SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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carbon dioxide + water
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chemical reaction in which glucose and oxygen are turned into water, carbon dioxide, and energy (ATP)
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uses light energy to convert carbon dioxide into a carbohydrate.
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6CO2 + 6H2O
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Detailed explanation-1: -Photosynthesis is the process of synthesis of food by plants using carbon dioxide and water in presence of sunlight and chlorophyll. Oxygen (O2) is released during the process as a waste product. Hence, oxygen is not essential for the process of photosynthesis.
Detailed explanation-2: -The correct answer is ‘photosynthetic bacteria’.
Detailed explanation-3: -Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. These sugar molecules contain the energy that living things need to survive.
Detailed explanation-4: -Carbon dioxide (CO2) is a product of respiration and not photosynthesis. The CO2 released in the air is then absorbed or fixed by plants during photosynthesis. Hence this option is correct.