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Waec 2000 Biology Past QuestionsQuestion 11:In which of the following organisms is ammonia excreted as a waste product? A. Man B. Bird C. Amoeba D. Spirogyra Question 12:The following are the functions of supporting tissues in plant except A. Rigidity B. Flexibility C. Strengthening D. Secretory Question 13:Which of the following organisms has the largest surface area-to-volume ratio? A. Man B. Earthworm C. Amoeba D. Grasshopper Question 14:Which of the following plant parts does not perform supportive function? A. Parenchyma, xylem and . collenchyma B. Epidermis, sclerenchyma and xylem C. Parenchyma, collenchyma and sclerenchyma D. Sclerenchyma, xylem and collenchyma Question 15:The following are useful effect of micro-organisms except A. Production of vaccines B. Curing of tobacco C. Tanning of leather D. Decay of meat |
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