JAMB UTME - Biology - 1986

Nastic movement is

Détails de la réponse

Which of the following ecological factors are common to both terrestrial and aquatic habitats?

Détails de la réponse

A larger percentage of tropical soils tends to be acidic because they

Détails de la réponse

Which of the following pairs are fully adapted to terrestrial life?

Détails de la réponse

Which of the labelled parts will develop into a new maize plant?

Détails de la réponse

If a person is bitten by a snake on the leg, it is advisable for him to

Détails de la réponse

Which of the following lacks chaetae, tentacles and antennae?

Détails de la réponse

In community, bacteria and fungi are referred to as

Détails de la réponse

Deamination occurs in the

Détails de la réponse

Which of these is a trace element?

Détails de la réponse

Gestation in mammals is the period

Détails de la réponse

The aperture between the left auricle and the left ventricle is guarded by the

Détails de la réponse

The stem differs from the root in having the xylem and phloem strands

Détails de la réponse

An instrument that can be used to demonstrate phototropism and geotropism in plants is the

Détails de la réponse

The swollen shoot disease of cocoa tree is caused by a

Détails de la réponse

Evidence that a tooth is a living part of the mammalian can be found within the

Détails de la réponse

The main organic substances found in the human body are

Détails de la réponse

Incomplete metamorphosis occurs in the

Détails de la réponse

Which of the following is NOT true of spirogyra?

Détails de la réponse

The severe deficiency of vitamin C leads to

Détails de la réponse

Which of the following elements is essential for the formation of haemoglobin?

Détails de la réponse

Two main distinguishing features of the cervical vertebra are the presence of

Détails de la réponse

The equation that can be used to summarize the process of anaerobic breakdown of sugar is

Détails de la réponse

The fins making up the limbs of the bony fish are

Détails de la réponse

Which of these disease CANNOT be prevented by immunization?

Détails de la réponse

The following are methods of soil conservation EXCEPT

Détails de la réponse

Which of the following statement is NOT correct with respect to inhalation in mammals? The

Détails de la réponse

Which of the following has cones?

Détails de la réponse

The male cockroach differs from the female by having

Détails de la réponse

In the mammalian skin, melanin and keratin are contained in the

Détails de la réponse

The main function of the structure labelled 2 is to

Détails de la réponse

A major limitation in the use of the potometer for measuring the rate of transpiration is that

Détails de la réponse

The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if

Détails de la réponse

Viruses are regarded as non-living because they

Détails de la réponse

Which of these animals is radially symmetrical?

Détails de la réponse

The hormones which regulates the amount of glucose in the blood is called

Détails de la réponse

Oxygen liberated during photosynthesis has been demonstrated to come from

Détails de la réponse

Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata

Détails de la réponse

In an agricultural ecosystem, the biotic component consists of

Détails de la réponse

Blood circulation in a mammalian is said to be double because

Détails de la réponse

Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in

Détails de la réponse

In an ecosystem, animals which feed directly on plants are called

Détails de la réponse

When the original king and queen of termites die, they are replaced by

Détails de la réponse

In addition to the high calories derived from fats and oils, they are

Détails de la réponse

If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal?

Détails de la réponse

For effective functioning of a bird's quill feather, hooks fit on the ridge of the

Détails de la réponse

Which of the following is an example of discontinuous variation?

Détails de la réponse

The structure labelled 1 is the

Détails de la réponse

Fishes are cold blooded because their body temperature is

Détails de la réponse

The three important organs that are situated close to the stomach are

Détails de la réponse