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Kenya Certificate of Secondary Education

2019 Computer Studies – Paper 2

1.Form 1 Class Teachers of Mwango secondary school intend to use a data base to manage students o Secondary School intend to use a database to manage students performance in three examinations: opener,mid term and endterm examination.

(n) Open a database program and create a database named analysis.

(1 mark)

(b) (i) Create three tables named Class, StudDetails and StudMarks in the database file created in (a) using the following details: (14 marks)

Class Table

Field Name	Data Type and Properties
ClassID	ClassID Text (size 2)
ClassName	ClassID Text (size 25)
Teacher	ClassID Text (size 25)

StudDetails Table

Field Name	Data Type and Properties
AdNo	Number
StudName	Text (size 25)
Gender	Yes/No (yes for female)
ClassID	Text (size = 2) Look up values,IE,IN,IW

StudMarks Table

Field Name	Data Type and Properties
AdNo	Number
Opener	Number
MidTerm	Number
EndTerm	Number

(ii) Create the relationships between the tables. (2marks)

(iii) Create a form for the Class table and add a subform for the StudDetails table using the format in £gure 1. Save the form as dataentry.

ClassID

ClassName

Teacher

AdNo	StudName	Gender	ClassID

(iv) Enter the following data into their respective tables in the database (l2½ marks)

Class TabLe

ClassID	ClassName	Teacher
IE	Form One East	Elvis Barongo
IN	Form One North	Alice Nadiya
IW	Form One West	Paul Mkacharo

StudDetails Table

AdNo	StudName	Gender	ClassID
7984	Mary Kikoti	Female	1E
7460	Erica Kamburi	Female	1E
7800	Axlam Khan	Male	1E
8083	Martin Mkanjala	Male	1E
8092	Esther Peresian	Female	1N
8490	Micah Lokiyoto	Male	1N
8082	Mohamed Ayan	Male	1N
7896	Mark Kwalima	Male	1W
7892	Morgan Lema	Male	1W
8184	Emily Mawasi	Female	1W
8047	Edward Omogeni	Male	1W

AdNo	Opener	MidTerm	EndTerm
7984	85	Female	82
7460	73	Female	79
7800	78	Male	86
8083	81	Male	87
8092	73	Female	83
8490	71	Male	87
8082	81	Male	90
7896	88	Male	88
7892	85	Male	89
8184	85	Female	83
8047	90	Male	86

(c) Create a query to display the fields:

(i) AdNO, StlldName, ClassID, Opener, MidTerm and EndTer m for all students in Form One East. Save the query as FIE. (4½ marks)

(ii) AdNo, StudName, ClassID, Opener, MidTerm and EndTerm arld a Calculated field named meanscore to display the average in the three examinations.

Save the query as overall. (6 marks)

(d) Create a report to display details of each student as it appears in Figure 2 (2 ½ marks)

(e) Print out each of the following: (3 marks)

(i) the three tables

(ii) the two queries

(iii) report for the first two students

2. The Chief Printer of Zenith Printers Company would like to have business cards. As a Desktop Publishing (DTP) expert, you have been tasked to design the card for the officer.

(a) (i) Open a Desktop Publishing program and set the page layout as follows:

• Paper size: 8.5 cm width by 5.5 cm height

• Layout type: multiple pages per sheet

• Target paper size: A4

• Orientation: Portrait

• Margin: 0.75cm all round (5 marks)

(ii) Save the publication as business card. ( 1 mark)

(b) Design the card as it appears in Figure 3 ensuring that the card covers all the space in the page. (42 marks)

(c) Print out 10 copies of the card on a single A4 pnge.(2 mark)

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Kenya Certificate of Secondary Education

2019 Computer Studies – Paper 1

Section A

Answer all the questions in this section

State the hardware technological differences between the second generation and the third generation computers (2 marks)

2. State two ways of ensuring proper ventilation in a computer room. (2 marks)

3. Convert the decimal number 20.373 to its binary number system equivalent. (2 marks)

4. Peter has installed internet in his home computer in order to use it for browsing. State three ways in which he would prevent viruses from infecting his computer. (3 marks)

