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प्रश्न
First cell of male gametophyte in angiosperm is
पर्याय
Microspore
megaspore
Nucleus
Primary Endosperm Nucleus
उत्तर
Microspore
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
Differentiate Secretary and invasive tapetum.
List any two strategy adopted by bisexual flowers to prevent self-pollination.
What is endothelium?
Distinguish tenuinucellate and crassinucellate ovules.
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.
In a mature ovule, shows the presence of an oval shaped, haploid structure at micropylar end known as ______.
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: