When the original king and queen of termites die, they are replaced by
In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to?
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
| Specimen | Part modified to form specimen | Mode of propagation | Stored material |
| A | |||
| B | |||
| C | |||
| D |
(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
