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Name the process through which oxygen was added to the atmosphere
  • a)
    Respiration
  • b)
    Excretion
  • c)
    Decomposition
  • d)
    Photosynthesis
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Name the process through which oxygen was added to the atmospherea)Res...
Early organisms are known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen.
In fact, all the plants on Earth incorporate symbiotic cyanobacteria (known as chloroplasts) to do their photosynthesis of early days where no oxygen is present to this day.
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Name the process through which oxygen was added to the atmospherea)Res...
Hey see here is your answer ____!!!!


If a potted plant is over watered for a long time, then the plant may ultimately die. This is because too much water expels all the air from in between the soil particles. Due to this, oxygen is not available to the roots for aerobic respiration. In this condition, the roots of plant respire anaerobically producing alcohol. This may kill the plant. Germinating seeds during early stage respire anaerobically because they have seed coat which does not allow the oxygen to enter through it.

Respiration in plants happens throughout the day and night thereby carbon dioxide is produced. However, during the daytime, the amount of carbon dioxide released is negligible compared to the amount of oxygen produced as a result of photosynthesis. Hence, one should not sleep under a tree at night
Plants like other animals also respire. Plants also need energy. The plants get energy through the process of respiration in which glucose food breaks down in the presence of oxygen to form carbon dioxide and water with the release of energy.

This energy is used by the plant for carrying out its various life processes. Thus, Like other organisms, plants also respire for their survival. The respiration in plants differs from that of animals. In other words, in plants, each part can independently take in oxygen from air, utilize it to obtain energy, and give out carbon dioxide

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Name the process through which oxygen was added to the atmospherea)Respirationb)Excretionc)Decompositiond)PhotosynthesisCorrect answer is option 'D'. Can you explain this answer?
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