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प्रश्न
What is endothelium?
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उत्तर
In Asteraceae species, the inner layer of the integument gets specialized for nourishing the embryosac and this is called integumentary tapetum or endothelium.
संबंधित प्रश्न
Arrange the layers of another wall from locus to periphery
What is Cantharophily?
List any two strategy adopted by bisexual flowers to prevent self-pollination.
List out the functions of the tapetum.
Distinguish tenuinucellate and crassinucellate ovules.
Give short notes on types of ovules.
Explain the pollination mechanism in Salvia.
Discuss the steps involved in Microsporogenesis.
With a suitable diagram explain the structure of an ovule.
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.
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:
