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| Pollination, , ©
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The transfer of pollen from on, is an example of cross pollination., , D. Match the column., , SOB: oN, , Column A, Sepals, , Petals, , Style, , Filament, Perfect flowers, , Imperfect flowers, , ne to style,, : daienme ’ flower has only one type of reproductive organ., . Pistil consists of three Parts—Style, stigma and ovary, , e flower to another flower of same plants, , ute tecela, , , , , , , , , , MIME, , , , , , , , , , Column B, (a) a part of pistil 3, (b) a part of stamen 44, (c) green in colour 4, (d) having only one of stamen and pistil€, (e) are found in different colours 2,, , (f) having both stamen and pistil S
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_Q@ummr=y, QEXERCISE, , A. Choose the correct answer., 1. Gynoecium is the, Sar female reproductive par, (b) male reproductive part of flower, (c) another name of petals, (d) another name of sepals, , t of flower, , le reproductive organ of a flower?, , (b) Stigma, (d) Ovary, , 2. Which of the following is the part of mal, (a) Style, ey Filament, 3. Which of the follo, (a) Wind, (c) Birds, , OO, , wing does not help in pollination?, (b) Insects, , lar Sunlight, , 4. Which of the following is a unisexual flower?, : (b) Lily, , (d) Daffodil, , OO, , , , (a) Rose, , (oy Watermelon, , 5. Which among the following is an example of perfect flowers?, (a) Tulip [| (b) Mustard, (c) Hibiscus [| Sd All of these, , B. Fill in the blanks with the help of words given in the box., , OO, , , , , , , , pollinators st, , , , 1. Filorpertt _ is a tube like part of stamen., , 2. Pollen grains transfer from an then to_ot, 1, , 3. Sunflower is an example of Res be ck flower., , 4. Tapioca is an example of immbendoch flowex, 5. The agents which help in pollination are called Pollinalyy Sb, , te Po », , , , Pe ee ee ee pe fee ee) a)
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Q1. Draw colour and label different, parts of a flower., , Ans:, Q2. What is androecium?, , Ans: Androecium is the male, reproductive part of the flower and, also called as stamen. It has two, parts anther and filament., , Q3. Name the parts of female, reproductive organ of a flower., , Ans: Female reproductive organ of a, flower have stigma style and ovary., , Q4. How the colours and fragrance, of a flower helps in reproduction?, , Ans: The colour and fragrance attract, birds and insects towards flower, , and helps in transfer of pollen grains, from anther to stigma.
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Q5. Describe the various ways of, pollination., , Ans: The various ways of pollination, are cross pollination and self, pollination, , *Cross pollination: in this process, pollen grains transfer from stamen, of one flower to the pistil of another, flower., , *Self pollination : in this process the, pollen grains transfer from stamen, of one flower to the pistil of the same, flower or another flower on the same, plant., , Q6 . What are pollinators? Give any, three examples., , Ans: Pollinators are the pollinating, agents which helps in pollination., Some examples are are wind,, water insects and animals
