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KCSE CLUSTER TESTS 16

Agriculture Paper 1

SECTION A (30 Marks)

Answer All questions in this section in the spaces provided
1.

List FOUR Agricultural activities that make Agriculture a science. (2mks) .......................................................................................................................................................... .......................................................................................................................................................... ..........................................................................................................................................................

2 marks

2.

State TWO effects of HIV/AIDS on Agricultural production. (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

1 marks

3.

State THREE chemical process of weathering rocks. (1 ½ mks)

........................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..........................................................................................................................................................

1.5 marks

4.

a) What is the meaning of ‘changing cycle’ in coffee growing? (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

b) Why is the practice of changing the cycle important in coffee growing (1mk) .......................................................................................................................................................... ..........................................................................................................................................................

2 marks

5.

Give TWO reasons for carrying out each of the following operations in land preparation.

a) Rolling (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

b) Leveling (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

2 marks

6.

Give THREE limitations of basin irrigation. (1½mks)

.......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..........................................................................................................................................................

1.5 marks

7.

Explain the relationship between scarcity and choice as used in Agricultural economics. (2mks .......................................................................................................................................................... ..........................................................................................................................................................

2 marks

8.

Define the following terms as used in crop production. a) Integrated pest management (IPM) (1mk) .......................................................................................................................................................... ..........................................................................................................................................................

b) Economic injury level (EIL) (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

2 marks

9.

Define the term hardening off as used in crop production. (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

1 marks

10.

State TWO effects of siltation in dams. (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

1 marks

11.

Give FOUR factors considered in designing a crop rotation programme. (2mks) .......................................................................................................................................................... ..........................................................................................................................................................

2 marks

12.

State TWO factors which characterize large scale farming. (1mk)

.......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..........................................................................................................................................................

1 marks

13.

Give a weed in each case, which has the following effects on cattle. a) Poisoning ( ½ mks) .......................................................................................................................................................... ..........................................................................................................................................................

b) Tainting milk when eaten before milking. ( ½ mks)

.......................................................................................................................................................... ..........................................................................................................................................................

1 marks

14.

State TWO conditions under which opportunity cost does not exist or is equal to zero. (2mks) .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..........................................................................................................................................................

2 marks

15.

State THREE safety precautions a farmer would observe when using chemicals to control weeds. ( ½mk) ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

0.5 marks

16.

1 Give THREE function of calcium to crops (1½mks) ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

1.5 marks

SECTION B: (20 Marks)

17.

The table below shows demand and supply of Bananas at Matisi market

(i)Using suitable scale, draw and label a graph showing the relationship between the demand and supply of bananas at Matisi market (5mks)

10 marks

18.

. Study the illustration below and answer the question that follows


(a)Identify the method of drainage illustrated above (1mk)

...................................................................................................................................................... ......................................................................................................................................................

(b)How does the above illustrated drainage method facilitate drainage of water in a swampy area. (1mk) ...................................................................................................................................................... ......................................................................................................................................................

(c) State THREE reasons why drainage is considered an important practice in land reclamation. (3mks) ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

10 marks

19.

The illustration below shows a maize plant attacked by a certain disease indicated by symptoms marked Q


(a)Identify the disease (1mk)

...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

............................................................................

(b) State the symptom of attack illustrated in the above maize plant (1mk) ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

.............................................................................

(c) State THREE control measures for the disease illustrated above. (3mks) ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

10 marks

SECTION C (40 Marks)

Answer any two questions from this section
20.

Give ONE reason why the following treatments are carried out on seeds before planting.

a) Seed inoculation (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

b) Seed dressing (1mk)

.......................................................................................................................................................... ..........................................................................................................................................................

2 marks

21.

Below is a record format kept in the farm

a) Identify record format illustrated above (1mk)

......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

b) State two importance of a farmer keeping the type of records identified above (2mks) ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

c) Why do institutions loaning money (credit) to farmers insist on seeing farm records of the loan applicant? (1mk) ......................................................................................................................................................... .........................................................................................................................................................

4 marks

22.

The diagrams labeled A and B are illustrations of coffee established using two different formative pruning systems. Study them and answer the questions that follow.

a) Name the system of pruning illustrated in diagram A above. (2mks) ......................................................................................................................................................... .........................................................................................................................................................

b) Outline the procedure of how the pruning illustrated in diagram B is carried out. (3mks) ......................................................................................................................................................... ......................................................................................................................................................... ......................................................................................................................................................... .........................................................................................................................................................

5 marks

23.

The diagrams below show common weeds on arable land

i) Identify the weeds (2mks)

C.............................................................................................

D.............................................................................................

ii) Why is it difficult to control weed C. (1mk) ....................................................................................................................................................... .......................................................................................................................................................

iii) Name THREE chemicals used to control weed C in a field of coffee. (3mks) ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... .......................................................................................................................................................

iv) State TWO harmful effect of weed D. (2mks) ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... .......................................................................................................................................................

5 marks

24.

The diagram below illustrates an experiment carried out by a form one boy. Study it carefully and answer the questions that follow.

The set ups were allowed to stand for five hours. a) State the aim of the experiment. (1mk) ....................................................................................................................................................... .......................................................................................................................................................

b) Explain the results expected in

i) Set up E1 (1mk) ................................................................................................................................................. .................................................................................................................................................

ii) Set up E2 (1mk) ................................................................................................................................................. .................................................................................................................................................

3 marks

25.

a) Explain FIVE ways in which trees help in soil conservation. (5mks)

b) State FIVE uses of water on the farm. (5mks)

c) Describe the process of treating water for domestic use using chemical treatment system. (10mks)

20 marks

26.

. Describe field production of maize under the following

i) Land preparation (4mks)

ii) Harvesting (3mks)

iii) State three precautions observed while harvesting cotton (3mks)

10 marks

27.

a) Describe transplanting of onions in the field. (10mks)

b) Explain the various factors that influence spacing in crops. (5mks)

c) Describe the various types of farm records kept by a dairy farmer. (5mks) ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... .......................................................................................................................................................

20 marks

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