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Form Four Biology Paper One Question Paper

Form Four Biology Paper One 

Course:Secondary Level

Institution: Kcse question papers

Exam Year:2011



End term one
1. State the functions of each of following organelles
a. Necleolus
b. Golgi apparatus
2a. Which structures make angiospermaphyta more efficient in transport of water and mineral salts than the gymnospermaphyta
b. How are the structures named in (a) adapted to that functions
3. Differentiate between gulation and transpiration
4. State the sold of the following mineral salts in human body
a. Iron
b. Calcium
5. Name the process in human beings that may lead to addition loss of one or more cheemosmes
6. State two of polyploidy in plants to a farmer
7. Explain how stolen stomach lower rate of transpiration
8. Name the respiratory surfaces of the following organisms
i. Spider
ii. Mosquito
iii. Nile perch
9. What are the functions of the following harmones in the females
a. Follicle stimulating harmone
b. Oxytocin
10. State two adatat of a molar tooth to its function in mammals




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