WASSCE

OBJECTIVES 5. The opening of the guard cells of the epidermis in plants is by the process of A. osmosis. B. diffusion. C. active transport. D. transpiration. 6. When a spirogira filament is placed in a concentrated salt solution for 30 minutes, the cell would become A. plasmolysed. B. turgid.…

OBJECTIVES 1. Which of the following cell inclusions can destroy other cell organelles? A. Centriole. B. Ribosome. C. Lysosome. D. Mitochondrion. 2. The structure of the cell membrane is A. double layer and a double protein layer. B. middle bi-layer of protein with a lipid layer on either surface. C.…

OBJECTIVES 1. The organism at the organ level of organization of life is. A. Euglena. B. Spirogyra. C. Ginger. D. Tapeworm. 2. The disadvantage of complexity of organization in the higher organisms is that it leads to A. mutual interdependence between component cells. B. internal structural specialization. C. increased adaptation…

OBJECTIVES 1. The science of life is referred to as A. anatomy. B. biology. C. ecology. D. phylogeny. 2. A student dissecting an animal specimen discovered that it had two auricles and one ventricle. The animal is likely to be a/an A. fish. B. reptile. C. amphibian. D. bird. 3.…