1991 WAEC SSCE Biology Past Questions

1991

The number of individuals in a habitat in relation to the unit space available to each organism is referred to as the

1991

fewer number of trees is characteristic of the Savanna zones of Nigeria because

1991

I.Plasmodium II. Vibro Choleroe III. Gonococcus sp IV. Poliomyelitis virus V. Syphilis bacteriaWhich of the following organism are transmitted by houseflies?

1991

Predators are beneficial in pest control because they

1991

Succession is best described as

1991

Which of the following may not contribute to environmental pollution?

1991

Species do not change in order to survive. The environment determines which organism survives to reproduce. These statements

1991

The adaptation for water conservation in organisms include the following except

1991

Which of the following limiting resources is competed for by organism in the desert?

1991

Which of the following is not a way of conserving natural resources?

1991

Agglutination occurs in blood transfusion when the

1991

The practice of warming soup regularly as it concerns food preservation is essentially to

1991

The wing of a bat and that of a bird, the flippers of a whale and the fins of s fish are example of

1991

who formulated the theory of natural selection in evolution?

1991

The phenomenon whereby some organisms with certain features get established in an environment is known as

1991

which of the following statements best explains the term aestivation?

1991

Which of the following structures is a protective adaptive feature of the Agama lizard to terrestrial habitat?

1991

Which of the following statements best explains the meaning of homologous chromosomes?

1991

In an individual who is heterozygous for a particular character, the hereditary factor that is always expressed is described as

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