You are provided with specimens: J1, J2, J3 and J4. (a) (i) Identify the specimens J1, J2, J3 and J4 by their scientific names (ii) Explain briefly how best can specimen J1 and J2 be preserved (iii) Give three reasons why farmers conserve specimens J1 and J2 (b) (i) Briefly describe how farm animals could be infested by specimen J4, (ii) Name two farm animals which are common host of specimen J4, (iii) Briefly explain the relationship between J3 and J4. (iv) Outline three ways by which specimen J4 may be controlled from infesting farm animals

1. Give three reasons why farmers conserve specimens J1 and J2 (0 alama)
2. Outline three ways by which specimen J4 may be controlled from infesting farm animals (0 alama)

Boresha ili kuona majibu ya mfano.

(i) Identify specimen I1 by its botanical name, (b) (ii) Mention the disease in specimen I1 and its causative agent, (iii) Identify the disease in specimen I2, (iv) List two methods in which the disease in specimen I2 is transmitted, (v) Write scientific name of specimen I3, (vi) Mention three crops that are the main host of specimen I3 and (vii) Suggest whether I3 is a field or storage pest, and give two reasons for the answer provided.

1. State the stage of crop development in which spacemen H2 is recommended for application, (0 alama)
2. List two methods in which the disease in specimen I2 is transmitted, (0 alama)
3. Suggest whether I3 is a field or storage pest, and give two reasons for the answer provided. (0 alama)

Boresha ili kuona majibu ya mfano.

(c) (i) Identify specimen G1, G2, G3 and G4 (ii) Indicate the arrangement of specimens and name the fitting they are going to use when they want to join specimen G5.

1. Indicate the arrangement of specimens and name the fitting they are going to use when they want to join specimen G5. (0 alama)
2. Differentiate the use of specimen F3 and F4 (0 alama)
3. Give the name of the unit in transmission system in which specimen E3 belong and describe its operating principle (0 alama)

Boresha ili kuona majibu ya mfano.