WAEC – Biology – 1991
This quiz consist of over 50 WAEC Biology past questions and answers. The answers are well explained with scriptural references. Retake the quiz as many times as you feel the need. Success!
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#1 The cell is a functional unit of a living organisms because
multi-cellular organisms are made up of cells
all the cells in a multi-cellular organisms function as a single cell
the function of a multicellular organisation is the sum total of functions of its constituent cells
the function of a single cell is superior to that of the multi-cellular organisms
the cells of a multi cellular organisms are similar in structure
#2 The organelle which eliminate water from the body of protozoa is
#3 Spirogyra is regarded as a multi-cellular plant because
its cells are linked together by cytoplasmic strands
the filaments consist of one cell only
the cylindrical cells are linked in end to end
its cells are joined to form organs
it is an alga containing large vacuole
#4 The mechanism of gaseous exchange in living organisms is essentially by
#5 Which of the following statements is correct about diffusion?
molecules move from a region of higher concentration to a region of lower concentration
it occurs when a solute can no longer dissolve in a solvent
it involves the movement of solute molecules into a Bowman's capsule
it involves the movement of water molecules only
deferentially permeable membrane must be present for diffusion to occur