OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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I only
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II only
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I and II only
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I, II and III
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Detailed explanation-1: -Photosynthesis is an anabolic process of manufacturing of organic compounds. It is characterised by reduction of CO2 and oxidation of water. It decreases the concentration of CO2 in atmosphere but increases the concentration of O2.
Detailed explanation-2: -During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons.
Detailed explanation-3: -Plants make sugar by using energy from sunlight to transform carbon dioxide (CO2), a gas absorbed from the air, and water (H20) taken from the ground by roots into glucose (C6H12O6) and oxygen (O2). This process is called photosynthesis and occurs in the chloroplast of the plant cell.