Biology 1988 WAEC Past Questions

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Which of the following steps would not be taken to protect or conserve fishing grounds from over-exploitation?

A. . Use of nets with all sizes of mesh
B. Use of nets with a particular mesh size
C. Ban on harvesting of some species
D. Regulating the size of ships allowed into fishing grounds
E. Limiting the period of fishing in the waters

View Answer & Discuss WAEC 1988

Which of the following .is not part of the objectives of conservation of natural resources?

A. To eliminate wild animals in order to enable other plants and animals survive
B. To use our resources on sustained yield basis
C. To guard against indiscriminate killing of plants and animals
D. To guard against the extinction and exhaustion o natural resources
E. To protect the environment

View Answer & Discuss WAEC 1988

During blood transfusion, agglutination may occur as a result of the reaction between

A. similar antigens and antibodies
B. contrasting antigens and antibodies
C. two different antigens
D. two different antibodies
E. white blood cells from the two individuals.

View Answer & Discuss (6) WAEC 1988

Which of the following major ideas were proved by Gregor Mendel?

A. There is a tendency among organisms `to increase rapidly in number if conditions are favourable
B. There is a struggle for existence among a very large number of offspring
C. Nature selects organisms which will survive to produce their kind
D. All species exhibit structural and functional variations
E. Characteristics of an organism are controlled by genes occurring in pairs

View Answer & Discuss WAEC 1988

Assuming that ‘A’ is gene for normal skin and it is dominant, while ‘a’ is gene for albinism and it is recessive,
what is the likely genotype of a couple which had 50% normal and 50% albinos?

A. AA,Aa
B. AA,aa
C. Aa, Aa
D. Aa, aa
E. AA,AA

View Answer & Discuss WAEC 1988

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