Class 7 Science Chapter 12 MCQ (Multiple Choice Questions) of Reproduction in Plants updated for academic session 2122 MCQs are important part of the There is another group of plants which set seeds without exposing their sex organs Such flowers are called cleistogamous and the phenomenon is cleistogamy Q5Seeds and fruit A pollen grain starts to grow if it lands on the stigma of a flower of the correct species A pollen tube grows through the tissues of the flower
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During sexual reproduction, they produce seeds Plants in their lifetime produce seeds that germinate, grow and develop into new plants These new plants Vegetative Propagation is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds Since reproduction is through theThis pollen is the male part of the reproduction, but is nonetheless genetically female and produces seeds that produce virtually 100% female plants It is
Today most plants utilize spores or seeds to facilitate reproduction In seedproducing plants, the male gametes are housed in pollen grains which are most Plants have two main types of asexual reproduction vegetative reproduction and apomixis Vegetative reproduction results in new plant individuals without the Sexual reproduction in plants The flower is the reproductive organ of the plant It usually contains male organs (pollen containing pollen containing sperm) and
Plants produce flowers to make seeds To make a seed a flower must be pollinated Pollen from the male part of one flower travels to the female part of anotherReproduction in plants can be categorized into two types Asexual Reproduction – The new plants are produced without using the seeds In this process, generally 1 An advantage of asexual reproduction in plants is (1 point) reproduction without another parent conservation of energy reproduction with another parent increased
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Plants produce many fruits and therefore many seeds This is because only a few of these seeds will find suitable places and conditions in which to germinate The If the ovary contains one ovule, it will give a fruit with a single seed as olives and peaches, and if the ovary contains many ovules, Asexual & sexual The plant reproduction is producing an offspring from an existing plant They can follow either sexual or asexual methods of reproduction This again depends on
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Sexual Mode – New plants are obtained from seeds Asexual Reproduction In Plants In asexual reproduction in plants, plants are reproduced without theSeeds are dispersed to increase propagation of the next generation Seeds are often dispersed Evolution of Gymnosperms The fossil plant Elkinsia polymorpha, a "seed fern" from the Devonian period—about 400 million years ago—is considered the earliest seed
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Reproduction in flowering plants begins with pollination, the transfer of pollen from anther to stigma on the same flower or to the stigma of another flower on theAsexual reproduction for plants requires less energy and resource investment than flower production, attracting pollinators, or finding a means of seed dispersal (e) Seed dispersal takes place by means of wind, water and animals Q2 Describe the different methods of asexual reproduction Give examples Ans The various modes
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SEXUAL REPRODUCTION IN PLANTS When two parents are involved in the process, it is called sexual reproduction Two gametes, viz male and female gametes, are formed Plant reproduction comes in two types sexual and asexual Sexual reproduction is similar to human reproduction, in which male pollen and female ovarian germ cellsThe reproduction happens by different processes that occur in plants and give rise to a descendant plant Fruits and seeds are the results of sexual
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Plant reproductive system, any of the systems, sexual or asexual, by which plants reproduce Asexual reproduction results in offspring that are identical to the This special issue focuses on diverse aspects of plant reproduction, including apomixis and sexual plant reproduction, germline identity, plant domesticationSexual Reproduction in Plants Reproduction in plants takes place sexually and asexually as well But the majority of the flowering plants reproduce sexually The flower
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A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food It is the product of the ripened ovule of gymnospermPlant reproduction is the production of new individuals or offspring in plants Reproduction is either sexual or asexual Sexual reproduction is the formation of Plants have flowers that produce seeds through sexual reproduction;
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The mode of reproduction in crop plants may be broadly grouped into three categories Vegetative, Apomictic and Sexual Mode # 1 Vegetative or Asexual In this type Plant reproduction refers to production of new offspring in plants which can be either asexual or sexual methods Sexual reproduction is the production of new They help the plants in sexual reproduction and producing fruits and seeds In sexual reproduction, a male cell is produced by the male part of a flower which
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Sexual reproduction results in offspring genetically different from the parents Asexual offspring are genetically identical except for mutation In higher plants The evolution of the seed represents a remarkable transition for photosynthetic organisms It is the most complex and successful method of sexual reproduction inThe evolution of seeds allowed plants to decrease their dependency upon water for reproduction Seeds contain an embryo that can remain dormant until conditions
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Reproduction plants can give rise to new plants without seeds, whereas in sexual Asexual reproduction In asexual reproduction new plants are obtained The process of reproduction takes place in the plant through a special structure, called flower That part of the nucellus present inside the seed in the form
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