PAPER 2
PRACTICAL
1. a) (i) Identify specimen Q provided.
(ii) State the use of the specimen.
(iii) Describe how the specimen is operated.
(iv) Give two advantages of using the specimen.
b) (i) Identify specimen R.
(ii) What is the use of the specimen?
(iii) Name two other items that are normally used in association with the specimen.
2. a) Identify specimen X and Y.
X ...................................................................................................................
Y ...................................................................................................................
b) (i) State where each specimen is used in a machine.
X ...................................................................................................................
Y ...................................................................................................................
(ii) What characteristics make X and Y suitable for use in the machine parts identified in (b) (i) above?
(c) Give two functions common to both X and Y in a machine.
(d) Give three other functions performed by X.
3. Specimen S, T and U are common fertilizers used in crop growing.
a) (i) Identify them.
S ......................................................................................................................
T ....................................................................................................................
U ....................................................................................................................
(ii) Give one method of application of each of these fertilizers.
S .....................................................................................................................
T .....................................................................................................................
U ....................................................................................................................
b) (i) What major plant nutrients do these fertilizers supply?
S .....................................................................................................................
T .....................................................................................................................
U ....................................................................................................................
(ii) At what stage of growth of maize crop are these fertilizers applied?
S .....................................................................................................................
T .....................................................................................................................
U ....................................................................................................................
4. a) Carefully observe specimen V and identify.
Identity .................................................................................................................
(b) Make a labelled drawing of the head portion of the specimen.
c) State the reasons for economic importance of specimen V.
d) State the reasons for the economic importance of specimen V.
5. Observe specimens I, J, K, L, M and N and fill in the table below.
| Specimen | Identity | Use of the specimen on the farm |
| I | ||
| J | ||
| K | ||
| L | ||
| M | ||
| N |
6. You are provided with a Petri dish containing some germinated bean seeds.
a) Count the number of seeds which have germinated and those which have not germinated.
Number of seeds germinated ...........................................................................
Number of seeds that have not germinated .....................................................
b) Calculate the percentage of the total number of the seeds that have germinated.
c) Using your answers in (a) and (b) above, comment on the suitability of the seeds provided for planting.