NEET BIOLOGY

Detailed explanation-1: -Used by the majority of plants, it involves producing a three-carbon compound called 3-phosphoglyceric acid during the Calvin Cycle, which goes on to become a sugar called glucose.

Detailed explanation-2: -During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls.

Detailed explanation-3: -Using the previously stored chemical energy, the chloroplasts convert carbon dioxide into glucose [1]. Fructose is also produced during this step. Glucose is then combined with fructose to create sucrose. Figure 1-A simplified illustration of photosynthesis.

Detailed explanation-4: -The energy from light causes a chemical reaction that breaks down the molecules of carbon dioxide and water and reorganizes them to make the sugar (glucose) and oxygen gas. After the sugar is produced, it is then broken down by the mitochondria into energy that can be used for growth and repair.

Detailed explanation-5: -It can be converted into chemicals required for growth of plant cells such as cellulose. It can be converted into starch, a storage molecule, that can be converted back to glucose when the plant requires it. It can be broken down during the process of respiration, releasing energy stored in the glucose molecules.