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      Question

      Given below are two statements Statement I:

      C3 weeds such as Avena fatua, Phalaris minor and Chenopodium album are generally more competitive than C4 weeds especially at higher temperature conditions. Statement II: In C4 weeds photosynthesis occurs via the Calvin - Benson Cycle and the first stable product is phosphoglyceric acid. In light of the above statements, choose the correct answer from the options given below
      A Both Statement I and Statement II are true Correct Answer Incorrect Answer
      B Both Statement I and Statement II are false Correct Answer Incorrect Answer
      C Statement I is true but Statement II is false Correct Answer Incorrect Answer
      D Statement I is false but Statement II is true Correct Answer Incorrect Answer

      Solution

      In C4 weeds, photosynthesis occurs via Hatch and Slack cycle and the first stable product is 4 carbon compound i.e. oxaloacetic acid

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