1. a) Study and identify specimen U1, U2, U3 and U4 displayed.
U1 ........................................................................................................................
U2 ........................................................................................................................
U3 .......................................................................................................................
U4 ........................................................................................................................
b) What effects do these specimens have on agricultural production?
(i) ....................................................................................................................
(ii) ...................................................................................................................
(iii) .......................................................................................................
(iv) ........................................................................................................
c) Give two effective methods you would recommend to control specimen U1 on the farm.
(i) .........................................................................................................
(ii) ........................................................................................................
2. a) (i)Observe specimens P and Q carefully and identify.
P .......................................................................................................................
Q ......................................................................................................................
(ii) What structural feature do specimens P and Q have in common?
(iii)For each specimen, name on crop it attacks.
P ......................................................................................................
Q .....................................................................................................
iv) For each specimen name a pesticide that can be used to control it.
b) (i) Observe specimen R and identify the disease which has attached it.
(ii) Give the name of the casual organism of this disease.
(iii) How is this disease controlled?
3. a) Specimens C, D, E, F, G and H are common tools used in feeling on the farm. Identify each and state its use in fencing operation.
|
specimen |
Identity | Use in fencing operation |
|
C
D
E
F
G
H
|
.............
............
............
............
............
.............
|
............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ............................................ ........................................... |
b) How is specimen H suitable to its functions?
4. Specimens I, J, K and L are parts of an internal combustion engine.
a) Identify the specimens.
I ................................................................................................................
J ................................................................................................................
K ...............................................................................................................
L ...............................................................................................................
b) (i) What fuel would an engine with these parts use?
(ii) Give a reason for your answer to (b)(i) above.
c) How would you care for L in order for it to function well?
5. a) Using a hand lens if necessary, observe and identify specimen M.
Identity ..............................................................................................................
b) In the space below draw a labelled diagram of specimen M.
c) What damage does specimen M cause to livestock?
d) Give three measure recommended to control specimen M.
6. a) Specimen W, X, Y and Z are pasture grasses and legumes, identify each of them
W ........................................................................................................................
X ..........................................................................................................................
Y ........................................................................................................................
Z .........................................................................................................................
b) State two reasons for sowing the above specimen as mixtures when establishing a pasture.
(i) ..................................................................................................................
(ii) ..................................................................................................................