5. State three ways of transforming a picture embedded in a Desktop Publishing programme in order to fit in a designated space on a document. (3 marks)

6. Differentiate between a line printer and n page printer as used in computers.(2 marks)

7. Describe virtual realitly as used in computers. (2 marks)

8. State the function of cach of the following fetures of an email software:

(a) Inbox (1 marks)

(b) Draft (3 marks)

9. (a) Explain the term loggle key as used in computer keyboard. (2 marks)

(b) List examples of toggle keys on a computer keyboard. (2 marks)

10. State the type of error that would occur in data processing for each of the fol1owing cases:

(a) Entering the number 315 instead of 351. (3 marks)

(b) Entering the text “Kwys” instead of “Keys”. (3 marks)

11. State four factors to consider when selecting an input device for use in a computer room (4 marks)

12. State three functions 0f Un-interrupted power supply (UPS). (3 marks)

13. Distinguish between a page break and a column break as used in a word processor. (3 marks)

l4. State three factors to consider when selecting an operating system to instal in a computer (3 marks)

15. Differentiate between analogue data and digital daia as used in computers. (2 marks)

Section B

Answer question 16 and any other 3 questions from this section.

16. (a) Explain the term dry running as used in program development.(2 marks)

(b) Explain three properties of an algorithm. (6 marks)

(c) To qualify to get a driving license,an applicant must be 18 years or over.

Ten candida tes applied for a driving license test.

Draw a flow chart that would read the name and age of an applicant and display the names of those who qualify, (7 marks)

17.(a) State four outcomes that may result from using incorrect requirement specifications during system development (4 marks)

(b) A school opted to use direct change over approach when installing a new system.

Explain three challenges that die school may face as a result of this approach. (6 marks)

(c) State three reasons that may lead an organisation to instal an intranet.(3 marks)

(d) The figure below shows a coaxial cable .State the function of the part labelled A. (2 marks)

18. (a) State three hardware devices that may be required to connect a computer to an existing local area network. (3 marks)

(b) A publisher intends to use a desktop publishing programme to create a publication which is to have many graphics.

State three ways in which the graphics may be acquired for this purpose. (3 marks)

(c) Interpret each of the following spread sheet formula :

(i) =countif(D2:D9,”>”$B4) (2 marks)

(ii) =sumif(B3:B11,”4M”,D3:D11)

(d) (i) The folloiviiig are llie fields of products fable in a database created to store records of products iiianufacturcd in a factory:

• product number

• product name

• price

• product description

1. State the appropriate data type for each field. (2 marks)

II. State three properties to be put in place during table design to ensure integrity of the data entered. (3 marks)

19. Explain three features of a graphical user interface as used in computers (6 marks)

(b) State the function of each of the following computer keyboard keys:

(i) Caps Lock (1 marks)

(ii) Shift (1 marks)

(iii) Home (1 marks)

(c) Using two’s complement notation,determine the value of the operation 25^10-2910

(6 marks)

20. (a) Distinguish between computer Aided Instruction (CAI) and computer Aided Learning (4 marks)

(b) (i) State four activities that may be carried out when disposing off an old system in an organisation. (4 marks)

(c) State three benefits gained from the advancement in technology in the music industry (3 marks)

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Kenya Certificate of Secondary Education

2019 Business Studies paper 2

1 (a) Explain five see ices that may be offered by wholesalers to the retailers. (10 marks)

(b) Explain five differences beuveen a sole proprietorshi p and a public limited company.(10 marks)

2 ta) Explain fire negative implications of a young population. (10 marks)

(b) The Trial Balance below was extracted from the books of Rakwaro Enterprises on 31st December 2015.

Stock on 31st December 2015 was valued at Ksh 280,400.

