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16. Human health Questions And Answers

16. Human health Questions 1.  a) Name the causative agent of cholera.    b) Name the intermediate hosts in the life cycle of the following

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15. Support and movement in (a) Plants (b) animals Questions And Answers

15.  Support and movement in (a) Plants (b) animals Questions 1.  Explain how the following tissues are adapted to provide mechanical support in plants:-  

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14. Irritability and sensitivity in (a) plants (b) animals Questions And Answers

14. Irritability and sensitivity in (a) plants (b) animals Questions 1.  Give two functions of the exoskeleton in arthropods. 2.  When shoots of young plants

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13. Evolution Questions And Answers

 13. Evolution Questions 1.  a) Distinguish between homologous and analogous structures in evolution.  b) Name one vestigial structure in mammals. 2.  a) Give two examples

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12. Genetics Questions And Answers

 12. Genetics Questions 1.  A woman with blood group A gave birth to twins both having blood group AB.  Determine the genotype of:  a) Father

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11. Growth and development in (a) plants (b) animals Questions And Answers

 11. Growth and development in (a) plants (b) animals Questions 1.  a) Name the hormone which controls moulting in insects.  b) State the importance of

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10. Reproduction in (a) plants (b) animals Questions And Answers

 10. Reproduction in (a) plants (b) animals Questions 1.  a) Name the part of an ovule that develops into each of the following parts of

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9. Ecology Questions And Answers

9.  Ecology Questions 1.  A student wanted to estimate the number of grasshoppers in 5km2 grass field near the school compound. Using a sweep net

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8. Excretion and homeostasis Questions And Answers

 8. Excretion and homeostasis Questions 1.  Explain the following:-  i) Fresh water fish excrete ammonia ii) Glucose is absent in urine yet present in glomerular

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7. Respiration Questions And Answers

7. Respiration Questions 1.  (a) Distinguish between gaseous exchange and respiration  (b) Name the products of anaerobic respiration in plants 2.  (a) State two phases

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6. Gaseous exchange in (a) plants (b) animals Questions And Answers

 6. Gaseous exchange in (a) plants (b) animals Questions 1.  a) Name the site of gaseous exchange during breathing in mammals.  b) State three characteristics

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5. Transport in (a) plants (b) animals Questions And Answers

 5. Transport in (a) plants (b) animals Questions 1.  Explain why a fresh wound on the skin bleeds more on a hot sunny day than

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4. Nutrition in (a) plants (b) animals Questions And Answers

 4. Nutrition in (a) plants (b) animals Questions 1.  The chemical equation below represents a physiological process that takes place in living organisms:  C6H12O6 +

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3. Cell Physiology – Osmosis, Diffusion and Active transport Questions And Answers

3. Cell Physiology – Osmosis, Diffusion and Active transport Questions 1.  Two equal strips A and B were from a potato whose cell was 30%

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2. The cell – structure & functions of organelles Questions And Answers

 2. The cell – structure & functions of organelles Questions 1.  Name the organelles that perform each of the following functions:  a) Digestion and destruction

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1. Classification I & II Questions And Answers

1. Classification I & II Questions 1.  Name two classes of phylum arthropoda with cephalothorax.   2.  List any three distinguishing features of class mammalia.