JAMB Biology 2006 Past Questions

Night-blindness result from a deficiency of

The product of excretion common to the mammalian kidney, lung and skin is

An increase in air pressure in the lungs is due to the

One basic similarity between nervous and endocrine system is that they both

The organ situated in the pericardia cavity of a mammal is the

A unique characteristics of the cervical vertebrate is the presence of

In rabbit the chamber of the heart that receives oxygenated blood from the lungs is the

The formation of water in the tissue respiration results from the

Water is necessary for a germinating seed because it

Which of the following produces both hormones and enzymes

The mammalian vein which starts with and ends in a capillary network is the

In the transverse of a dicot sperm, the region lying between the endodermis and the vascular bundle is the

The two normal types of sex chromosomes are

One advantage of variation in a species population is that individuals

Mendel's second law of inheritance states that

The intensity of competition among animals in a given area will increase with

The part of the mammalian skin involved in temperature regulation is the

The role of the Golgi complex in a eukaryotic cell is to

The dominant phase in the life cycle of a bryophyte is the

The evidence that supports the advancement of ferns over mosses is derive from

Which of the following vertebrates has the most simple structured heart

One primitive feature of the coelenterates is the possession of

A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the

An organism which exhibits extracellular digestion is

The causative agent of typhoid fever is

Grasses recover quickly from bush fires in the savanna because of their

Climax communities in a biotic succession are usually characterized by

The soil type that contain nutrients which are not readily available for plants is

A population that doubles in size at constant intervals is an indication of

Hassan and Hussain are identical twins but Hassan grows taller and fatter from Hussain. This is probably because

The organ through which the embryo receives food, water and oxygen is labelled

Mammals are capable of producing hypertonic urine mainly because of re-absorption in the

Using the diagram, sexual reproduction is illustrated in

Using the diagram, A plant that exhibits the type of reproduction shown in IV is

Using the diagram, the part labelled IV is for

In the diagram, the organ through which the embryo receives food, water and oxygen is labelled

The diagram represents the structure of

In the diagram, the part labelled I represents the

In the diagram, the change in the length of the neck of the giraffes shown was brought about by

In the diagram, the variation illustration is

In the diagram, The economic importance of the larva is that it

In the diagram, the type of adaptation shown in the larva is

In the diagram, The maxillary palp is labelled

In the diagram, the structure labelled I is sensitive to

In the diagram, A unique characteristic that distinguishes the class of vertebrates represented from other vertebrates is the presence of

In the diagram, the structures used for offense and defense are labelled

In the diagram, Which of the following can be decided from the distribution?

In the diagram, the species whose distribution is not affected by rainfall is

In the diagram, the importance of the association to the fungus is that it obtains

In the diagram, the association illustrated demonstrates