Required

(i) Prepare Rakwaro Enterprises Trading Profit and Loss Account for the period ending 31st December 2015 (7½ marks)

(ii) Determine Rake aro Enterprises initial capital.(2½ marks)

3. (a) Explain five demerits of pipeline as a means of transport. (10 marks)

(b) Explain five measures that may be taken to increase the volume of exports. (10 marks)

4.(a) The following information relates to Moyale Retailers for the month of July 2015:

Sales – Ksh 50,000

Cost of sales – Ksh 40.000

Average stock – ksh 20,000

Expenses were – 5% of sales

Calculate:

(i) Mark-up (2 marks)

(ii) Margin (2 marks)

(iii) Total expenses (2 marks)

(iii) Net profit (2 marks)

(iv) Rate of stock turnover (2 marks)

(b) Outline five benefits of a business to the society. (10 marks)

(a) Explain five advantages of locating firms in different parts of the country. (10 marks)

(b) Explain five government initiated methods of consumer protection. (10 marks)

6.(a) Dcscribe the precedure for obtaining an insurance policy. (10 marks)

(b) Outline five assumptions associated with the circular flow of income in a two sector economy (10 marks)

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KCSE Past Papers 2019 Business Studies Paper 1

Paper 1

1. State whether the commodity or service given in the table below would satisfy a basic human want or a secondary human want.(4 marks)

2. Outline four factors that make office managers to communicate in writing to their staff.(4 marks)

3. The information given below was extracted from the books of Birika Traders on 31 December 2014: (4 marks)

Required: Prepare Birika Traders Trial Balance as at 31 December 2014.

4. Highlight four functions of an office in an organisation.(4 marks)

5. Outline four roles played by the Nairobi Securities Exchange in the Kenyan economy.(4 marks)

6. Name the basic concept in population described in the statements given below: (4 marks)

(a) Population size that is adequate for the full utilisation of available resources in country

(b) The average number of births per one thousand women in a year.

(e) When a country is experiencing higher death rates than birth rates.

(d) Where a bigger proportion of the population is comprised of people who are above 55 years old.

7. State the circumstance under which each of the following terms of trade would be applied in foreign trade. (4 marks)

(a) Franco ………………………………….

(c) In Bond …………………………….

(d) Free Alongside Ship …………………… …..

8. Complete the diagram below to illustrate the classification of trade. (3 marks)

9. Highlight four iricrits of using sales people to promote the Sales of a particular product. (4 marks)

10. By use of the book keeping equation, determine the missing values in the table below: (4 marks)

11. Outline four features that may indicate a country’s state of underdevelopment. (4 marks)

12. List four types of small-scale rctail business that one can run without a shop. (4 marks)

13. Highlight four functions of the Department of External Trade in the Ministry of Industry, Trade and Cooperatives. (4 marks)

14. Outline four factors that Chemichemi Dairies would consider when selecting a channel to distribute their fresh milk.(4 marks)

15. State the relevant books of originel entry into which information is extracted from the source documents given below would be recordcd:

16. Outline four features of co-operative societies.(4 marks)

17. Highlight four factors which may lead to an increase in a country’s national income. (4 marks)

18.The following information was extracted from the books of Jabali Traders on 31 December 2015.

Details Ksh

Purchases – 84,375

Carriage out – 7,400

Stock on 1/1/2015 – 67,900

Carriage in – 9,170

Stock on 31/1/2015 – 17,970

Returns out – 15,520

(a) Determine net purchases.(3 marks)

(b) State two reasons for preparing the trading account.(2 marks)

19. Identify the level of production into which the following workers belong:

20. Outline four characteristics of a good tax system.(4 marks)

21. Highlight four contributions of entrepreneurs to the growth of an economy.(4 marks)

22. Highlight four factors that may influence an individual’s demand for money in order to fulfil the transaction motive (4 marks)

23. Determine the excess demand or excess supply from the combined demand and supply schedules of oranges given below:(4 marks)

24.Outline four benefits for a bonded warehouse to the importer (4 marks)

25.Apart kom trains and motor vehicles, state four other means of transporting goods and people on land. (4 marks)

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Kenya Certificate of Secondary Education

2019

Biology Paper 3

BIOLOGY Questions and answers

1. You are provided with specimens F and G. obtained from different plant species.

Observe them together with photographs E and H and answer the questions that follow.

Note: Do not destroy specimens F and G as you will need them for question 2.

(a) (i) State hoow plants represented by specimen F and photographs E and H protect themselves.

