JAMB Biology 2004 Past Questions

The endoplasmic reticulum is represented by the part labelled

The part labelled II is responsible for

The rods in the retina of the eyes are examples of

The absence of special food and water-conducting systems restricts the body size in

A plant-like feature in Euglena is the

The most common characteristic of the fungal hyphae is the possession of

Insects are considered the most successful among the invertebrates because they

the larval stage of a mosquito is called

the function of the long-winged reproductives of the termites colony is to

A peculiar characteristics of mammals is that they

In the internal structure of plants, a wide pith in the centre is common to

The gall bladder of mammal has a duct connected to the

All living cells require water because it

The breakdown of fats and oils into simpler absorbable compounds is catalyzed by the group of enzymes called

Yam is used in this set-up because it

Which of the following results is to be expected if the set up is left for several hours?

The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as

The anaerobic fermentation of a glucose molecule yields

The opening of the stoma is controlled by the

The sweat gland is the structure labelled

The function of the part labelled III is to

The type of reproduction that is common to both Hydra and yeast

The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because

Epigeal germination of a seed is characterized by

Nervous control differs from hormonal control in that the former

If a nursing mother is not producing enough milk, her hormonal system is probably deficient in

The two keys cation involved in the action potential of nervous transmissions are

A caterpillar and an aphid living in different parts of the same plant can be said to

Ecological ZoneTemperature (^oC)Rainfall (mm)I45300II322000III302200IV15800
From the table above high relative humidity will be expected in zones

Ecological Zone	Temperature (oC)	Rainfall (mm)
I	45	300
II	32	2000
III	30	2200
IV	15	800

From the table above which of the zones is likely to be desert?

The association between termites and the cellulose - digesting protozoans in their guts is an example of

The progressive loss of energy at each level in a food chain leads to

One of the adaptation of reptile to water loss is the presences of

A state in Nigeria that is most susceptible to desert encroachment is

The scarcity of food causes a sudden decrease in population size by

The soil type that will be most difficult to plough in a wet season is one that is

A farm practice that result in the loss of soil fertility is

Paternity dispute can most accurately be resolved through the use of

In a Mendelian cross of red and white varieties of the four O"clock plants, the F₁ generation expresses incomplete dominance by having flower which are

Identical twins inherit their genes from

Sex - linked genes are located on

Which of the following is an example of intraspecific competition?

Plants survive hot dry conditions by

Rodents gnaw on food with their

The spots and stripes of the leopard and tiger are example of

An evidence of the relationship between living organisms and their extinct relatives can best be obtained from

The process of pollination involves the transfer of pollens from

The part labelled II is the

The bones labelled II are called

The type of joint between adjacent bones in the part labelled II is the