Microsoft word - agricultural sciences p1 feb-march 2011 memo eng.doc
NATIONAL
SENIOR CERTIFICATE
AGRICULTURAL SCIENCES P1
FEBRUARY/MARCH 2011
MEMORANDUM
MARKS: 150
This memorandum consists of 9 pages.
SECTION A
QUESTION 1.1
QUESTION 1.3
1.3.1 Proventriculus/glandular stomach
√√
X√√ D
X√√ C D 1.3.3
X√√ C D
production unit
√√
X√√ B C D
1.3.4 Quarantine station
√√
X√√ B C D 1.3.5 Testes
√√
X√√ D
QUESTION 1.2
QUESTION 1.4
1.4.2 Shed/shelter/enclosure/housing/tree
TOTAL SECTION A: 45
SECTION B
QUESTION 2
2.1
The passage/movement of food in the alimentary canal
Name of the specific food mixed with saliva
The process of moving down the food in the alimentary canal
• Peristalsis
√
Name of the enzyme found in the food/bolus.
The chemical change created by ptyalin/salivary amylase
Breaks down/converts/changes starch/polysaccharides
√ into
maltose
√
Diagrams of digestive systems of farm animals
A: Rumen
√
B: Omasum
√
C: Abomasum
√
Diagram 2
√ and
Small structures/compartments
√
Undeveloped structures/compartments/rumen not developed
√
Roughage/hay
√
Water
√
The young ruminant stomachs/rumen/reticulo-rumen are not yet
developed
√ and do not have the ability to digest cellulose
√
Milk is a liquid and water intake will influence the quantities of milk
intake/animal should not be thirsty or too full with water or
oversupplied with water
√
Urea as a NPN source
In the season when the pastures are dry/winter in summer rainfall
area/summer in winter-rainfall area/during droughts
√
The plants are pale and not green – no chlorophyll or other
components that are rich in protein
√
Nitrogen
√
Supplied to supplement feed components/vitamins/proteins/
minerals/carbohydrates
√
that are not sufficiently available to the animal
√
To improve the growth of the animal
√
To improve the production of the animal
√ (Any 2)
Urea should be hydrolysed
√
Lucerne pasture
− %
DP √
= 1:4,8
√
Not suitable
√ and
The ratio is below 1 : 6
√
Lucerne is a good protein source/rich in proteins
√
It is more expensive than other sources of carbohydrates which
can rather be used for fattening purposes
√ (Any 2)
The digestibility of younger plants are higher/at this stage the plant
has a high digestibility
√
The plants has plenty of green nutritious leaves/has a higher
protein value at this stage
√
The plants are still succulent/herbaceous
√ (Any 1)
Ratio in which feeds are mixed
Maize meal 9% 13 parts
√
Peanut-oilcake meal 38% 16 parts
√ Ratio: 13 :16
√ or
13 parts maize meal mixed with 16 parts peanut-oilcake meal
√ (4)
Feed Components
Feed A
√
It has the highest protein content for growth
√
Sodium/Na
√
QUESTION 3 3.1
Structures for animal control
A/D/E
√
(a) Resistant to heat and drought/hardy animal Dark skin/
pigmentation/adapted to local harsh conditions
√
Very good walkers/strong legs
√
(c) Very resistant to pests and parasites
√
• High milk production /produce healthy and heavy weaners
√
• Strong maternal instincts
√ (Any 2)
The heat energy that was supposed to be used to keep them
warm
√
will now be used to maximize production
√
by the provision of shelter animals are kept cooler/more protected
from the heat
√
and will produce at higher levels
√
Graph of temperature requirement for broiler chickens
At a very young age the temperature requirements is high (35 °C)
and gradually becomes less up to 4 weeks of age
√
It then stays constant at 20 °C
√
Temperature requirements of broiler chicken
√
Age in weeks
√
Abnormal behaviours of livestock
