2011 WAEC Agricultural Science Practical (a)(i) Mention the field operation that could be performed Using specimens G, H, I and...

(a)(i) Mention the field operation that could be performed Using specimens G, H, I and J

(ii) Name three other pieces of equipment that may be added to specimens G, H, l, and J to perform the operation you have mentioned in (a)(i).

(iii) State one precaution that should be taken when using specimen J.

(b). State two uses of each specimen K and L.

Specimen K; Specimen L;

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(ii) State two structural differences between specimens K and L.

(iii) Mention two problems that could result from leaving specimen L on the field after use.

(a) (i) Field operation that could be performed using specimens G, H, I and J; Farm surveying

(ii) Other equipment that may be added to specimens GH, l and J to perform the operation, mentioned in (a)(i)

(iii) Precaution that should be taken when using specimen J (Garden line)

Do not drag /rub against rough surfaces/edges
Do not pull too hard when taking measurements to avoid damage/snapping
Properly tie to the pole to avoid accidental release when in use and to ensure accurate readings
Must be straight and horizontal for accurate measurements

(b)(i) Uses of specimens K and L.

Uses of specimen K(Hand trowel) -

Uses of specimen L (Mattock) -

(ii) Structural differences between specimen K and L

Specimen K (Hand trowel) has a boat-shaped blade whereas, Specimen L (Máttock) has a thick block of iron blade
Specimen K (Hand trowel) has a short wooden cylindrical handle whereas; specimen L(Mattock) has a long cylindrical wooden handle
Specimen K (Hand trowel) total length is about 30cm whereas; specimen L total length is about 100cm.
Specimen K( Hand trowel) blade is pointed only at one end whereas, specimen L (Mattock) one end of the blade is long, blocky and. pointed, and the other broad, flat and sharp at the other end which is also metallic.

(iii) Problems that could result from leaving specimen L(Mattock) on the field after use