2018 JAMB Biology Past Questions

A group of closely related organisms capable of interbreeding to produce fertile offspring are known as members of a

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 the cell is considered a very important component because it

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After an hour, the level of water in the thistle funnel will

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The experiment above is used to demonstrate the process of

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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 distilled water 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 summarized 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 their 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 below.

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 below.

What physiological term can be used to describe the regulation of the body temperature 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? it

Which of the following organisms is a primary consumer?

Study the diagram of a food chain shown below and use it to answer the question below

The organism designated P in the food chain above is normally sustained by energy from

Study the diagram of a food chain shown below and use it to answer the question below

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 includes the following except

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The diagram shows that the organisms are

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The breeding posture illustrated in the diagram is known as

An accurate identification of a rapist can be carried out by conducting a

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted

The flippers of a whale and the fins of a fish are examples of