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प्रश्न
First cell of male gametophyte in angiosperm is
विकल्प
Microspore
megaspore
Nucleus
Primary Endosperm Nucleus
उत्तर
Microspore
संबंधित प्रश्न
Arrange the layers of another wall from locus to periphery
Choose the correct statement(s) about tenuinucellate ovule
Differentiate Secretary and invasive tapetum.
What is Cantharophily?
List any two strategy adopted by bisexual flowers to prevent self-pollination.
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.
______ 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.
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:
During the formation of leaves and elongation of stem, some cells ‘left behind’ from the shoot apical meristem, constitute the:
Name the part of pistil that develops into fruits and seeds after fertilization.
