middterm

State what factors cause main effects on pollution of inland water.

1. Answer ANY FOUR questions. (16 marks)
   (a) Differentiate endospermic and non-endospermic seeds.
   (b) Name the parts of the intestine and state the nature of the part increases the absorptive surface of the
   intestine as found in the rabbit.
   (c) State how the process of photosynthesis takes place in green plants.
   (OR)
   Explain the process of alcohol fermentation supports by a relevant equation.
   (d) List the benefits of transpiration and explain the one that is associates with the transpiration streams.
   (OR)
   State the role of ethylene as found in plants.
   (e) State the nature of the umbilical cord associated with the human’s embryo.
   (OR)
   Tabulate to show how mitosis differs from meiosis.
   (OR)
   With example explain what you understand parasitism.
2. Answer ANY FOUR questions. (32 marks)
   (a)

           Provide labels and caption to the given diagram and mentioning what occur after fertilization. (Do not 
   copy the diagram in your answer book. Write the label against the number indicated in the lines pointing 
   towards respective areas of the diag