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Photosynthesis in Higher Plants

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Define the term photosynthesis and give two of  its significance.

Photosynthesis is the process of manufacture of food from carbon dioxide and water in the presence of sunlight and chlorophyll by green plants.

Significance of photosynthesis :

1. It helps in the synthesis of food.

2. Consumption of carbon dioxide and release of oxygen.

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Where CO2 assimilation occurs in CPlants ?

In bundle sheath cells.
766 Views

What is stroma ?

Stroma is matrix or the cytoplasm of chloroplast where dark reaction of photosynthesis takes place.
783 Views

Why Rubisco is not affected by O2 in C4 plants ?

O2 is formed in mesophyll cells while Rubisco is present in bundle sheath cells. Therefore Rubisco does not come in contact with O2 and is thus not affected by it.
710 Views

Name the first stable compound formed in C3 cycle.

3-phosphoglyceric acid (PGA)
1606 Views

What are grana ?

Grana are the stacks of thylakoids embedded in the stroma of a chloroplast. They are the sites of light reaction of photosynthesis.
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