1989 JAMB UTME Biology Past Questions

1989

Aged erythrocytes are dissolved in the

1989

Exponential increase in the population of an organism is a characteristic feature off

1989

A corn differs from a bulb in that

1989

The components of castor oil seed and the maize grain are similar EXCEPT for the

1989

Wind pollinated flowers usually have

1989

when the two alleles present in an organism are of the same type, the genotype is described as

1989

During cell division, the two strands of chromosomes are joined at a point called

1989

The region that control most of the unconscious processes of a mammalian body is the

1989

A fundamental similarity between nervous and hormonal system is that both

1989

Fruit enlargement can be induced by spraying young ovary with

1989

A physiological adaptation of plants to the problem of excessive water loss is

1989

Lichen is an example of

1989

In an ecosystem, the LEAST efficient energy transfer link is from

1989

Which of the following is a sex-linked character?

1989

If parents with blood groups AB and O produce six children

1989

Most irrigated lands often become unproductive in later years because of

1989

5 g of oven dried soil was heated in a furnace for 24 hours. After cooling, it weighed 4.8 g. What is the amount of humus in the soil?

1989

Which of the following is a dangerous product of coal burning?

1989

Which of the following disease can be caused by a bacterium?

1989

Which of the ways of controlling bilharzia can result in pollution?

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