KVPY Sample Paper KVPY Stream-SX Model Paper-6

  • question_answer
    The diagram shows the movement of substances into and out of a chloroplast.
    What do labels 1 to 4 represent?

    A) 1\[\to \]\[C{{O}_{2}}\], 2\[\to \]ATP, 3\[\to \]\[{{H}_{2}}O\], 4\[\to \]Starch

    B) 1\[\to \]\[C{{O}_{2}}\], 2\[\to \]\[{{H}_{2}}O\], 3\[\to \]Sugars, 4\[\to \]\[{{O}_{2}}\]

    C) 1\[\to \]\[{{H}_{2}}O\], 2\[\to \]\[{{O}_{2}}\], 3\[\to \]\[C{{O}_{2}}\], 4\[\to \]Sugars

    D) 1\[\to \]Sugars, 2\[\to \]\[{{H}_{2}}O\], 3\[\to \]ATP, 4\[\to \]\[{{O}_{2}}\]

    Correct Answer: C

    Solution :

    In the light dependent reactions, photolysis of water occurs to release electrons, hydrogen ions and oxygen. Oxygen is released as oxygen gas. In the light independent reactions, carbon dioxide is fixed, producing carbohydrates.


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