Jamb 1998 Biology Past QuestionsQuestion 1:The nucleus is considered the central organelle of a cell because it A. Contains the genetic material B. Contains the nuclear sap C. Is bounded by the nuclear membrane D. Is located at the center of the cell Question 2:The procaryotic cell type is characterized by a A. Complex cytoplasm in which different regions are poorly defined B. Localization of different regions of the cell into tissues C. Collection of organelles and macromolecular complexes D. Simple cytoplasm with well defined regions Question 3:The natural tendency of organisms as they evolve is to A. Decrease in size B. Increase in number C. Develop specialize structure D. Feed indiscriminately Question 4:In snails, the hard calcareous shells are secreted by the A. Radula B. Ctenidium C. Pneumostome D. Mantle Question 5:The structure labelled I is formed as a result of the fusion of A. Two pairs of nuclei B. Several pairs of nuclei C. A pair of nuclei D. Two pairs of nucleoli |
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