6028q03

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Candidate Name Centre Number Candidate Number

SN
pesca
> Sams

‘on Perfarmsce Hens

ZIMBABWE SCHOOL EXAMINATIONS COUNCIL

General Certificate of Education Advanced Level

ANIMAL SCIENCE 6028/3

PAPER 3 Practical Test

SPECIMEN PAPER 2 hours 30 minutes

Additional materials:
Answer paper,
Graph paper,
As listed in Instructions to Supervisors,
Scientific Calculator.

TIME 2 hours 30 minutes + 10 minutes preparation time.

INSTRUCTIONS TO CANDIDATES
Write your name, centre number and candidate number in the spaces at the top of this page and on
every page of your answer paper.

This paper consists of three questions. Answer all questions. Marks are given in brackets [ ] at the
end of each question.

Y ou are advised to spend the first 10 minutes carefully reading through the whole paper before
answering any questions. Spend at least 40 minutes on each question. All writing must be in blue or
black ink except for diagrams which must be drawn in pencil.

Y ou are reminded of the need for good English and clear presentation in your answers.

FOR EXAMINER’S USE

This question paper consists of 5 printed pages and 3 blank pages.
Copyright: Zimbabwe School Examinations Council, Specimen paper.

©ZIMSEC Specimen paper [Turn over

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1 Y ou are provided with a slide AS1. Use a bio viewer to observe the illustration on AS1. (a) Name the specimen being viewed on AS1. [1]

(b) Identify and describe one function of each of the labelled

components in AS1.

Component Function

Vv 2
WwW 2
xX 2
Y 2
Z 2

(©) Describe the activities that may take place in specimen AS1.

@ Relate the different parts of specimen AS1 to their function.

Part of Specimen AS1

Function

@

Gi)

(iii)

(iv)

v)

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2

Y ou are required to carry out food test on AS2, AS3 and AS4 using reagents R1,
R2, R3 and R4 respectively. Identify the types of food elements using the reagents.

(a)

(b)

©

(d)

Record results in the table below:

Sample Method Observation Class of Food

AS2

AS3

AS4

Explain the importance of carrying out the food tests.

Explain the importance of mixing foods rich in carbohydrates and proteins
before feeding livestock.

Suppose one of the food samples is a carbohydrate rich food with

10% CP and the other one is protein rich with a 35% CP. Using the

Pearson Square method, calculate, the mixing ratio to produce a feed

with 20% CP. [3]

6028/3 Specimen paper
[Turn over

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i) Explain the disadvantages of feeding a solely carbohydrate rich feed to livestock.

[2]

Y ou are presented with the following materials which constitute the bulk of
ruminant livestock feeds.

(a) @ Identify the materials labelled AS5 — AS10 by their common names:

AS5

AS6

AS7

AS8

AS9

AS10 [6]

(b) = Asananimal nutritionist suggest three broad classes of these plants.

() Why are these plants recommended to ruminant animals?

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(d)

Gi)

@ Discuss the digestion process of feeds AS5 to AS10.

Discuss the problems associated with feeding ruminant animals with AS5
and AS6 only.

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