Photosynthesis project

In the non-cyclic reaction, the photons are captured in the light-harvesting antenna complexes of photosystem II by chlorophyll and other accessory pigments see diagram at right.

project on photosynthesis for class 7

They are present in variable concentrations in nearly all higher plants and many microorganisms such as — red and green algae, photosynthetic bacteria and fungi. As all these external factors act simultaneously on the photosynthetic process, the factor which is in the relative minimum will act as the limiting factor, i.

In your role as a facilitator, you should feel free to share this project with them, but not to do the project for them.

project on photosynthesis for class 10

Science Fair Project 4. They are red, orange, yellow and brownish pigments. Sixteen thousand species of plants use CAM. A number of other substances are also produced as the by-products, for example, the oxygen needed by animals and human being continues to be supplied by photosynthesis.

These accessory pigments act as antenna complexes and procure light from different regions of the spectrum than the chlorophyll. Water molecule splits in presence of light.

Photosynthesis reaction

CAM plants store the CO 2 mostly in the form of malic acid via carboxylation of phosphoenolpyruvate to oxaloacetate, which is then reduced to malate. When there is a low light intensity, A—B is slower than B—C will not affect the overall production of C. These membranes are paired, forming stacks of discs. In the non-cyclic reaction, the photons are captured in the light-harvesting antenna complexes of photosystem II by chlorophyll and other accessory pigments see diagram at right. Flashing Light Experiments: Warburg compared the rate of photosynthesis of a plant kept in continuous light for a certain time with the rate for the plant when supplied with alternate light and dark periods but receiving the same total amount of light. There are at least eight types of chlorophyll pigments. Here are some books for science fair projects specifically or just for conducting science projects in general. The reduction of CO2 here leads to the production of sulphur and not 1 part of sulphur and 2 parts of oxygen or of SO2, which really proves that O2 in photosynthesis of green plants comes from H2O and not from CO2. Put the contents of the syringe into a plastic cup.

Carbon dioxide absorbed from air is replaced—by the respiration of plants and animals, decomposition of organic matters, etc. Related Articles:.

photosynthesis project file

These bubbles are oxygen produced by photosynthesis! Some plants have evolved mechanisms to increase the CO 2 concentration in the leaves under these conditions.

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