2010 JAMB Biology Past Questions

Which of the following characterizes a mature plant cell?

Which of the following is NOT a function of the nucleus of a cell?

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

Parental care is exhibited by

Use the diagram above to answer this question.

With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

Which of the animals represents the oldest creatures in terms of evolutionary history?

Which of the following groups of cells is devoid of true nuclei?

The main function of the feathers covering the part labelled I is to

Based on the shape and structure of the beak and feet, the bird represented is likely to feed mainly on

Which of the following is true of the transverse section of a dicot stem?

The movement of materials in the xylem and phloem tissues of the plant are represented by the arrows labelled

In the diagram, during photosynthesis, the arrow labelled II represents the

Which of the following is lacking in the diet of a person with kwashiorkor?

The mode of nutrition of sundew and bladderwort can be described as

When a mixture of a food substance and Benedict’s solution was warmed, the solution changed from blue to brick-red. This indicates the presence of

The primary structure responsible for pumping blood for circulation through the mammalian circulatory system is the

Circulation of blood to all parts of the body except the lungs is through

Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and

The sheet of muscle that separates the thoracic and the abdominal cavities is the

The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the

The outer layer of the kidney where the Bowman’s capsules are found is the

Which of the following stimuli is likely to elicit a nastic response in an organism?

In the male reproductive system of a mammal, sperm is stored in the

Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of

The part of the human gut that has an acidic content is the

I. Stomata —> Spirogyra 

II. Alveoli —> Earthworm

III. Malpighian tubule —> Mammal

IV. Contractile vacuole —> Protozoa

Which of the above structures is correctly matched with the organisms in which it is found?

A food chain always begins with a

Mycorrhizae promote plant growth by

The barrier between maternal and foetal blood is the

The blood component that has the greatest affinity for oxygen is the

Which of the following organisms is mainly found in the marine habitat?

The two halves of the pelvic girdle are joined together at the

I. Adoption of appropriate nocturnal habits.

II. Burrowing.

III. Adjusting their internal body temperature.

IV. Possession of many sweat pores.

Which of the above are ways in which desert animals adapt to the extreme heat of the environment?

Low annual rainfall, sparse vegetation, high diurnal temperatures and cold nights are characteristic features of the _____.

The average number of individuals of a species per unit area at the habitat is the

The activity of an organism which affects the survival of another organism in the same habitat constitutes

The loss of soil through erosion can be reduced by

The vector for yellow fever is

The protozoan Plasmodium Falciparum is transmitted by

A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of

In which plantation are all the trees between the height of 2- 4m?

Which of the following is a true feature of plantation II?

Thyroxine and adrenalin are examples of hormones which control

A pair of genes that control a trait is referred to as

The chromosome number of a cell before and after the process of meiosis is conventionally represented as

If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

At what stage in the life history of a mammal is the sex of an individual set?

The main distinguishing features between the soldier termite and other members of the caste are the

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