(ii) State the likely habitat of each of the plant in (a)(i),giving a reason in each case.

Specimen F (1 mark)

Habitat

——————————————-

Reason

——————————————–

Photograph E (1 mark)

Habitat

——————————————-

Reason

——————————————–

Photograph H (1 mark)

Habitat

——————————————-

Reason

——————————————–

(b) Examine the leaves of specimen G.

(i) Describe two observable features of thèse leaves that help the plant conserve water. (2 marks)

(ii) Besides leaf structure, explain two mechanisms that help the plant in (b) (i) above not to dry up during the dry season. (2 marks)

2.You are provided with specimens labelled J and K in addition to F and G and mid II (used in question I).

(a) Follow the dichotomous key below to identify E, F, G, H, J and K.

(a) Leaf margin smooth ……………………………. GO to 2

(b) Leaf margin serrated/rugged ……………………. GO to 3

2. (a) Leaf parallel-veined ……………………….. K

(b) Leaf net-veined or veins not showing …………….. Go to 4

3. (a) LeaF with thorny edges …………………………H

(b) Leaf edges not thorny ……………………………. Go to 5

4.(a) Leaf Large ……………………………………… G

(b) Leaf Tiny ……………………………………………. E

5. (a) Leaf thorny stern …………………………………. F

(b) Leaf not on stern ……………………………………. G

Fill the table below,indicating the steps used to identify the leaves of each specimen or photograph.

Leaf Steps followed

E ………………………………………….

F ………………………………………….

G …………………………………………..

H ……………………………………………

J ……………………………………………

K …………………………………………………

(b) (i) Besides leaf’features found in the dichotomous key above, state two other features that can be used to identify leaves. (2 marks)

State the complementary characteristics that define the leaf features stated in (b) (i). (2 marks)

(c) The habit of a plant in its environment is referred to as being a tree, shrub or herb, depending on its height.

Suggest the habits of the plants from which specimen F and photograph H were obtained. (2 marks)

3. You are provided with specimens L and M which are types of teeth from the same mammal.

Observe these specimens together with photographs N and P and answer the questions that follow.

(a) (i) With a reason in each case, name the type of tooth represented by specimens L and M

Specimen L

Name ……………………………

Reason ………………………….

Specimen M

Name ……………………………

Reason ………………………….

(ii) Draw and label specimen L.(2 marks)

(lii) State two functional differences between specimens L and M (2 marks)

(b) State the diet of the mammals from which photographs N and P below wera obtained. giving a reason in each case.

(i) Photograph N (2 marks)

Diet ………………………………………

Reason ……………………………………

(i) Photograph P (2 marks)

Diet ………………………………………

Reason ……………………………………

Name the joint labelled K on photograph P. (1 mark)

(ii) Explain two features of the joint named in (c) (i) above that makes it adapt to its function. (2 marks)

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Kenya Certificate of Secondary Education

2019 Biology Paper 2

Answer all the questions in the spaces provided.

1. In an experiment to investigate the effect of Sodium chloride on the growth rate in a spinach seedling. seeds were treated with different concentrations of sodium chloride. The results are as recorded in the table below.

(a) From the results in the table above, explain the effect of increasing the concentration of sodium chloride. (3 marks)

(b) Apart from a ruler, state two other equipment one would need to determine the rate of growth in the roots. (2 marks)

(c) With a reason, state one other part of the seedling the students would focus on to determine the effect of sodium chloride on growth. (2 marks)

(d) State the likely effect on the seedling of increasing the seedling of increasing the conccntration of sodium chloride to 2.20 mol/I . (1 mark)

2. The table below shows results of blood cell counts per mm° of blood from a sample of people living at different altitudes.

(a) Explain the relationship between:

(i) Red blood cells count and the altitude;(3 mark)

(ii) White blood cells count and the altitude.(3 mark)

(b) Explain why chances of nose-bleeding increase with altitude in humans. (2 marks)

3. (a) State one importance of irritability to living organism. ( 1 mark)

(b) ln an experiment, students treated seedlings as illustrated below.

