Time: 2:30 Hours Monday, 20th July 2020 a.m
Instructions
- This paper consists of two (2) questions. Answer all questions.
- Each question carries 25 marks
Questions
- You are provided with specimen “J”
- How will you prepare a solution of specimen “J” for food test investigation.
- Using the chemical reagents provided, carry out experiments to identify the food substance(s) present in specimen “J”
- How will you prepare a solution of specimen “J” for food test investigation.
Record your experimental work as shown in table 1.
Table 1.
Food tested | Procedure | Observation | Inference |
(c) State two properties of food substance(s) identified in specimen “J”
- Name three other sources which contains the same food substances as that identified in specimen “J”
- Where do food substance identified in specimen “J” can be digested in human alimentary canal?
- Give the important of food substance identified in specimen “J” in human body.
- You have been provided with specimen K, L and M
- (i) Identify specimens K, L and M by their common names.
(ii) To which Kingdom(s) do specimens K, L and M belong?
- (i) Give the division and class in which specimens K and L belongs.
(ii) State two observable features to why specimen K and L is placed in same
class.
(c) (i) Identify the habitual of specimen M
(ii) State any two economic important of specimen M
(d) (i) Draw and label specimen K
(ii) State the function (roles) of specimen K to the living thing obtained from.
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