2012_Agr_olevel_nov_paper2

Extracted Content: 2012_Agr_olevel_nov_paper2

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MATHS GUARDIOLA +447852954215
Candidate Name

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“ap NumOe
Centre Number Candidate N

ZIMBABWE SCHOOL EXAMINATIONS COUNCIL

Education Ordinary Level

General Certificate of

AGRICULTURE 5034/2°
PAPER 2

NOVEMBER 2012 SESSION 2 hours

Additional materials: *
Answer paper

TIME 2 hours

INSTRUCTIONS TO CANDIDATES
Write your n: :

ame, Centre number
this page and onal] Separate ans
Section A

Answer all questions, :
ee you answers in the spaces provided on the question paper. |FOR EXAMINER’S USE
ection if

Answer two questions from any one of Options 1, 2, 3 or 4. Section A
Write your answers on the Separate answer paper provided.

At the end of the examination, fasten the separate answer _
\ ‘| paper securely to the question paper.

and candidate number:in the spaces provided at the top of
‘Wer paper used. ; 7 =

Section B

"INFORMATION FOR CANDIDATES
The number of marks is given in brackets [ ] at the
end of each question or part question.

You are advised to spend no longer than 80 minutes
on Section A.

This question paper consists of 13 printed pages and 3 blank pages.

Copyright: Zimbabwe School Examinations Council, N2012. :
OZIMSEC N2012 (Turn over

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2 Section A [70 marks] Answer alll questions in this section.

Candi ‘ .
andidates are advised to spend approximately 80 minutes on this section.

x
, (a) Fill in the table any two types of indigenous hardwoods and any fw0 ¢

softwoods grown in Zimbabwe.

Indigenous hardwoods

(b) Outline any four advantages of practising agroforestry.

ji) —

otic

[4]

(ii)

(iii)

(iv)

[4]
, (©) Suggest any two solutions to deforestation.
@ i
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(ii) [2]

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3 (a) Explai itis | plain why it is import : . For using chemicals, portant for a farmer to read instructions when frxaminet’s Use 3] (b) Name any one plant viral disease spread by an insect. (1 (c) Explain the difference between contact and systemic pesticides. [2] (d) Although weeds are harmful to crop plants, they do have some beneficial effects. List any four ways in which they are beneficial. (i) (ii) (iii) (iv) [4] 5034/2 N2012 : [Turn over

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4 (a . : For ) 1) State the word equation for aerobic respiration. Pranine’y Be [1] (i) Explain the importance of respiration in plant growth. [3] (b) Briefly describe how a leaf Structure is adapted to transpiration. é [3] (c) — Complete the table below, an example is given for you. | Food storage organ seed (3)

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* ‘ 5 i i 4 (a) Explain the major function of the following parts of the digestive system Bxamini mt of a non-ruminant animal, vee d (i) Oesophagus | [1] (ii) Pancreas | (1) | (iti) = Caecum 1 [1] a (b) Explain the environmental factors that affect the functions of genes of an animal. | |

(c) Briefly describe the steps taken when slaughtering a rabbit or an
off-layer for marketing. I

it

[3] |

[4]

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male ruminant For mil

tive system of af
Ute

6
w shows the reproduc

(a) The diagram belo
animal.

A
B

if

(i) Name the parts labelled

A ae
[2]

B
(ii) In which part of the reproductive system does fertilisation
take place?
(]
(b) Explain the difference between mitosis and meiosis.
[2]

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ilu si di i For strate, using a diagram, how a three-way plant hybrid is produced. i Use

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[3]

State any two advantages of open pollinated varieties.

(d)
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[2]
(a) A farmer intends to start a goat rearitig project and has to construct a
paddock/measuring 100m by 50m. ©
How many 50kg bundles of mesh wire does the farmer need if

@
each bundle covers 25m?

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(ii) paddock?

8 .
What other fencing materials, would the farmer require for the Tale
‘

[3]
(b) The diagram shows a standard double neck yoke for harnessing oxen
during ploughing. &
, ee
(i) Name the parts labelled (A, B and C
ie
A
B
Cc
[3]

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(ii) What is the standard length (X) of a double neck yoke?

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[1]

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(a)

(b)

9
Marketin;
Explain

@

§ assists a farmer to present goods to the consumer.
any three marketing functions.

(ii)

(iii)

The schedule below shows the layout of the farmer’s diary for the
month of September 2005.

For
Use

—/\j4

ACTIVITY

Bought 10 bags of maize seed at $500each.

Paid $400 for farm rates.

| J"

Bought chemical for dipping for $400. \
18.09.05 | Hired a tractor to plough for $500. \
20.09.05 Paid $400 insurance for the farm. \
24.09.05 | Purchased 2 sows for breeding for $500. \
28.09.05 Hired equipment for fencing for $200. \
@ Calculate the farmer’s tétal variable costs for September 2005.
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10 For |Bxaminer’s ed . Use (ii) State the importance of the information In b@. ee ee ee ‘ (2) 2 { i i, 7 A d é J . ;

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10

11

Section B

‘ 3o0r4.
Answer any two questions only from any one of Options 1, 2,

OPTION I: CROP HUSBANDRY

(a) Describe adjustments that can be done on 4 cultivator when (7
weeding.
(b) _ Discuss the advantages and disadvantages of using an ox-drawn (8)
cultivator to control weeds in arable lands.
(a) Describe the necessary steps that a farmer can take to ensure that a in
fine seedbed is prepared.
; 8
(b) Describe the harvesting and marketing of a named legume crop. :
With reference to a named cash crop, describe it under the following
headings:
(a) __ soil and climatic requirements, 8]
(7)

(b) __ fertilizer management.

OPTION 2: LIVESTOCK HUSBANDRY

(a) For either foot and mouth or swine fever, discuss the disease under

the following headings:

@ cause,

(ii) symptoms,

(iii) prevention and control.

(b) Explain the le islation related to notifiable di

(a) Describe the symptoms of attack by a two-host tick for a named
ruminant.

(b) Name two dipping types and explain the advantages and
disadvantages of each type.

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12

13 (@) Describe the housing system for the young of a named aid
animal. [

(b) Discuss the nutrient requirements for the young of a named aa

animal. i

OPTION 3: DECORATIVE HORTIC ULTURE

14 (a) Explain, giving reasons, how

(i) the initial fertilizer application is carried out before Plane
lawns.
[8]

(ii) top dressing an established lawn is done.

15 Describe the establishment of a named hedge or shrubs under the following

headings:
@ preparation of the planting hole, (8]
(ii) _ planting the hedge or shrub, [4]
(ii) maintenance of the hedge or shrub. [3]
16 (a) For anamed bedding flower, describe its management up to
marketing stage. [10]
(b) — Explain how you would prepare flower cuttings for marketing. [5]
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OPTION 4: IN 4: WILDLIFE MANAGEMENT

(a) @_~—- What are problem animals? a3)
ci) Discuss ways of managing problem animals. {5}
(b) Explain how a quota is set. 191
(2) Explain pow ca of he lowing ingrtatn W
(i) animal numbers, 4) «
(ii) species diversity, (4)
(iii) trophy quality. 14)
(b) Explain the importance of a worker bee ina colony. BI
{5}

(a) Explain, giving reasons, why it is necessary to monitor a habitat.
(b) _ Discuss the environmental factors threatening wildlife in Zimbabwe. {1 a
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