(i) Account for the observations made in seedling 1 (3 marks)

(ii) Explain the similarity in the end results made in seedlings II and II (2 marks)

(iii) State the likely treatment that would make seedlings II and III respond like seedling I. (2 marks)

4. In cats, the gene for fur colour is sex-linked. Letter G represents the gene for ginger fur colour while letter B represents the gene for black fur colour in a given cot species. These genes are codominant.

Heterozygous females have ginger and black patches of fur rind their phenotype is described as tortoise-shell.

(a) With reference to the information given above, what is meant by the term codominance? (1 mark)

(b) Explain why male cats with a tortoise-shell phenotype do not usually occur. (2 marks)

(c) A tortoise-shell female was crossed with a black male. Determine the genotypes and phenotypes of the offspring. (5 marks)

5. A person accidentally touches a hot pan and responds as illustrated in the diagram below.

(a) Explain how the response illustrated above occurs. (6 marks)

(b) Explain how auxins are utilised as selective weed killers in agriculture. (2 marks)

SECTION B (40 Marks)

Answer question 6 (compulsory) and either 7 or 8

6. The table below shows the rate of product formation for two enzymes, H and J over a range of pH values.

(a) On the same axis, plot graphs of the rate of product formation against pH. (8 marks)

(b) Account for the rate of product formation for enzyme H between:

(i) pH 1.0 and 3.0 (3 marks)

(ii) pH 3.0 and 7.0. (3 marks)

(c) From the graph, determine:

(i) The pH value at which the rate of product formation of the two enzymes was the same (l mark)

(ii) The value of the rate of product formation for enzymes H and I at the pH value stated in (G)(i) above (1 mark)

(iii) The optimum pH value for enzyme J (l mark)

(d) State one variable that may lead to the change in the optimum rate of product-formation of the two enzymes. (l mark)

(e) Suggest with a reason, the likely part of the human alimentary canal where enzyme H would be found. (2 marks)

7.Giving examples,describe the following interactions among organism: (20 marks)

8. Explain the effects of increased physical activity on the following organ systems: (20 marks)

(a) Heart

(b) Lungs

(C) Kidneys

(d) Skin.

 

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KCSE Past Papers  Biology Paper 1 2019 (231/1)

Kenya Certificate of Secondary Education

2019 Biology Paper 1

Answer all the questions in the spaces provided.

1. Name the characteristic of living organisms illustrated by each of the activities described below: (a) Dressing heavily (1 mark)

(b) Bursting of the sporangium in the Rhizopus sp (1 mark)

2. (a) Besides venation, state two other external characteristics of leaves that can be used to classify plants.(2 mark)

(b) Explain why the bat is classified as a mammal yet it flies.(2 mark)

3. The diagram below illustrates a specialised cell obtained from a certain tissue.

(a) Name the cell.(2 mark)

(b) State two ways in which the cell is structurally adapted to its function. (2 marks)

4. In investigating a certain pliysiological process, students set up the apparatus as shown below and made the observation after 30 minutes as illustrated.

(a) Name the physiological process being investigated.(1 mark)

………………………………

(b) Account for the observation made at the end of the experiment.(3 mark)

……………………………………………….. …

………………………..

(c) State the likely identity of G.(3 mark)

———————————————————

5. Explain why significantly increasing the blood pH slows down the rate of selective reabsorption of materials in the kidney tubules. (3 marks)

————————————————

————————————————–

6. (a) Name the respiratory structure in the amoeba.(1 mark)

——————————-

(b) Give a reason for your answer in (a) above.(1 mark)

….. …… ………………………

7. Distinguish between chemical and mechanical digestion.(1 mark)

———————————————-

——————————————-

g. State the role of each of the following in the mammalian respiratory system:

(a) mucus (2 mark)

——————————————————————————

————————————————————————

(b) cartilage rings (1 mark)

——————————————————————————

————————————————————————

(c) epiglottis (1 mark)

——————————————————————————

————————————————————————

9. Below is a photograph of Brassica oleracea, Sukuma wiki leaf.

(a) State two observable features that adapt the leaf to gaseous exchange. (2 marks)

