Each candidate should be provided with the following"

Tape worm, labelled A.

Liver fluke, labelled B.

Brown ear tick, labelled C.

Hand lens.

Freshly collected poultry manure, labelled D.

Well prepared compost manure, labelled E.

Freshly collected cow dung, labelled F.

Spark plug, labelled J.

Crank shaft, labelled K.

Sprayer nozzle, labelled L.

Radiator fins on a radiator, labelled M.

Air filter, labelled N.

Smothering plane, labelled P₁.

Claw hammer, labelled P₂.

Sand paper, labelled P₃.

Ball pane hammer, labelled P₄.

Ripping saw, labelled P₅.

Tenon saw, labelled P₆.

A whole pineapple plant labelled R, with its parts labelled thus

Crown, labelled R_1.

Crown slip, labelled R₂

Slip, labelled R₃

Sucker (basal), labelled R₄

Fruit, labelled R₅.

Roots, labelled R₆

Pineapple meal bug (Dysimicoccus brevipes), labelled Y.

1. Specimen A, B and C are livestock parasites. Using a hand less, observe them and answer the following questions.

a) Classify the specimens according to their location on the animal.

b) Give one effect of each specimen on the animal it attacks.

A..........................................................

B...........................................................

C...........................................................

c) Using observable features, describe how each specimen is adapted to its parasitic life.

A.............................................................

B.............................................................

C..................................................................

d) Give one control method for each specimen

A..................................................................

B...................................................................

C..................................................................

2. Specimen D, E and F may be used as manure.

a) State the effect of applying each specimen on a crop.

D....................................................................

E.......................................................................

F.......................................................................

b) Which of the specimen may need improvement to ensure proper crop growth?

c) Suggest how the specimen named in (b) may be improved.

3. A

4. Specimen P₁ to P₆ are tools used in a carpentry work on a farm.

a) Identify the specimens.

P_{1.......................................................................................................................................}

P_{2....................................................................................................................................}

P_{3...................................................................................................................................}

P_{4..............................................................................................................................}

P_{5....................................................................................................................................}

P_{6......................................................................................................................................}

b) Describe how you would use each of the specimens P₁ to P ₆ to construct a nesting box. Give a reason for the choice of the specimens used at each stage of the construction.

c) Give two ways of preventing loss of tools on a farm.

5. You are provided with specimen R which is a crop plant.

a) Observe the specimen and name the parts labelled R₁, R₂, R₃, R₄, R₅ and R₆.

R_{1...........................................................................................................................}

R_{2..........................................................................................................................}

R_{3.........................................................................................................................}

R_{4..............................................................................................................................}

R_{5...................................................................................................................................}

R_{6........................................................................................................................................}

b) (i) Give a common use of parts R₁, R₂, R₃ and R₄ to a farmer.

(ii) Which part is the most efficient for the use stated in (b) (i)? Give a reason.

c) Specimen Y attacks specimen R.

(I) Identify specimen Y

(II) Give three possible locations on specimen R where specimen Y can be found.

d) What damage does specimen Y cause on specimen R?

e) Suggest two ways of controlling specimen Y.