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explain briefly pollination in vallisneria

Practising given Class 12 Biology Chapterwise Important Questions with solutions will help in scoring more marks in your Board Examinations. Self-pollination is the more basic type of pollination because it only involves one flower. . Adaptations. Explain cross-pollination and the ways in which it takes place; Describe the process that leads to the development of a seed; Define double fertilization; In angiosperms, pollination is defined as the placement or transfer of pollen from the anther to the stigma of the same flower or another flower. The students can answer this question by taking any of the flowering examples: (i) Salvia (ii) Sweet pea (iii) Maize (iv) Vallisneria. Advantages and Disadvantages of Cross-Pollination 3. 1.1k LIKES. The male plants produce a large number of male flow­ers. In plants, fertilization is a process of sexual reproduction, which occurs after pollination and germination. These must meet for reproduction to begin, a process called pollination. The plants secrete pollen grains (male gametes) from the anther of the flower (male organ). Hydrophily – pollination by water, e.g. MEDIUM. They are different methods of self-pollination and cross-pollination. How is it different in water lily, which is also an aquatic plant? Join now. Ask questions, doubts, problems and we will help you. Pollination is the means of sexual reproduction in plants.. If there are any difficulties in the pollination process through abiotic or biotic agents, the artificial method of pollination is performed by spreading pollen grains over the female flowers. Question: Explain pollination in Vallisneria Answer: Vallisneria pollination take place by water (Hydrophily). Wind and Water Pollination. Meaning of Cross-Pollination: If pollen grains are carried to the stigma of a flower of the same species growing on a different plant, it is cross-pollination. This pollen reaches on to the stigma of a female organ in the flower.This flower can be of the same plant or different plant. Chemistry. 8. (c) Collection and storing of various types of pollen. It is part of the sexual reproduction process of flowering plants, which results in seeds that will grow into new plants. - eanswers.in All flowering plants rely on pollination for reproduction. The male flowers have two fertile stamens. Vallisneria (Fig. Explain the process of pollination in Vallisneria .How is it different in water- lily , which is also an aquatic plant ? Biology. Wind-pollinated plants do not invest in resources that attract pollinating organisms, such as nectar and scent. Pollination by wind takes place in Maize, Paddy and grass, In Vallisneria, Hydrilla night queen, Jasmine, fusion of the male-female reproductive nucleus-Fertilization All these are mentioned below for easy reference. How sea - grasses and Vallisneria achieve pollination ? Types of Pollination. Myrmecophily – pollination by ant, example in the Dwarf owl-clover (Orthocarpus pusillus). explain the mechanism of pollination in vallisneria. Self- pollination: This happens when the pollen grain from the anther of a flower is transferred to the stigma of the same type flower. Pollination in Vallisneria is . This process is also called as the Anthropophily. Log in. After pollination, the vallisneria ovary develops into a seed-bearing fruit. 5. and ribbon weed (Vallisneria spiralis). How does pollination occur in vallisneria. Wind Pollination. ANSWER KEY -MILL. In Vallisneria, the female flower reach the surface of water by the long stalk and the male flowers or pollen grains are released on to the surface of water. Dear Student, Please find below the solution to the asked query: The mode of pollination in Vallisneria is hydrophily (pollination through water) and the mode of pollination in water lilly is entomophily (pollination through insects). 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