Study carefully specimens C, D and E and use them to answer questions 2(a) to 2(c).

(a) (i) State the mode of nutrition of specimen D.

(ii) State one way by which each of specimens C, D and E is of economic importance.

(b)(i) Classify specimens C, D and E into their phyla and classes.

(ii) List three observable characteristic features of each of the classes to which specimens C, D and E belong. 

(iii) In a tabular form, state two observable differences between C and D.

(C) List four observable features of specimen E that are sensory in nature.

Study carefully specimens J, K and L and use them to answer questions 4(a) to 4(d).

(a)(i) State the class of each of specimens J, K and L

(ii) State three reasons each for placing each of specimens J, K and L in their classes.

(b) State two structural adaptations possessed by each of specimens K and L for escaping predators.

(c) Make a drawing, 8 - 10cm long of the lateral view of specimen J.

(d) State: (i) two similarities; (ii) two observable differences between specimens J and L.

(a) Study carefully specimens A, B, C, and D. copy and complete the table below

(b) In a tabular form state four observable differences between specimens A and C.

(c) Crush a small portion of specimen D and divide it into three equal parts. (i) Place a portion on a white tile and add two (2) drops of iodine solution.

(ii) Place another portion in a test tube and add one (1) ml of distilled water and shake. Add few drops of sodium hydroxide solution and shake again. Slowly add a few drop of 1% Copper (ii) sulphate solution. (iii) Smear the third part on a filter paper, leave for about five (5) minutes and observe carefully

Study carefully specimen E and F and use them to answer questions 2(a) to 2(d).

(a) (i) What class of organism do specimen E and F belong to?

(ii) State three similarities between specimen E and F.

(iii) In a tabular form, state three differences between specimens E and F;

(b) State two ways each in which: (i) Specimen E (ii) Specimen F are of economic importance.

(C)(i) State one observable feature each of specimens E and F and how these features adapt the specimens against predation.

(ii) Name the habitats of specimens E and F.

(d) Remove all the wings of specimen E. Make a drawing 8-10 cm long of the dorsal view of specimen E and label fully.

Carefully study specimens J and K and answer questions 4(a) to 4(d).

(a) Name the type of refuse in specimens: (i) J (ii) K.

(b) List three animal vectors of disease causing organisms that breed on a each of specimens J ana K.

(ii) Name four diseases each caused by animal vectors associated with each or specimen J and K.

(c) Name one method of disposal of each of specimens J and K in: (i) rural areas (ii) urban areas.

(d)(i)State four effects of improper disposal of specimen K

(ii) In a tabular form. state five differences between specimens J and K.

(iii) outline one way in which specimen J is of importance to farmers.