FORM 4 TERM OPENER EXAMS 2023 ALL SUBJECTS CAPTURED

FORM 4 TERM OPENER EXAMS 2023 ALL SUBJECTS CAPTUREDINSTRUCTIONS TO CANDIDATES: 1. This paper consists of three sections; A, B and C 2. Answer ALL the questions in sections A and B 3. Answer any TWO questions in section C 4. All answers to be written in English FOR OFFICIAL USE ONLY SECTION QUESTION MAX. SCORE CANDIDATE SCORE A 1 – 14 30 B 15 – 18 20 C 19 – 21 40 TOTAL 90 SECTION A (30 Mks) Answer all questions in the spaces provided 1. a). Name three forms of horticulture practiced in Kenya. (1 ½ mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ b). State three ways in which ranching can be improved. (1 ½ mks) A+ 3 FOR MARKING SCHEME CALL 1 ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ 2. (a) State three factors that determine the depth of cultivation. (1 ½ mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ (b). Name three implements that can be used to carry out sub – soiling (1 ½ mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ 3. Name four reasons for treating water before use. (2 mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ 4. State four limitations of sprinkler irrigation (2 mks ) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ A+ 4 FOR MARKING SCHEME CALL 1 ............................................................................................................................................................ ........................ 5. Give the use of the following in the preparation of compost manure. (2 mks) (a). Calcium Ammonium Nitrate ............................................................................................................................................................ ............................................................................................................................................................ ................................................ (b). Top soil ............................................................................................................................................................ ............................................................................................................................................................ ................................................ ( c). Well decomposed manure ............................................................................................................................................................ ............................................................................................................................................................ ................................................ (d). Wood ash ............................................................................................................................................................ ............................................................................................................................................................ ................................................ 6. Give four uses of farm records. (2mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ A+ 5 FOR MARKING SCHEME CALL 1 7. State four roles of calcium in plants. (2 mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ 8. Give four problems associated with use of vegetative planting materials (2 mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ 9. State four importances of grafting and budding in crop production. (2 mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ 10. State four limitations of land – lordism and tenancy. (2 mks) ............................................................................................................................................................ ............................................................................................................................................................ ............................................................................................................................................................ ........................................................................ ............................................................................................................................................................ ........................ A+ 6 FOR MARKING SCHEME CALL 1 11. Giving examples, state two ways in which weeds can be classified according to plant morphology. (2 mks) .....................................................