Question

HEYA MATE HERE IS UR QUEST❤❤❤❤❤❤ EXPLAIN MECHANISM OF PHOTOSYNTHESIS ???

Answer 1

Answer:

The process by which green plants make their own food in presence of sunlight, chlorophyll and water is known as photosynthesis. Chlorophyll is a green pigment responsible for performing photosynthesis because it has the ability to absorb sunlight and convert it into food.

There are three main steps of Mechanism of photosynthesis are :

1.conversion of light energy into chemical energy and spliting water molecules into hydrogen and oxygen.

2. reduction of carbon dioxide to carbohydrates.

3. Formation of ATP and NADPH₂ .

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Answer 2

$\textbf{Photosynthesis}$:

6CO2 + 12H2O --chlorophyll,sunlight--> C6H1206 + 6O2 + 6H2O

It is the process by which green plants and some other organisms uses sunlight to synthesise nutrients from carbon dioxide and water. The main products forms here is glucose and by products are carbon dioxide and oxygen and water where which chlorophylls are the sites of photosynthesis.

Events occurring during Photosynthesis are as follows :

1. Absorption of light energy by chlorophyll.

2. Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.

3. Reduction of carbon dioxide to carbohydrates.

Stages of Photosynthesis are as follows :

1. $\textbf{Light Reaction }$:

It occurs in the Grana where photon are absorbed so as to excite electrons of chlorophyll to a higher energy level. These activated electrons are harnessed to form ATP from ADP and reduce NADP to NADPH. Water is also splitted during this and oxygen is released.

2. $\textbf{Dark Reactions }$:

Calvin cycle occurring in chlorophyll here carbon dioxide combined with 5-carbon sugar call ribulose biphosphate. This unstable compound breaks down into three carbon compounds (phosphoglyeric acid) this then forms glucose.