- What is photosynthesis?
- List:
(i) four external factors;
(ii) two internal factors; that affect the rate of photosynthesis. [6 marks]
- (i) List the major products of the light dependent stage of photosynthesis. [3 marks]
(ii) State the importance of each of the products listed in 2(c) (i) above. [3 marks]
- (i)Explain why there are no green plants at the lower depths of some lakes [2 marks]
(ii) State why decomposers are important to flowering plants. [3 marks]