... ISC Previous Year Question Papers class 12 It results in the formation of diploid zygote, which develops into an embryo and gives rise to a new plant. Light seeds: Seeds of some plants are sufficiently light and minute in size to easily carry away to great distance by air currents.(E.g. When you eat the flesh of a fruit, like an apple or a watermelon, you are eating the ovary of the flower. Forming seeds and fruit Fertilisation. If you need to contact the Course-Notes.Org web … Wind dispersed seeds and fruits have a variety of adaptations which help them to be carried away by wind. One or more flower takes part in the formation of fruit. Seeds are a protective structure that lets a plant embryo survive for long periods of time before it germinates. The seed can remain dormant until conditions are suitable for the embryo to begin growing. When a pollen grain. Fruit and Seed Formation Without Fertilization. The fruits and seeds with specialized devices which may be in the form of spongy and fibrous outer walls as in coconut and spongy thalamus as in lotus, ... Class 12. Water: The poor or additional supply of water affects the seed germination. In a few species, a special mechanism has evolved to produce seed and fruit. A fruit is an important and characteristic element of the plants, especially angiosperms. There are some major factors that affect seed germination. Factors Affecting Seed Germination. The key difference between fruit and seed is that fruit is the developed ovary of angiosperms after fertilization while seed is a fertilized ovule of plants.. Pollination is the process of transferring pollen from anthers to the stigma of the flowers. These include: External Factors. Advantages of seed formation in plants: Seeds provide a protective coat so that the embryo plant can develop when it finds a nice piece of soil. For general help, questions, and suggestions, try our dedicated support forums. Biology Notes Class XII As Per CBSE (NCERT) Books Chapter Wise-Notes PDF ( Board Level ) ... post fertilization events-development of endosperm and embryo, development of seed and formation of fruit; Special modes-apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation. Fruits and Seeds. Class 5 Class 6 Class 7 Class 8 Class 9 Class 10 Class 11 Class 12. It restores the diploid condition by fusion of haploid male and female gametes. We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you. Significance of double fertilization is as follows: It gives stimulus to the plant due to which ovary develops into fruit and ovules develop into seeds. Explore more: Significance of Seeds and Fruits Formation. lands on the stigma of a flower of the correct species, a pollen tube begins to grow. 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