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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.
First cell of male gametophyte in angiosperm is
Arrange the layers of another wall from locus to periphery
Differentiate Secretary and invasive tapetum.
What is Cantharophily?
What is endothelium?
List out the functions of the tapetum.
Explain the pollination mechanism in Salvia.
With a suitable diagram explain the structure of an ovule.
______ refers to the flower in which gynoecium possesses many free carpels.
Identify the function/s of integuments.
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.
Name the part of pistil that develops into fruits and seeds after fertilization.
