FORM FOUR POST MOCK KILIMANJARO BIOLOGY EXAMINATION

SECTION B (54 Marks)
3. Due to the occurrence of ringworm caused by fungi, many people view fungi as a threat. Briefly explain how you would educate them on benefits of fungi in our daily lives. (Give six Points).

5. Ebola is among the threatening diseases caused by pathogens.
(a) Identify the causative pathogen for Ebola
(b) Outline two ways of Ebola disease transmission.
(c) State any four preventive measures for Ebola disease.

6. (a) In cold humid weather, humans usually produce a large quantity of urine that is colorless, comment on this statement.
(b) How is temperature in human being maintained in cold environment? Give four points
7. (a) Darwin’s theory of evolution is based on observations and deductions
i. Identify any three observations and
ii. Three deductions of Darwin’s theory of evolution.
(c) Describe any three secondary sexual characteristics that develop during adolescence in girls.

8. Many youths engage in bad had habits of using drugs such as cocaine and marijuana. What do you think are the causes of the youth to engage in drug abuse? (Give six points)
SECTION C (30 Marks)

Answer Two (2) questions from this section.
9. The human body has defense systems that either prevent pathogens from entering the body or destroy them when they enter the body. Explain how the body naturally prevent or destroy pathogens into it. Give five (5) points.

10. In our community there are people who believe that inserts need to be eliminated because they are destructive. In six points explain how insects are beneficial to humans to educate the community.

11. One family was quarreling due to their baby girl being an albino while neither of the couple was albino. The father of the child was complaining that the mother was responsible for the child being an albino. By using genetical diagrams that are well illustrated show how each of the two parents are responsible for the albinism of their daughter and not the mother only. Use capital “A” as the dominant gene.