Form 4 Biology Study Notes

ITILIMA DISTRICT COUNCIL FORM FOUR MOCK EXAMINATION 033/2 BIOLOGY 2A (ACTUAL PRACTICAL)

Time: 2:30 Hours Monday, 20th July 2020 a.m

Instructions

  1. This paper consists of two (2) questions. Answer all questions.
  2. Each question carries 25 marks

 

 

 

Questions

  1. You are provided with specimen “J
    1. How will you prepare a solution of specimen “J” for food test investigation.
    2. Using the chemical reagents provided, carry out experiments to identify the food substance(s) present in specimen “J

Record your experimental work as shown in table 1.


Tangazo



Table 1.

Food tested

Procedure

Observation

Inference

       

 

(c) State two properties of food substance(s) identified in specimen “J

  1. Name three other sources which contains the same food substances as that identified in specimen “J
  2. Where do food substance identified in specimen “J” can be digested in human alimentary canal?
  3. Give the important of food substance identified in specimen “J” in human body.
  1. You have been provided with specimen K, L and M
    1. (i) Identify specimens K, L and M by their common names.

      (ii) To which Kingdom(s) do specimens K, L and M belong?

    2. (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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