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Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

Match List-I with List-II regarding outbreeding devices: List-I A. Non-synchronised pollen release & stigma receptivity B. Anther and stigma placed at different positions C. Self-incompatibility D. Dioecy (e.g., Papaya) List-II I. Genetic inhibition of pollen tube growth II. Prevents both autogamy and geitonogamy III. Prevents autogamy by spatial separation IV. Prevents autogamy by temporal separation Choose the correct answer from the options given below:

  1. A-IV, B-III, C-I, D-II
  2. A-III, B-IV, C-I, D-II
  3. A-IV, B-I, C-III, D-II
  4. A-II, B-III, C-IV, D-I

Correct answer · Option 1

A-IV, B-III, C-I, D-II

Explanation

A: Temporal non-synchrony prevents autogamy (A-IV). B: Spatial positioning prevents autogamy (B-III). C: Self-incompatibility is genetic inhibition (C-I). D: Dioecy prevents both autogamy and geitonogamy (D-II).
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