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KCSE CLUSTER TESTS 15

Agriculture Paper 1

SECTION A (30 Marks)

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

Give three advantages of practising mixed farming.

1.5 marks

2.

Name three pieces of information that may be found in a title deed

1.5 marks

3.

State four cultural methods of weed control.

2 marks

4.

State four disadvantages of using organic manures in the farm.

2 marks

5.

Give one benefit of each of the following practices in crop production.

i) Seed inoculation

ii) Seed dressing

iii) Chitting

3 marks

6.

Give four factors affecting efficiency of pesticides

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

2 marks

7.

State two practices used to train plants in order to grow in a designed direction and shape

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1 marks

8.

Name three main agents of weathering.

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

1.5 marks

9.

Give four factors that determine the depth to which seeds are to be planted.

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2 marks

10.

Give a reason for carrying out each of the following practices in a tomato nursery.

i) Pricking- out

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ii) Hardening – off

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2 marks

11.

. Give two causes of blossom end rot in tomatoes. ...................................................................................................................................................... ......................................................................................................................................................

1 marks

12.

List four ways of applying fertilizers in crops. ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

2 marks

13.

. Outline four qualities of a mother plant from which vegetative propagation materials should be obtained. ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

2 marks

14.

. State four practices which encourage soil erosion.

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

2 marks

15.

Give four reasons for keeping livestock health records on the farm. ...................................................................................................................................................... ...................................................................................................................................................... ...................................................................................................................................................... ......................................................................................................................................................

2 marks

16.

. Give five advantages of practising crop rotation.

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

2.5 marks

SECTION B (20 Marks)

Answer all the questions in the spaces provided
17.

The table below shows pH values of different soil samples. Study it and answer the questions that follow

a) Which soil sample has the highest acidity? (1mk)

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

b) State two ways in which the PH value of sample S8 can be lowered. (2mks) ...................................................................................................................................................... ......................................................................................................................................................

c) Which of the above soil samples is suitable for tea growing? (1mk) ...................................................................................................................................................... ......................................................................................................................................................

4 marks

18.

The diagram below illustrates a feature observed after digging the soil several metres deep. Study the diagram and answer the questions that follow.

a) Identify the above feature. (1mk) ......................................................................................................................................................

b) Name the parts labeled A,B,C, and D. (4mks)

A............................................................................. B............................................................................. C.............................................................................. D...............................................................................

c) Give two ways in which the knowledge of the above feature benefits the farmer. (2mks) ...................................................................................................................................................... ......................................................................................................................................................

7 marks

19.

The following illustrations show two ways of pruning crops

a) Which illustration represents the correct way of pruning? (1mk) ......................................................................................................................................................

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

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

c) State two ways in which pruning assists in controlling crop diseases. (2mks) ...................................................................................................................................................... ......................................................................................................................................................

4 marks

20.

The diagram below represents a crop pest

a) Identify the crop pest. (1mk)

b) Name one crop attacked by the crop pest. (1mk)

c) State three ways in which the pest can be controlled. (3mks

5 marks

SECTION C (40 Marks)

Answer any two questions from this section
21.

a) i) State two conditions under which the opportunity cost is zero in a farming enterprise.

ii) State four advantages of communal land tenure system. (4mks)

b) State four biotic factors that influence Agriculture (4mks) c) State and explain five roles of Agriculture in economy development of Kenya. (10mks)

20 marks

22.

Describe the raising of a maize crop for grain production under the following sub-headings.

a) Ecological requirements (5mks)

b) Seedbed preparation (3mks)

c) Planting (5mks)

d) Field management (5mks)

e) Harvesting (2mks)

20 marks

23.

. a) Describe establishment of grass pasture from the time land is ploughed to the time the pasture is ready for grazing. (12mks)

b) What are the advantages of a mixed grass – legume over a pure grass pasture. (8mks)

20 marks

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