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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 5

Explain the methods of pollination. - Science

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Question

Explain the methods of pollination.

Long Answer

Solution

  1. Pollination by Wind (Anemophily): The flowers pollinated by wind are mostly small in size and do not have any attractive colour, smell, and nectar. The pollen grains are non-sticky, dry, light, and powdery. Hence, they are easily carried by the wind. E.g. Grass, Maize, Pine.
  2. Pollination by Water (Hydrophily): The flowers of water plants are not colourful and they have no nectar. Pollen grains of these plants have mucilaginous covering to protect them from getting wet. They float in water and reach the other plant. E.g. Vallisneria, Hydrilla, Zosteria.
  3. Pollination by Insects (Entamophily): This is the most common type of pollination in plants like sunflower, ladies finger, brinjal, and pumpkin. Some flowers are large in size and they have a sweet smell. Some of these flowers produce nectar. They attract insects like butterflies and honey bees.
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Chapter 3: Plants - Evaluation [Page 93]

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Samacheer Kalvi Science - Term 2 [English] Class 5 TN Board
Chapter 3 Plants
Evaluation | Q V. 2. | Page 93
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