——————————————————————————–

———————————————————————————

10. In an investigation, students set up the apparatus below in the laboratory and made observations after 72 hours.

(a) Explain how inclusion of the following components would affect the mouse in the experiment:

(i) light (2 marks)

———————————————————————-

——————————————————————-

(ii) sodium hydroxide solution (2 marks)

————————————————————————

—————————————————————————

11. Explain each of the following physiological observation :

(A) Sportsmen release little, concentratcd urine at the end Of a strenuous exercise (3 marks)

—————————————–

——————————————-

———————————————

(b) A rabbit has a higher oxygen demand than a camel (3 marks) ——————————————————————————

——————————————————————————

12. While investigating a certain metabolic process in plants, students set up the apparatus as shown below in a classroom and monitored it for 48 hours.

(a) Identify the metabolic process under investigation.(1 mark)

————————————————

(b) Account for the observations made in the test tube at the end of the investigation. (2 Marks)

————————————–

——————————————

13. A female human being was found to have an extra sex chromosome in her cells.

(a) Give the total number of chromosomes in the female individual’s cells.(1 Marks)

—————————

(b) Explain the possible cause of this condition.(2 Marks)

————————————-

——————————-

(c) State two physical characteristics observed in the female individual with such a condition. ———————————

14. (a) Explain why fossil records as evidence of organic evolution are usually incomplete.(3 marks) ———————————————-

—————————————————

(b) Name the evidence of organic evolution exhibited by occurrence of similar amino acid molecules in a range of organisms. (1 Marks)

—————————————

15. (a) Distinguish between guttation and transpiration.(1 Marks)

————————————

—————————

(b) State the significance of transpiration to a plant.(2 Marks)

—————————–

——————————-

16. State two benefits of mutation in living organisms. (2 Marks)

——————————————-

—————————————-

17. Below are photographs of two dogs.

Explain the possible reason for the difference in the length of their fur. (2 mark)

18. Name the type of t00th in carnivores mainly used for piercing and killing of preys. (1 mark)

19. Below is a diagram of the human digestive system.

(a) Label with Y on the diagram where enzyme amylase is produced. (2 marks)

(b) Besides the digestive role, explain one other function of the part labelled H. (2 marks)

——————————–

…………………………….

20. State how each of the following features enhance efficient movement of fish in water.

(a) Scale (1 mark)

(b) body shape (1 mark)

21. Make a diagram of a simple, bilobed leaf with a serrated margin.(3 mark)

22. The chart below illustrates how respiratory gases are transported in the human blood.

(a) Identify gas Q. (I mark)

(b) Explain the advantage oxyhaemoglobin has over carboxyhaemoglobin.(2 mark)

23. State three homeostatic roles of the liver. (3 marks)

24. (a) Plasmodium vivax and P lasmodium ovale are transmitted by a mosquito. State with a reason whether the tWo organism s can interbreed. (2 marks)

(b) Explain the evolutionary basis for the ever changing drugs for malaria treatment. (2 marks)

25. State one characteristic of muscles responsible for each of the following:

(a) peristaltic movement (1 marks)

(b) movement of limbs (1 marks)

 

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Agriculture – Paper 2 – November 2019 – 2 Hours

2019 Agriculture Paper 2

CLICK HERE FOR Agriculture PAPER 1

SECTION A (30 marks)

Answer all the questions in this section in the spaces provided.

1. State four effects of fleas in poultry.(2 marks)

2. Name two breeds of dairy cattle with the highest

(a) butter fat content (2 marks)

(b) milk yield (2 marks)

3. State four ways in which vaccines are administered to livestock.(2 marks)

4. State four characteristics of animals which require a high maintenance ration.(2 marks)

5. State four microbial activities that occur in thc rumen.(2 marks)

6. Name four pests that attack bees. (2 marks)

7. Name four mineral deficiency livestock disorders. 8. State four control measures for fowl typhoid.(2 marks)

9. State the function of each of the following:

(a) Mallet (½ marks)

(b) Tocar and canula (½ marks)

(c) Garden line (½ marks)

(d) Stock and die (½ marks)

