The correct Answer is A-3, B-4, C-1, D-2
Explanation
This question assesses knowledge of plant reproductive structures and flower types, specifically distinguishing between unisexual and bisexual flowers and identifying male and female reproductive organs in plants.
Statement-wise Analysis
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A. Papaya - 3. Unisexual flower:
Correct. Papaya plants bear unisexual flowers, meaning individual flowers contain either male reproductive organs (stamens) or female reproductive organs (pistils), but not both.
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B. Hibiscus - 4. Bisexual flower:
Correct. Hibiscus flowers are bisexual (or perfect), meaning they contain both male reproductive organs (stamens) and female reproductive organs (pistils) within the same flower.
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C. Stamen - 1. Male reproductive organ:
Correct. The stamen is the male reproductive organ of a flower, typically consisting of an anther and a filament, responsible for producing pollen.
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D. Pistil - 2. Female reproductive organ:
Correct. The pistil (or carpel) is the female reproductive organ of a flower, typically consisting of a stigma, style, and ovary, responsible for receiving pollen and containing ovules.
Key Takeaway
Unisexual flowers contain either stamens or pistils, while bisexual flowers contain both; stamens are male reproductive organs, and pistils are female reproductive organs.