In many plants, Pollination occurs through the wind. 676 Qs. Cross pollination by insect. anemos- wind, philein- to love; Wind Pollination; Fig. Of male flowers than female flowers nd r … It may also occur in flowers showing male sterile lines e.g. Anthers and the stigma lie close to each other in a way that self-pollination occurs, i.e. Practising given Class 12 Biology Chapterwise Important Questions with solutions will help in scoring more marks in your Board Examinations. Flowering plants have developed certain outbreeding device to discourage self-pollination and to encourage cross – pollination . Prev Question Next Question. Explain how some plants are adapted for achieving pollination … A. Cleistogamous. 1. The three cells found in … are entomophilous flowers. 9. It is the most primitive type of pollination and mostly the plants produces unisexual flowers. Pollination. Flowers in which pollination occurs, through the wind, are known as Anemophilous flowers. These insects are generally bees, butterflies, moths, flies and beetles. Paddy, Wheat, Maize. maize, Solanum. Often the tiny flowers are assembled in densely clustered inflorescences as in Maize or Jowar or Ragi. are entomophilous … (i)Autogamy is the transfer of pollen grains from anther to the stigma of the same flower. C. Entomophilous. Flowers showing different maturation times for stamens and carpels may also show cross-pollination, e.g. Sexual Reproduction in Flowering Plants Important Questions for CBSE Class 12 Biology Pollination. Characteristics of Anemophilous Flowers: sunflower, Magnolia. Pollination through insects: In most.cases at the time of collection ofVnectar pollen grains from one flower is transferred to another flower by insects. 9.1 Types of Pollination 1 Self pollination or Autogamy :-If the pollen grain are transferred from an anther to the stigma of the same flower, this process is called self pollination or autogamy. Practice important Questions. (2) Pollination through the wind: Wind is another good agent of pollination. (a) Dicliny (b) Dichogamy (c) Herkogamy (d) Cleistogamy 7. Pollination is defined as the process of transfer of pollen grains from an anther to the stigma of the same flower or of different flower. 6. Flowers in which pollination occur through insects are known as entomophilous flowers. EASY. Mustard, Basils, Orchids, Roses, Cucurbita, etc. One of these is not an example of such outbreeding device. 1.Pollination is the transfer of pollen grains from anther to the stigma of a pistil. Free PDF download of Important Questions for CBSE Class 12 Biology Chapter 2 - Sexual Reproduction in Flowering Plants prepared by expert Biology teachers from the latest edition of CBSE (NCERT) books. 1. What are the Characteristics of cross-pollination? D. Hydrophilous. B. Anemophilous. Anemophily (Gk. Anemophilus flowers have more no. Cross-pollination usually occurs in plants having unisexual flower. Crop pollination yield with enhanced quality in entomophilous orchard fruit crops (Garratt et al., 2013), in field crops (Bommarco, 2012), and small fruits and vegetables ... Cowpea, Maize and Rice were the pollination dependent crops in Jutpani (Intensive agriculture Mustard, Basils, Orchids, Roses, Cucurbita, etc. Insect pollinated flowers: These flowers, called entomophilous, in general, are conspicuous with large and brightly coloured or white petals, often scented, nectar producing and relative low in pollen production. Answer. 2.19): It is a mode of cross pollination or transfer of pollen grains from a mature anther to the stigma of a pistil which is accomplished through the agency of wind, e.g., Coconut Palm, Date Palm, Maize, many grasses, Cannabis. Related Questions to study. Insect pollination is also known as Entomophily. Dinesh Vol III Biology Pg 17 to 57 . Maize is. 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