10. Statc four maintenance practices carried out on a wheelbarrow.(2 marks)

11. State four limitations of biogas as a source of power on the farm.(2 marks)

12. State four function al dİfferenc es between disc and mouldboard ploughs. (2 marks)

13. State fou r advantages of the Kenya Top Bar Hive (K.T.B.H.) over the log hive. (2 marks)

14. Distinguish between the following practices as used in livestock production:

(a) tapping and serving (1 marks)

(b) ringing and raddling (1 marks)

I- (a) Name the causal organism for East Coast Fever. (½ marks)

(b) State three ways in which infectious diseases spread from one animal to another. (1½ marks)

Section B (20 MARKS)

Answer all the questions in this section

16. The diagram below illustrates a practice in poultry rearing.

(a) Identify the practice.(1 mark)

(b) Name the part labelled

E……………………….. (1 mark)

F………………………….. (l mark)

(c) Explain two activities not shown in the illustration but very important for the practice to succeed. (2 marks)

17. The diagram below shows the reproductive system of a hen.

(a) Name the part labelled K (1 marks)

(b) State one function of each of the parts labelled G………………………………(1 marks)

J……………………………….(1 marks)

(C) (i) What is the maximum numbcr of eggs a hen can lay in a day?(1 marks)

(ii) Givc a reason for your answer in (C) (i) above. (1 mark)

n. The diagram below illustrates a treatment practice for a cow’s udder infected with mastitis.

(a) Name the causal organism for mastitis.(1 mark)

(b) Explain the treatment practice illustrated.(1 mark)

(c) How is mastitis infection detected in a lactating cow? (1 mark)

(d) How is an infected cow handled during milking to prevent spread of the disease to other animals? (2 mark)

19.The diagram below shows a farm structure for storing gains

(a) Identify the farm structure.(1 mark)

(b) State the function of the part labelled L. (1 mark)

(c) State one disadvan tage of the roofing material used on the farm structure. (1 mark)

(d) State two ways in which the structure is made ready for grain storage. (2 marks)

SECTION C (40 marks) Answer any two questions from this section

(a) State five disadvantages of artificial insermination. (5 marks)

(b) State five differences between ruminant and non-ruminant digestive systems. (5 marks)

(c) Describe anaplasmosis (gall sickness) disease under the following sub-headings:

(i) causal organism (1 mark)

(ii) modes of transmission (2 mark)

(iii) symptoms (4 mark)

(iv) control measures. (3 mark)

21. (a) State the functions of any six parts of a piggery unit.(6 mark)

(b) Explain six disadvantages of animal drawn implements. (6 mark)

(c) State eight symptoms of tapeworm infestation in cattle. (8 mark)

22. (a) Explain five precautions taken by dairy farmers to ensure clean milk production. (10 marks)

(b) Describe how chicken is dressed for sale.(10 mark)

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Kenya Certificate of Secondary Education

2019 Agriculture Paper 1

SECTION A (30 marks)

Answer all the questions in this section in the spaces provided.

I. Name four aspects of faÎn fall that afïcct agriculture. (2 marks)

2. State four factors that determine the depth of cultivation. (2 marks)

3. State four factors that influence the quality of farmyard manure.(2 marks)

4. State two factors that determine national income. (1 marks)

5. State four causes of land fragmentation. (2 marks)

6. Name two types of labour records.(2 marks)

7. State four ways in which crop pests are classified.(2 marks)

8. What is the minimum number of people required to form a co-operative society in Kenya? (½ marks)

9. Give two examples of fixed costs in maize production. (1 marks)

10. What is meant by the term production function? (1 marks)

11. State three cliaractcristics of good trccs for agroforestry.(1½ marks)

12. Name two varieties of sorghum grown in Kenya.(1 marks)

13. State four reasons why agriculture is important to Kenya’s economy.(2 marks)

14. Give two reasons why the use of fire is discouraged in land clearing.(1 marks)

15. State four ways in which mulching conserves water.(2 marks)

16. State four uses of fault records.(2 marks)

17. State four characteristics of shifting cultivation.(2 marks)

18. State the law of supply as used in agricultural marketing.(1 marks)

19. State four ways in which trees improve soil productivity.(2 marks)

20. What is meant by the term integrated pest management? (2 marks)

Section B (20 MARKS)

