2009 JAMB Biology Past Questions

The level of organization of an onion bulb is

A characteristic exhibited by all living organisms is

In a cell, the genes are carried by

Alternation of asexual and sexual modes of reproduction is found in

The first terrestrial vertebrates evolved from

In plants, the structures that play roles similar to the arteries and veins of animals are the

A blue-green alga is not a protophyte because

The structure labeled X is for

In the diagram, the habitat of the organism is

The feature that makes locomotion in water easy for fish is the

Bird toes suitable for digging have claws that are

Chewing the cud is an adaptation peculiar to

The structure that controls loss of water vapour during transpiration is labelled

The part labelled I is the

Which of the following is an example of a carnivorous plant?

Emulsification of fats takes place in the part labelled

The content of the part labelled III is usually

The part of the alimentary system of a bird where food is ground into small particles is the

Which of the following describes the sequence of blood flow from the heart to a tissue?

The enzymes of the glycolytic pathway are located in the

In insects, the structure that performs the same function as the kidney in man is the

The axial skeleton is found in the

The male sex cells are contained in the part labelled

The likely pollinating agent of the flower is

The reproductive system of a male mammal is made up of

In a bean seed, absorption of water at the beginning of germination is through the

In the diagram, the eye defect illustrated is

In the diagram, the function of the correcting lens is to

The most important ecological factor in a terrestrial environment is

The association between bacteria residing in the caecum and the ruminant is

A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is

In freshwater marshes and swamps, the most important abiotic factor that organisms have to adapt to is

Which of the following biome could be characterized by very low rainfall, cold nights, hot days and fast blooming plants?

In the diagram, the zone of physiological stress is represented by

In the diagram, the optimum temperature for the growth of the organism is

Mass of a crucible = 10g

Mass of a crucible and soil before heating = 29g

Mass of a crucible and soil after heating = 18g

From the information above, determine the percentage of water in the given soil sample.

I. Onchocerciasis
II. Schistosomiasis
III.Salmonellosis
IV. Meningitis

Which of the diseases listed above are associated with water?

The major cause of global warming is the

The uniqueness of an individual organism in a population is accounted for by

A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as

A farmer’s assumption that the seed from a good harvest will produce a good yield is explained by the theory of

In Mendelian inheritance, discontinuous characters are controlled by the

A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue (tt).

What is the probability of each of their children being a tongue roller?

A health condition that is known to have resulted from gene mutation is

Plants that grow in an area that is neither too wet nor too dry are

The part of a domestic fowl responsible for preventing heat loss is the

Which of the following animals is most adapted for water conservation?

The specialized pigment cells that are involved in colouration and colour change in animals are the

During the dry season in the tropics, the body metabolism of some animals slows to a minimal level in a process referred to as

According to Darwin, the driving force behind evolutionary change is