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प्रश्न
First cell of male gametophyte in angiosperm is
विकल्प
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.
Choose the correct statement(s) about tenuinucellate ovule
Differentiate Secretary and invasive tapetum.
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.
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.
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.
From the following which is NOT true about self-pollination?
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.
