Advertisements
Advertisements
Question
What is endothelium?
Advertisements
Solution
In Asteraceae species, the inner layer of the integument gets specialized for nourishing the embryosac and this is called integumentary tapetum or endothelium.
RELATED QUESTIONS
First cell of male gametophyte in angiosperm is
Arrange the layers of another wall from locus to periphery
Differentiate Secretary and invasive tapetum.
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.
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 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 |
Identify the botanical name of garden pea.
Flowering in pineapple is promoted by:
