JAMB Biology 1999 past questions

The habitat of the cysticercus of Taenia solium is

The part that will develop into an organ for feeling is labelled

The organism that has a hydrostatic skeleton is

The part labelled II is the

These possession of scales, laying of eggs with shells and bony structure of the head are characteristics s hared by

Which of the following features are all associated with monocots?

The group of Arthropods that has no antennae is the

The set of fins that controls steering, balancing and change of direction and pitch in fish is

The structure that is most commonly identified in all living cells under the light microscope is the

The most recently evolved structure in animals is the

Which of the following is an organ?

Coelom is absent in the class of animals termed

The structure labelled II is used for

The structure labelled III represents the

The order in which organic evolution has progressed in plants is

The division of a body into two equal halves along a l ongitudinal plane is called

In which of the following organisms does each cell combine the function of nutrition, reproduction and growth?

The key event in the transition of the amphibians from water to land is the

In plant cells, the chloroplasts are located

In woody stems, gaseous exchange take place through the

Substances manufactured by the leaves are transported to other parts of the plant through the

After a meal of yam has been digested the highest concentration of glucose is to be found in the

The dark reaction of photosynthesis involves

Mammals acclimatize to reduced oxygen content at high altitudes by

The modes of nutrition in Nitrobacteri Ascaris and Homo sapiens respectively are

The richest sources of vitamin A are

The force that holds water together in the form of a stream within the xylem tube is the

Yellowing of leaves is a symptom associated with deficiency of

The lymphatic system of mammals rejoins the blood circulatory system at the

In dissection, the rib cage of a mammal has to be opened in order to expose the

Fertilization in humans usually takes place in the

Insects visit flowers in order to

In epigeal germination, the cotyledons are

Bacteria multiply rapidly by means of

The correct sequence for the operation of smell in mammals is

The part labelled III is for

The structure labelled II is known as

In mammals, the organ which performs digestive and endocrine functions is the

The chitin in the exoskeleton of many arthropod is strengthened by

The structure labelled II articulates with III to form a

Which of the bones is the radius?

The construction of dams may lead to an increase in the prevalence of

Floating microscopic heterotrophs are mostly grouped as

Vaccination is carried out in order to

The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as + 0 is known as

Primary consumers are found in

The biomass is likely to increase in the sequence

Which of the following characterized the white mangrove?

If the offspring of a cross between brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result?

The biological factor that is unique to each individual is the

From an evolutionary standpoint, the older a fossil- bearing rock is the more likely it is to contain

Toes of the feet ending in a sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in

The very bright colours in some types of mushroom

The least adaptive feature for arboreal life is that

In the whistling pine leaves are reduced to brown scale and young stems are green. This is an adaptation for

Which of the following is one of Lamarck's theories?

The loud cry made by a brooding hen when a predator is around is meant to [PAGE 41]

The basic point of impact by changes which produce mutation is the

The most important environmental factor which epiphytes in the rain forest compete for is