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प्रश्न
List any two strategy adopted by bisexual flowers to prevent self-pollination.
उत्तर
- Protandry or protogyny
- Herkogamy
संबंधित प्रश्न
Sketch and label V. S. of mature anatropous ovule.
Arrange the layers of another wall from locus to periphery
Choose the correct statement(s) about tenuinucellate ovule
What is Cantharophily?
What is endothelium?
List out the functions of the tapetum.
Give short notes on types of ovules.
With a suitable diagram explain the structure of an ovule.
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 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 |
Identify the botanical name of garden pea.
From the following which is NOT true about self-pollination?
During the formation of leaves and elongation of stem, some cells ‘left behind’ from the shoot apical meristem, constitute the:
