BIOLOGY TRIAL QUESTIONS
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1 (a)(I) List two diseases each of plants and animals caused by bacteria.
(II) State three ways in which bacteria are useful.
b State three method by which mosquitoes can be controlled and state the reasons for each methods listed.
C Describe an experiment to demonstrate the presence of bacteria under the finger nails.
2(a) List three major zone in the marine habitat, stating one characteristics feature of each zone.
b(i) Give one example of plants and animals in the marine habitat
(ii) Explain how each of the plants and animals is adapted to the habitat.
C State three behavioural adaptation of animals to seasonal changes in terrestrial habitat.
d State three characters each of the plant community in the tropical rain forest and Savannah.
3(a) What is a hormone?
(b). Outline the roles played by adrenaline in an emergency situation.
(C) In a tabular form, list five differences between hormonal co-ordination and nervosa coordination.
(d) Name three animals hormones and two plants hormones
4(a) (i) Defined the law of independent assortment
(ii) State the findings from Mendel's experiment involving white-flowered and red flowered pea plants .
(iii) illustrate these findings by means of simple diagrams.
(b) Explained why blood group A and B in man can exist both in heterozygous and homozygous conditions while blood group O can only exist in homozygous state.
5 (a) What is an ecosystem ?
(b) Name two abiotic factors each affect plants and animals in a territorial habitat
(C) state four factors that bring about compilation among organisms
(d) Outline the relationship between competition and Success.
6 (a)(i) Explain briefly Drawins theory of Natural Selection
(ii) List five evidence to support the occurrence of evolution.
WASSCE -BECE-NOVDEC-NABPTEX
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