hurts the animals or another
√
• Abnormal reproductive behaviours
√
Goat handling facility
Yes an intensive unit
√ and
Capital intensive
√
Kept in high density/restricted area
√
Special feeding facilities/specially formulated feeds
√
Animals controlled and carefully supervised
√
There is a control of environmental factors
√ (Any 2)
(c) C/E
√
Animal manure is placed in a pit/compost heap/dumping site/landfill
Animals in transit
Do not combine young and old animals together
√
The floor of the truck must not be slippery
√
Obtain a movement permit/other relevant documents
√
Strong structures/enclosure
√ (Any 3)
Meat is bruised/bloody
√
Delayed rigor mortis
√
Poor colour/pale meat
√
Meat gets tough
√ (Any 2)
QUESTION 4
4.1
The process of spermatogenesis
The primary male sex cells develop in the tubules of the testis
√
form spermatozoa
√
Testis
√
Spermatocytogenesis
√
The halving of the number of chromosomes in the reproductive
cells
√
To transport the genetic information to the reproductive cells
(outflanking)
√
Hypoplasia
√
Cryptorchidism
√
Sperm defects
√ (Any 2)
Hormone levels of farm animals
A – FSH
√
C – progesterone
√
Symptoms of oestrus
√
Ovulation/rupturing of the follicle/release of ovum
√
The corpus luteum secrete the hormone progesterone
√
Flushing of fertilised eggs/embryos from the female uterus/embryo
transplantation
√
flushing medium is used to move the embryos in the
uterus
√
The flushing medium is firstly injected into the uterus through the
reproduction canal
√ and
Then the flushing medium is forced out of the animal to catch the
embryos
√
The liquid medium protects the embryos while it is moved
√ (Any 3)
A large number of offspring from a single superior animal
√
Surrogate/recipient cows now reproduce valuable offspring
√
Indigenous knowledge of controlling animal diseases and pests
Acaricides/contact poison
√
Systemic formulation/drugs
√
Ricin/organic extracts
√
• Ricin is easily obtainable from the castor-bean plant
√
cheap
√
• The extraction process of ricin is not complicated
√
• No threat of environmental pollution
√
• They are not highly poisonous to the human beings/farm
workers
√ (Any 2)
The name of the pest that is associated with mange:
• Mites/ascaris
√
Poor penetration
√ into the fur and skin
√
Label of Lintex medication
Act 36 of 1947
√
Dry places
√ (Any 1)
50% effective in more than 50% of the treated animals
√
= 1 200 mℓ/1,2 litre
√
= 150 mℓ
√
Total: 1 200 mℓ + 150 mℓ = 1 350 mℓ
√
Rotational grazing
√
Avoid wet places
√
Avoid keeping animals in pens
√
Use biological/indigenous methods of control
√ (Any 2)
TOTAL SECTION B: 105
GRAND TOTAL:
Source: http://www.besteducation.co.za/home/wp-content/uploads/2013/01/Agricultural-Sciences-P1-Feb-March-2011-Memo-Eng.pdf
Bulletin d'information du CLIC de Caen et couronne ACTION SOCIALE . 2 DROIT ET JUSTICE. 3 PROTECTION SOCIALE ET PREVOYANCE . 4 SANTE . 5 VIE SOCIALE. 7 LIEU DE VIE ET D'ACCUEIL. 8 SOUTIEN A DOMICILE . 10 ECONOMIE . 11 POPULATION ET SOCIETE . 11 Retrouvez le CLIC INFO, les listes thématiques d'information du CLIC de Caen et couronne sur notre Mylène VALLEE, Documentaliste – mvallee@ville-ca
SCHEDA TECNICA ED INFORMAZIONI SULLA SICUREZZA 1 IDENTIFICAZIONE DEL PREPARATO E DELLA SOCIETA’ 1.1 DENOMINAZIONE COMMERCIALE 1.2 IDENTIFICAZIONE DELLA SOCIETA’ CIFO S.p.A. – Via Oradour, 6 – S.Giorgio di Piano BO – Tel. 051/6655511 – Fax 051/6650453 2 COMPOSIZIONE Warfarin 3 IDENTIFICAZIONE DEI PERICOLI Avvelenamento grave per ingestione. Informazi