JAMB Biology 1997 Past Questions

The structure labelled I is the

Protein is synthesized in the part labelled

Which of the following is the youngest plant tissue

Viruses differ from all forms of life because they

The endoplast cells found in hydra are used for

Annelides differ from nematodas in that they

Which of the following performs similar functions?

In ferns, the sporophyte

The group of insects that undergoes complete metamorphosis is

The nitrogenous substance that is excreted by birds in order to conserve water is

In mammals, the exchange of nutrients and metabolic products occurs in the

the part of the stomach nearer the gullet is called th

Trace elements are required by plants mainly for the

The part that is similar to the bone is labelled

The part labelled I and II constitute the

A food substance was treated with a few drops of Sudan III solution and a red coloration was obtained. The food contained

Oozing out of water from the leaves of plants in a humid environment is known as

The element that is essential for the coagulation of blood is

Anaerobic respiration differs from aerobic respiration by the production of

Stomatal pores open when there is

The process of deamination is essential for the

A band of connective tissue linking two bones in a joint is known as

The appendicular skeleton is composed of the pectoral girdle

The companion cells are part of the

In which of the following groups of vertebrates would the largest amount of yolk be found in the egg?

The function of the part labelled V is for the passage of

The female gamete is represented by

The type of vegetative reproduction illustrated in the diagram above is

coconut and oil palm fruits can be grouped as

The substance that is responsible for optical dominance in plants is known as

The part of the brain that regulates most biological cycles in humans is

The ability of the eye to focus on both near and distant objects is termed

The speed of wind can be measured with an instrument called

Which organism in the food-web illustrated above is an omnivore?

Toads and lizards in an ecosystem depend on a limited quantity of food. This is an example of

Adaptive features of plants to desert conditions include

The Southern Guinea Savanna differs from the Northern Guinea Savanna in that it has

After a heavy rainfall and the formation of a large pond, the most likely sequence of changes in the vegetation of the pond is

In a soil sample, the relative amouunts of the different soil particles can best be determined by the process of

Which is the most important pollutant of the marine environment in Nigeria?

One of the most effective ways of controlling guinea worm is by

During binary fission in lower organisms, the nucleus is known to undergo

One reason for the success of Mendel's work is that the

The homozygous condition Hb^sHb^sresults in sickle cell anaemia whereas Hb^AHb^s has the sickling trait. What is the probability that a couple with the sickling trait will give birth to one normal child?

Which of the following characters is NOT sex-linked?

What combination of character should a prey develop to survive the environment of its predator?

Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because

Long neck in giraffe is used to illustrate the theory of

Water loss is regulated in plants and animals by both the