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प्रश्न
First cell of male gametophyte in angiosperm is
पर्याय
Microspore
megaspore
Nucleus
Primary Endosperm Nucleus
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उत्तर
Microspore
संबंधित प्रश्न
Sketch and label the V. S. of a mature anatropous ovule.
Arrange the layers of another wall from locus to periphery
Differentiate Secretary and invasive tapetum.
What is Cantharophily?
List any two strategy adopted by bisexual flowers to prevent self-pollination.
What is endothelium?
List out the functions of the tapetum.
Distinguish tenuinucellate and crassinucellate ovules.
Explain the pollination mechanism in Salvia.
Discuss the steps involved in Microsporogenesis.
With a suitable diagram explain the structure of an ovule.
Identify the event in a botanical garden that is never directly influenced by light.
Identify the function/s of integuments.
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?
