Biology, 2006, WASSCE/WAEC MAY/JUNE, Exam, Paper 1

61 - 64 of 64 Questions

#	Question	Ans
61.	Which of the following vertebrae provide articulating surfaces for the ribs? A. Thoracic B. Lumbar C. Cervical D. Sacral	A
62.	The ventricles of the mammalian heart have thicker muscular walls than the auricles because the A. ventricles are larger B. ventricles receive more blood C. ventricles pump blood to longer distances D. auricles have smaller capacity	C
63.	The physical and chemical factors which affect the life of organisms in an environment are described as A. biotic B. edaphic C. abiotic D. physiographic	C
64.	Which of the following orders correctly represents the trend in eutrophication? A. Lack of oxygen → Death of aquatic organisms → Massive algal growth B. Excess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms C. Heavy mineralization → Lack of oxygen → Massive algal growth D. Excess nitrates and phosphates → Lack of oxygen → Massive algal growth → Death of aquatic organisms	B

61.	Which of the following vertebrae provide articulating surfaces for the ribs? A. Thoracic B. Lumbar C. Cervical D. Sacral	A
62.	The ventricles of the mammalian heart have thicker muscular walls than the auricles because the A. ventricles are larger B. ventricles receive more blood C. ventricles pump blood to longer distances D. auricles have smaller capacity	C

63.	The physical and chemical factors which affect the life of organisms in an environment are described as A. biotic B. edaphic C. abiotic D. physiographic	C
64.	Which of the following orders correctly represents the trend in eutrophication? A. Lack of oxygen → Death of aquatic organisms → Massive algal growth B. Excess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms C. Heavy mineralization → Lack of oxygen → Massive algal growth D. Excess nitrates and phosphates → Lack of oxygen → Massive algal growth → Death of aquatic organisms	B