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Plants need oxygen! SQA asked a wrong question which should not be included in our mark.

This petition had 28 supporters


As part of the SQA national 5 chemistry exam question 18 of the multiple choice asked what element is not needed for plants to grow. The options were nitrogen, potassium, phosphorus and oxygen. As part of the chemistry course we learned that the NPK elements are vital for growth, however we also learn about resperation which is essential for life. Oxygen is part of this reaction and therefore oxygen is needed for plants to grow. For this reason the question should not be including in the marking of the exam and should not contribute to the final grade.

I suggest the SQA carry out their own experiment where they deprive plants of all oxygen, including in the forms of water and carbon dioxide, and see if their plants grown. Everyone knows plants need water to grow which contains oxygen.



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