मराठी

How would you demonstrate that green plants release oxygen when exposed to light?

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प्रश्न

How would you demonstrate that green plants release oxygen when exposed to light?

थोडक्यात उत्तर
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उत्तर

  • Place some water plants (Elodea or Hydrilla) in a beaker containing pond water and cover them by a short-stemmed funnel.
  • Invert a test tube full of water over the stem of the funnel. (Ensure that the level of water in the beaker is above the level of the stem of the inverted funnel.)
  • Place the apparatus in the sun for a few hours (in Fig). Bubbles of the gas will collect in the test tube.
  • Test the gas in the test tube. A glowing splinter bursts into flame, which shows the presence of oxygen.

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पाठ 6: Photosynthesis - Review Questions [पृष्ठ ८१]

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सेलिना Concise Biology [English] Class 10 ICSE
पाठ 6 Photosynthesis
Review Questions | Q D. 5. | पृष्ठ ८१
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