A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a
JAMB Biology 2018 Past Questions
Practice each question, then open it to see the full details.
A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were
The cytoplasm of a cell is considered a very important component because it

Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will

Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the
Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as
The curvature movement of plants in response to the stimulus of water is called
The overall reaction in glycolysis can be summarised as
The longest bone in the body is the
Which of the following structures is not a skeletal material?
The reason why the flow of blood through the capillaries is very slow is
Which of the following groups of organisms has kidney as the excretory organ?
Which of the following features is not a characteristic of arteries? Arteries

The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
Which of the statements below is valid?

The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
What physiological term can used to describe the regulation of the body temperature of the of the Lizard?
The reason why hospitals use saline solutions as drip Instead of water is
The part of the ear which contains nerve cells sensitive to sound vibrations is the
Spectacles with convex lenses correct long-sightedness by
A seed of a flowering plant can best be described as
Which of the following processes removes carbon from the atmosphere?
Which of the following cycles involves the process of precipitation and transpiration?
What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem?
Which of the following instruments is used to estimate the number of plants in a habitat?
Which of the following statements is true about sandy soil?
Which of the following organisms is a primary consumer?
Study the diagram of a food chain shown and use; it to answer the question.
P ---> Q ---> R ---> S ---> T
The organism designated P in the food chain above is normally sustained by energy from
Study the diagram of a food chain shown and use; it to answer the question.
P ---> Q ---> R ---> S ---> T
Which of the following statements best describes the organism designated R? It
Which of the following diseases is not hereditary?
The immediate product of meiosis in flowering plants is the
DNA in eukaryotic cells is contained in the
A man who is heterozygous for the disease haemophilia marries a woman who is double recessive for haemophilia. What percentage of their offspring would have the disease?
Cytokinesis of mitosis is a process that ensures that
An animal which is active during the day is known as a
Evidence of evolution include the following except

Use the diagram to answer the question. The diagram shows that the organisms are

Use the diagram to answer the question. The breeding posture illustrated in the diagram is knows as
An accurate identification of a rapist can be carried out by conducting
A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is like to have contracted?
The flippers of a whale and the fins of a fish are examples of
According to James, when we meet various trials in life, we should_____________
The yellowish colored liquid component of blood that normally holds the blood cells in suspension is
The function of pith in plant is
A pollutant that is mostly associated with acid rain is
What it the function of contractile vacuole in paramecium
An organism which exhibit extracellular digestion is
How many days does is used for incubation of an egg to release chick
The four classes of cnidarian include the following except

What would happen if solution Y is more concentrated than solution X in fig 2
Physiological adaptation to very dry conditions in animal demonstrates