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प्रश्न
List any two strategy adopted by bisexual flowers to prevent self-pollination.
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उत्तर
- Protandry or protogyny
- Herkogamy
संबंधित प्रश्न
Sketch and label the V. S. of a mature anatropous ovule.
Choose the correct statement(s) about tenuinucellate ovule
What is Cantharophily?
What is endothelium?
Give short notes on types of ovules.
Discuss the steps involved in Microsporogenesis.
Identify the event in a botanical garden that is never directly influenced by light.
______ refers to the flower in which gynoecium possesses many free carpels.
Identify the function/s of integuments.
In a mature ovule, shows the presence of an oval shaped, haploid structure at micropylar end known as ______.
Identify the CORRECT term for the following:
The thick, highly resistant outer layer of pollen wall.
Ovule is attached to the ______ by a small stalk called funiculus.
Match the Column I (Type of pollination) and Column II (Characteristics). Select the correct option.
| Column I | Column II | ||
| a. | Ornithophily | 1. | Nocturnal flower |
| b. | Entomoohily | 2. | Light pollens |
| c. | Chiropterophily | 3. | Funnel-shaped corolla |
| d. | Anemophily | 4. | Pleasant fragrance and nectar |
