Question

    What is the unit of Photosynthetically active radiation?

    A W m−² Correct Answer Incorrect Answer
    B μ Em−² s−¹ Correct Answer Incorrect Answer
    C EMJ−¹ Correct Answer Incorrect Answer
    D g MJ−¹ Correct Answer Incorrect Answer

    Solution

    Photosynthetically active radiation (PAR) is often measured in micromoles of photons per meter squared per second (μmol/m²/s).

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