Скачать или смотреть English Version Class 6 Science 15th week assignment solution

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বাংলা ভার্সন :    • Bangla Version Class 6 Science 15th week a...  
Orko planted onions in a small tub and left them in the sunlight by the window. After some days, its green leaves have grown quite large. He is watching it every day with great delight. His elder brother informed him that a special process was taking place here by which oxygen was being released into the atmosphere. To test this, oxygen extraction can be seen by using the Hydrilla plant.
1. What is the name of this special process? Why does it only occur in green plants?
2. Show the overall process and explain the benefits of using the hydrilla plant to test for oxygen extraction.
3. If this process does not happen, it will be a threat to the fauna - determine the rationale.



Title of the Assignment : Chapter Five- Photosynthesis