(a) List the three events that occur during the process of photosynthesis.
Explain the role of stomata in this process.
(b) Describe an experiment to show that “sunlight is essential for photosynthesis.”
Answers
The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor. ... Water vapor is also an important greenhouse gas.
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Answer:
Step-by-step explanation:
The three events that occur during the process of photosynthesis are:
(i) Absorption of light energy by chlorophyll.
(ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.
(iii) Reduction of carbon dioxide to carbohydrates.
Role of stomata These help in the gaseous exchange between the plant and its atmosphere. Thus, it assist in supply of carbon dioxide, essential for photosynthesis.
Aim:To prove sun light is necessary for photosunthesis
Materials Required:Desgin cut paper,Iodine solution Detached plant
Procedure:
Take a detached leaf and take a black paper of desgin cut add iodine solution to it keep it in sun light after 1 or 2 hours remove that paper you can observe that the part which is covered with paper does not change The part which is exposed to sun light becomes bluish black . Hence we can say that sun light is necessary for photosynthesis.