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“Factors contributing to poor mathematics performance in KCSE among learners in public secondary schools in Limuru sub-county Kiambu county -Kenya. ”
11. The diagram below represents a stage during cell division. a) (i) Identify the stage of cell division. (1mk) ………………………………………………………………………………………………… ………………………………………………………………………………………………..… (ii) Give two reasons for your answer in a (i) above. (1mk) ………………………………………………………………………………………………… ………………………………………………………………………………………………….. ………………………………………………………………………………………………..… ………………………………………………………………………………………………..… b) Name the structure labeled M. (1mk) ………………………………………………………………………………………………… ………………………………………………………………………………………………..… 12. Explain why several auxiliary buds sprout when a terminal bud in a young tree in removed. (2mks) ………………………………………………………………………………………………… ………………………………………………………………………………………………….. ………………………………………………………………………………………………..… ………………………………………………………………………………………………… 13. Study the diagram below and answer the questions that follows. (a) What is the phylum X ? (1mk) ………………………………………………………………………………………………… ………………………………………………………………………………………………..… (b) Name the classes labeled a and b. (2mks) a …………………………………………………… b ……………………………………………………. 17 (a) Define the following terms as used in genetics: (2mks) (i) Mutation ………………………………………………………………………………………………… ………………………………………………………………………………………………..… …………………………………………………………………………………………… (ii) Mutagen ………………………………………………………………………………………………… ………………………………………………………………
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