Agricultural Sciences Paper 1 (English)

November 2025 — Grade 12 / Matric — Agricultural Sciences

Past Paper 2025 Grade 12 English Agricultural Sciences Hub →

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🎯 150 marks 📄 17 pages 📝 105 items found 📚 2 topics

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1.1Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A D\ next to the question numbers (1.1.1 to 1.1.10\ in the ANSWER BOOK, e.g. 1.1.11 B.

1.1.1

1.1.2The stomach compartments in ruminant animals that are responsible for microbial digestion Rumen and omasum Rumen and reticulum Rumen and abomasum Reticulum and omasum

1.1.3The following is the ratio which two feeds should be mixed aize meal 8% Fish meal 32%

1.1.4A new born ruminant differs from a mature ruminant because (i\ (ii\ (iii\ (iv\ he forestomach is underdeveloped nly the

1.1.5The following is NOT normal behaviour for a large ruminant Refuses to go towards the edge of river Is comfortable when separated from others in a herd Shows stress by circling, droopy ears

1.1.6ONE of the following is NOT basic guideline for transporting farm animals The floor of the truck must not be slippery Allow animals to cross a road when it is not busy

1.1.7Diseases that are long lasting and occur repeatedly in the same animal Chronic Acute Pre acute Zoonotic

1.1.8The following are preventative measures for internal parasites: (i\ (ii\ (iii\ (iv\ Remove manure from the

1.1.9A part that is located between the body of the uterus and the vagina Vulva Ampulla Tunica serosa ervi

1.1.10

1.2ndicate whether each of the descriptions in COLUMN B applies to A ONLY B ONLY BOTH A AND B or NONE of the items in COLUMN A. Write

1.2.1Vitamin B The deficiency causes the deformation and ulceration of the cornea of an eye leading to blindness Vitamin B

1.2.2Grinding Improves the digestibility of grain feeds asting

1.2.3Infra red light Equipment used to provide warmth for piglets ermometer

1.2.4Bright eyes A sign of poor health in animals Alert and lively

1.2.5Allantois Contains the fluid that protects the foetus from injuries Amnion (5 x 2\ (10\

1.3Give ONE word/term for each of the following descriptions. Write only the word/term next to the question numbers (1.3.1 to 1.3.5\ in the ANSWER BOOK.

1.3.2A protein that contain all essential and non essential amino acids at required levels A system where egg layers are kept in small wire cages for their entire production period

1.3.4Defects that new born animals inherit from their parents The release of milk from the udder through the action of oxytocin

1.3.5The stage of parturition when the cervix, vagina and vulva dilate causing the foetus to move into the birth canal (5 x 2\ (10\

1.4Change the UNDERLINED WORD(S\ in each of the following statements to make them TRUE. Write only the answer next to the question numbers (1.4.1 to 1.4.5\ in the ANSWER BOOK.

1.4.1Sucrase digests cellulose and hemicellulose into acetic, butyric and propionic acids.

1.4.2Salt is a source of non protein nitrogen that becomes poisonous to animals when consumed in large quantities.

1.4.3The accumulation of fluids in and around the brain which enlarges the skull leading to difficult birth is hydro foetus

1.4.4The stage of mating in bulls that occurs after ejaculation is copulation

1.4.5The Graafian follicle is a structure that develops in the ovary after ovulation. (5 x 1\ (5\ TOTAL N A:

Q2— Section header —

2.1The flow chart below illustrates the intake, digestion and flow of feed through the alimentary canal of a farm animal.

2.1.3Name the farm animal with the digestive system illustrated above. Give a reason for the answer

Q2— Section header —

2.1.5Name part Indicate ONE function of hydrochloric acid in digestion. (1\ (1\

2.2The diagram below shows the accessory glands of the digestive system in farm animal.

2.2.2Identify part in the diagram above. Name ONE enzyme found in part that plays a role in digestion. (1\ (1\

2.2.3State ONE function of part (1\

2.2.4Explain the importance of fat emulsif ication by the liquid stored in part (2\ Animal ingests

2.3The table below shows the organic and inorganic components of feed and their average values. COMPONENTS AVERAGE VALUES per kg Protein 8,5 g Carbohydrates 12,3 g Fibre

2.3.2Identify the table above the mineral nutrient that controls the intake of stock lick by farm animals. State the mportan of protein in the

2.3.4Indicate ONE other organic component of feeds that is NOT included in the table above. The feed in the table above could be recommended to prevent osteomalacia in animals. Justify this statement. (1\

2.4The diagram below shows the digestibility of feed in a dairy cow.

2.4.2Calculate the dry matter of the feed that is absorbed by the animal. State ONE animal factor that might have influenced the digestibility of the feed above. (3\ (1\ kg of a feed with 12,5 kg dry matter was

2.5A feed has otal igestible utrients (TDN\ of 89% and igestible rotein (DP\ of 15%. The formula to calculate the nutritive ratio is: Nutritive atio = 1

2.5.1Use the above formula to calculate the nutritive ratio (NR\ of this feed. Show ALL calculations including the formula. (3\

2.5.2State the purpose of feeding animals with the feed containing the

Q2— Section header —

2.5.3Give a reason for the answer

Q2— Section header —

2.6The schematic representation below shows the types of feeds and their subdivisions.

