i. List the sequence of events that occur during the process of photosynthesis.

ii. List the three kinds of blood vessels of human circulatory system and write their functions in tabular form.

(i) The sequence of events that occur during the process of photosynthesis are:


(a) Adsorption of light energy by the chlorophyll pigment.


(b) Conversion of light energy into chemical energy.


(c) Splitting of water molecules into hydrogen and oxygen.


(d) Formation of carbohydrates from CO2 gas.


(ii) There are three types of blood vessels


• Arteries


• Veins


• Capillaries



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