Fertilizers that usually contain one nutrient which can be used directly by plants are commonly called

• A. organic fertilizers
• B. mixed fertilizers
• C. inorganic fertilizers
• D. straight fertilizers

The use of Chemical pesticides is being discouraged because they

• A) Degrade the environment
• B) Pollute the environment and kill non target organisms in the environment
• C) They contaminate water bodies
• D) All of the above

Control of maize stem borer is most effective when

• A. affected crops are uprooted and burnt
• B. rodenticides are applied
• C. nematicides are applied
• D. fertilizers are applied before planting

Which of the following factors affect the supply of agricultural produce? I Improvement in technology II Increase in rainfall III Decrease in temperature IV input cost

• A. l and ll only
• B. l and lll only
• C. l , ll and lll only
• D. l, ll, lll and lV

A detrimental effect of bush burning is that it

• A. destroys soil organic matter
• B. Destroys weed seeds
• C. sterilizes the soil
• D. adds potash to the soil

The following bacteria are important in the nitrogen cycle except?

• A. bacillus
• B. nitrobacter
• C. nitrosomonas
• D. rhizobium

Which of the following is not a control measure of cowpea weevil?

• A. fumigation of stored seeds
• B. stroage of seeds in air-tight containers
• C. timely harvesting
• D. innoculation of seeds

A miracidium is a larval stage of a

• A. tapeworm
• B. liver fluke
• C. trypanosome
• D. tick

Which branch of poultry industry is concerned with the production of various kinds of feed?

• A) Hatchery industry
• B) Poultry processing and marketing
• C) Milling Industry
• D) Poultry equipment

(a) What is animal improvement? [2marks]

(b) Give three aims of animal improvement.[3marks]

(c) Define each of the following terms as used in animal reproduction: (i)parturition; (ii)gestation period. [4marks]

(d) Name i three systems in the body of farm animals.{3marks]

(e) Mention four advantages of castration in animal production. [4marks]