NEET AIPMT SOLVED PAPER SCREENING 2005

  • question_answer
                    Carbohydrates, the most abundant biomoiecules on earth, are produced by:                    

    A)                 all bacteria, fungi and algae                        

    B)                 fungi, algae and green plant cells

    C)                 some bacteria, algae and green plant cells

    D)                 viruses, fungi and bacteria

    Correct Answer: C

    Solution :

                    Some photosynthetic bacteria such as Rhodopseudomonas can prepare carbohydrates. But during this type of food synthesis \[{{O}_{2}}\] does not evolved because in this case hydrogen donor is other than \[{{H}_{2}}O\]. Algae (green and blue green) and all green plant cells prepare their food (carbohydrate) through photosynthesis.                 Here, hydrogen ions are donated by water molecules by the process of photolysis of water i.e., \[{{O}_{2}}\] is released during this type of food synthesis.


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