Chapter 7 Getting to Know Plants

  • As we see, there are different kind of plants around us. Some are short, bushy and some are larger and branched.
  • Generally plants are categorized into three types: herbs, shrubs and trees.
  • Some are climbers and creepers which take support from other and climbs up and spreads on the ground level respectively.
  • Leaf have petiole, lamina, veins and a midrib.
  • Plants loose or releases a lot of water by a process called transpiration.
  • Plants make their food themselves in the presence of sunlight by using carbon dioxide and water from the environment by a process called photosynthesis. Photosynthesis is done by green leaves.
  • Roots are of two types: tap root, lateral roots and fibrous roots.
  • Flower consists of various parts: sepals, petals, stamen, pistil etc.
  • Inside the stamen two parts are present anther and filament.
  • Pistil have three parts: stigma, style and ovary.
  • Ovary contains ovule.

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Exercise 1 ( Page No. : 64 )