-II (A) Delay of leaf senescence (I) Ethylene (B) Apical hook formation in dicot seedlings (II) Gibberellin (C) Bolting in beet and cabbages (III) Cytokinin (D) Parthenocarpy in tomatoes (IV) Auxin Choose the correct answer from the options given below.
Options
- A(A)-(III), (B)-(I), (C)-(II), (D)-(IV)
- B(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
- C(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
- D(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
Correct answer
A. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
Step-by-step solution
Cytokinins help delay leaf senescence by promoting nutrient mobilisation. Ethylene induces apical hook formation in dicot seedlings, which is part of the triple response. Gibberellins promote bolting (internode elongation just prior to flowering) in rosette plants like beet and cabbages. Auxins are widely used to induce parthenocarpy (seedless fruit formation), such as in tomatoes. Therefore, the correct matching is (A)-(III), (B)-(I), (C)-(II), (D)-(IV). Answer: (A)-(III), (B)-(I), (C)-(II), (D)-(IV)