Biology 2008 WAEC Past Questions

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Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because

The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to

A community is best described as

A. living things in a habitat interacting with the non-living part of the environment
B. the total number of individuals of one species of organisms living in a particular habitat
C. populations of different species living together and interacting with each other in one habitat
D. the individuals of a particular group living together in an area and sharing the same resources

Which of the following physical actors is likely to affect the distribution of plants in a pond?

Which of the following instruments is used to measure wind speed?