2.6.2Identify Indicate the importance of for young ruminants. (2\ (1\

2.6.3Give ONE example of EACH of the following: (a\ (b\ (1\ (1\

2.7A lactating dairy cow was fed 30 kg of fish meal with a gross energy (GE\ value of 21 MJ/kg of dry matter . The following energy losses occurred the dry matter consumed

Q3— Section header —

3.1The pictures below show farm animals in different farming systems. ICTURE ICTURE

3.1.1Identify the farming system represented EACH of the following: (a\ (b\ ICTURE ICTURE (1\ (1\

3.1.2Give a reason for the answers QUESTION

3.1.1(a\ and (b\. (2\

3.2The pictures below depict some of the factors that are to be considered for increased production in farm animals. ICTURE

3.2.1Identify the factors represented in PICTURE A and PICTURE B which would result increased production if properly managed. (2\

3.2.2

3.3The pictures below show different facilities used in animal production. ICTURE

3.3.1Identify the facility in: (a\ (b\ PICTURE A PICTURE B (1\ (1\

3.3.3Indicate the use of bedding in PICTURE B. Differentiate between the facilit ies in PICTURE C and PICTURE D based on their purpose. (1\ (2\

3.4Below is a list of tools and equipment that are used to handle farm animals. rodder plastic shaker plywood board casting harness nose pliers halter Choose the tool or equipment from

3.4.2akes loud noise to steer pigs a particular direction Is placed around the head, muzzle and behind the ears of an animal to restrain or lead (1\

3.4.3Delivers a mild electric shock when handling large animals (1\

3.4.4

3.5State ONE basic guideline for handling sheep. (1\

3.6The diagrams below show the life cycles of two different parasites. DIAGRAM A DIAGRAM B

3.6.4Identify the parasite in DIAGRAM A. Classify the parasite in DIAGRAM B based on where it occur Differentiate between the parasites in DIAGRAM A and DIAGRAM based on their life cycles.

3.7Poisonous plants can pose a serious challenge to the health of farm animals.

3.7.2State TWO measures the farmer can take to treat animals suffering from plant poisoning. Give TWO roles of the state in animal health. (2\ (2\

3.8list of diseases that can affect farm animals is given below umpy wool bluetongue paralysis brucellosis mastitis redwater heartwater

3.8.2The occurrence of round blisters that later develop into sores on the mucous membranes of the mouth, tongue and between the hooves Is characterised by brown to dark urine and is transmitted by blue ticks

3.8.3Causes hard scab that affect the fleece and also occur on the ears, face and lips (1\ 13

3.8.4Signs are high fever, nervousness, grinding of the teeth, watery diarrhoea and is transmitted by a bont tick (1\

3.8.5Inflammation of the udder which results thick and flaky milk with clots (1\

3.9Name TWO methods of administering medication to farm animals. (2\ [35] 1435

Q4— Section header —

4.1The diagram below represents the reproductive system of a farm animal.

4.1.1Identify part (1\

4.1.2State ONE function of EACH of the following: (a\ (b\ Fluid in part Part

4.1.3Name the congenital defect associated with part (1\

4.2The diagram below represents a sperm cell.

4.2.2Name the process through which the sperm cell is formed. Identify the letter of the part that releases an enzyme that helps the sperm cell to penetrate the female gamete. (1\ A B C 15

4.2.3Name the cell division that results (a\ (b\ Secondary spermatocytes Primary spermatocytes (1\ (1\

4.3The graph below provides information regarding the hormonal levels during the reproductive cycle of a cow.

4.3.1Identify the time (in days\ when the levels of oestrogen and progesterone are equal towards the onset of the second ovulation. (1\

4.3.4Give an explanation, based on the graph above, that indicates the cow was NOT pregnant after ay Describe what could have happened to the corpus luteum of the cow shown in the graph above after

4.4The table below shows the semen volume per ejaculate and the s perm cell concentratio per ejaculate in different farm animals FARM

4.4.1Use the data in the table above to draw a combined bar graph showing the semen volume per ejaculate and the s perm cell concentratio per ejaculate in different farm animals

4.4.2State ONE requirement for the storage of collected semen. (1\

4.5Explain how EACH of the following works in detecting oestrus in cattle:

4.5.2Pedometer Tail chalking (2\ (2\

4.6Artificial insemination (AI\ is a reproductive technique used by farmers. Indicate the action the farmer would take if signs of heat (oestrus\ were detected in the afternoon. (1\

4.7The diagram below illustrates the formation of multiple births.

4.7.1Explain the process of multiple birth formation shown in the diagram above. (2\

4.7.2Name the reproductive process that occurs after has taken place. (1\ Sperm ell gg c ell Embryos

4.8A practice was applied where the nucleus of a Holstein cow that produced litres of milk per day, was extracted from the somatic cells and inserted into the enucleated ovum of a Nguni cow that produced 14 litres of milk per day.

4.8.3Deduce the type of reproductive technique from the paragraph above. The calf that will be born from the Nguni cow will be a Holstein. Justify the statement. State

Q4— Section header —

4.9The picture below shows stage of pregnancy in a cow.

4.9.1Identify the stage of pregnancy in the cow represented in the picture above. (1\

4.9.2Give TWO reasons why the stage of pregnancy identified in

Q4— Section header —

Topics Identified

Animal ProductionAgricultural Management

Mark Allocation

Total150 marks

Sections35 + 35 + 35 = 105 marks

Paper information

SubjectAgricultural Sciences

Year2025

SessionNovember

TypePast Paper

PaperPaper 1

LanguageEnglish

Pages17

Downloads11

Examination context

Decade2020s

Years ago1y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2025

Days since exam356

About Agricultural Sciences examination preparation

Grade 12 Agricultural Sciences combines scientific knowledge with the application and interpretation of agricultural concepts.

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Corresponding marking memorandum

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