Answer all the questions in this section

21. The diagram below illustrate a tomato fruit infested by a field pest

(a) Identify the pest. (1 mark)

(b) State two ways in which the pest is economically important. (2 mark)

(c) State two cultural ways of controlling the pest. (2 mark)

22. The diagram below shows a weed

(a) Identify the weed. (1 mark)

(b) Using features on the diagram, give two reasons why it is difficult to eradicate the above weed. (2 marks)

(c) State two ways in which the weed is economically important. (2 marks)

23. The diagram below represent soil structures

(a) Identify the soil structure labelled M, N and P.

M…………………………………( 1 mark)

N…………………………………( 1 mark)

P…………………………………( 1 mark)

(b) Name the type of soil where each of the structures labelled N and Q is found.

N…………………………………..( 1 mark)

Q…………………………………..( 1 mark)

24, The diagram below shows an illustration of a crop field practice.

(a) Identify the field practice illustrated above.(I mark)

(b) Name two crops which require the practice illustrated.(2 mark)

(c) Give two reasons for carrying out the practice on one of the crops you have named in (b) above. (2 marks)

SECTION C (40 marks) Answer any two questions from this section

25. (a) Explain seven factors that should be considered when selecting seeds for planting. (7 marks)

(b) State four benefits of adequate and reliable rainfall in vegetable crop production. (4 marks)

(c) State four pieces of information contained in an invoice.(4 marks)

(d) State five roles of calcium in crop production.(5 marks)

26. (a) Describe how sugar cane is harvested.(5 marks)

(b) Explain four factors that determine the nutrient content of hay.(4 marks)

(c) State seven roles of a farm manager.(7 marks)

(d) Describe four methods used to reclaim a swampy land for agricultural production. (4 marks)

27. (a) Describe the production of carrots under the following subheadings:

(i) land preparation (3 marks)

(ii) planting (4 marks)

(b) Describe six ways in which grass cover helps in soil and water conservation. (6 marks)

(c) Explain seven nursery management practices. (7 marks)

Questions and Answers

2019 Agriculture Paper 1

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KCSE Past Papers Agriculture

KCSE Past Papers Agriculture

KCSE Past Papers Agriculture

KCSE Past Papers Agriculture

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When Will KCSE 2020 Be Done

Due to numerous inquiries from parents, teachers, and the 2019 KCSE Candidates on the procedure on how they can download the examinations result-slip online, I present this simple guide.

What you need before starting to download the KCSE result slip:

• Secondary School KNEC Portal Username
• Secondary School KNEC Portal Username
• 2019 KCSE Candidate’s Index Number

Procedure on How to Download the KCSE 2019 KCSE Result Slip Online via KNEC Portal

To access the 2019 Kenya Certificate of Secondary Education, KCSE, Result Slip, Go to the Kenya National Examinations Council, KNEC, online portal.

Let me vividly outline the steps:

1. Using a Computer with an internet connection, open your preferred web browser.
2. Enter the following KNEC Portal URL address; https://www.knec-portal.ac.ke/.
3. Sign in to the KNEC portal and enter the School Username and Password.
4. On signing in, you can view the summary of the KCSE Results.
5. Sort Out the results by entering the candidate’s index number in the box titled “FROM INDEX” and “TO INDEX NUMBER.”
6. Then, click on the “View Report” button. Automatically, the result slip with student’s grades will be displayed.
7. Click the “Export function” to download the Result slip in the document format of your choice.

That’s it, you have downloaded the KCSE 2019 Result slip. You can send it wherever you want.

Method to Check KCSE 2019 Results

The 2019 KCSE Candidates can check the results of their examination using a mobile phone or through the internet.

As candidate send ‘ your index number’ followed with ‘KCSE’ to 20076.

You will be charged Kshs.25 above the standard SMS rates for a message sent.

Alternatively, check the KCSE 2019 examinations results free of charge through the KNEC website.

Go to KNEC website through this link https://www.knec-portal.ac.ke/