Bisexual flowers are common in angiosperms, promoting reproduction efficiency.
Flower reproductive structure analysis:
(A) Asexual - Incorrect: Flowers with reproductive structures are by definition sexual.
(B) Unisexual - Incorrect: This describes flowers having either stamens (male) or carpels (female), not both.
(C) Bisexual - Correct: Flowers containing both stamens (male) and carpels (female) are termed bisexual or perfect flowers.
(D) Dioecious - Incorrect: This refers to plant species having male and female flowers on separate plants.
The correct answer is (C) Bisexual, also known as hermaphroditic or perfect flowers.
A flower with both stamens and carpels is bisexual .
Final Answer:
(C) Bisexual
| Column I | Column II | ||
|---|---|---|---|
| 1. | Calotropis | p. | Invertebrates |
| 2. | Pisaster | q. | Distasteful |
| 3. | Monarch butterfly | r. | Cryptically colored |
| 4. | Frogs | s. | Cardioglycoside |
Match Column I and Column I
| Column I | Column II | ||
|---|---|---|---|
| 1 | Narrowly utilitarian argument | p | Conserving biodiversity for major ecosystem services |
| 2 | Broadly utilitarian argument | q | Every species has an intrinsic value and moral duty to pass our biological legacy in good order to future generation. |
| 3 | Ethical argument | r | Receiving benefits like food, medicine & industrial products. |