- Below is a photograph of a dissected mammal. Examine the photograph.
- Name the parts labeled A, B, C, D and G. (5 marks)
A …………………………………………………
B ………………………………………………….
C ………………………………………………….
D ………………………………………………….
G ………………………………………………… - State the functions of the structures labeled E and F.
E ………………………………………………. (1 mark)
F ……………………………………………….. (1 mark) - In the photograph label the structure where vitamin K is produced. (1 mark)
- Name the sex of the animal in the photograph. (1 mark)
- Give a reason for your answer in (d) (i) above. (1 mark)
- The actual length of the dissecting scissors in the photograph is 15 cm. Calculate the magnification of the photograph. (2 marks)
- Calculate the actual length of the mammal from the tip of the nose to point X on the tail. (2 marks)
- Name the parts labeled A, B, C, D and G. (5 marks)
- You are provided with the substances labeled S, T, U, X and Y. S, T and U are food substances, while X is 10% sodium hydroxide solution and Y is 1% copper sulphate solution. Carry out tests to determine the food substances(s) in S, T and U. (9 marks)
- Below are photographs of specimens obtained from plants. Examine the photographs.
- In the table below name the mode of dispersal and the features that adapt the specimen(s) to that mode of dispersal. (12 marks)
- label any two arts on specimen L. (2 marks)
- State the type of placentation in specimen L. (1 mark)
- Name the structure labeled W on specimen P. (1 mark)
- In the table below name the mode of dispersal and the features that adapt the specimen(s) to that mode of dispersal. (12 marks)
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