JAMB UTME - Biology - 1986

Which of these animals is radially symmetrical?

In an agricultural ecosystem, the biotic component consists of

The severe deficiency of vitamin C leads to

Incomplete metamorphosis occurs in the

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

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

Which of the following lacks chaetae, tentacles and antennae?

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

Which of the following is NOT true of spirogyra?

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

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

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

The main organic substances found in the human body are

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

Which of the following is an example of discontinuous variation?

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

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

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

Blood circulation in a mammalian is said to be double because

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

Nastic movement is

The fins making up the limbs of the bony fish are

Which of the following has cones?

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

Fishes are cold blooded because their body temperature is

The main function of the structure labelled 2 is to

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

Gestation in mammals is the period

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

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

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

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

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?

In community, bacteria and fungi are referred to as

The swollen shoot disease of cocoa tree is caused by a

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

The following are methods of soil conservation EXCEPT

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

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

The male cockroach differs from the female by having

Oxygen liberated during photosynthesis has been demonstrated to come from

Which of these is a trace element?

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

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

Deamination occurs in the

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

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

Viruses are regarded as non-living because they

Which of these disease CANNOT be prevented by immunization?

The structure labelled 1 is the