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Question

Consider the following statements regarding the ways in which carbon dioxide is “fixed” and choose the correct option.

1. Green plants convert carbon dioxide into glucose in the presence of sunlight.

2. Marine animals use carbonates dissolved in sea water to make their shells.


A

Only Statement 1 is correct

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B

Only Statement 2 is correct

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C

Both 1 and 2 are correct

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D

Neither 1 nor 2 is correct

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Solution

The correct option is C

Both 1 and 2 are correct


Carbon fixation takes place in both the cases. Plants take in carbon dioxide during the process of photosynthesis. Sea shells are exoskeletons of snails, oysters and other marine organisms. These shells are mostly composed of calcium carbonate.


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