current affairs MCQ #1215

Plants during the night exhale ___________.

current affairs MCQ #1215

  1. Question 1

    Q1. Plants during the night exhale ___________.

    • A) Oxygen
    • B) Carbon Dioxide
    • C) Nitrogen
    • D) Hydrogen

    Answer: Carbon Dioxide

    Explanation: At night, in the absence of sunlight, plants cannot perform photosynthesis and only perform cellular respiration, consuming oxygen and releasing carbon dioxide.