JAMB Biology 2014 past questions and answers

Use the diagram to answer: The part labelled II is the

1. A.nucleus.
2. B.eyespot.
3. C.basal granule.
4. D.contractile vacuole.

Use the diagram to answer: The part responsible for photosynthesis is labelled

1. A.III.
2. B.IV.
3. C.I.
4. D.II.

The lowest level of organization in living organisms is

1. A.organ.
2. B.cell.
3. C.system.
4. D.tissue.

Which of the following is the most complex according to their cellular level of organization?

1. A.Heart.
2. B.Hair.
3. C.Euglena.
4. D.Hydra.

Use the diagram to answer: The organs for attachment to the lining of the host's intestine are labelled

1. A.II and III.
2. B.III and IV.
3. C.I and II.
4. D.I and III.

Use the diagram to answer: The young proglottid is represented by

1. A.III.
2. B.IV.
3. C.I.
4. D.II.

Which of the following organisms is multicellular?

1. A.Chlamydomonas.
2. B.Spirogyra.
3. C.Amoeba.
4. D.Euglena.

Seed plants are the most dominant vegetation on land because of

1. A.their motile gametes.
2. B.their ability to photosynthesize.
3. C.efficient seed dispersal.
4. D.availability of water.

Which of the following is an aboreal organism?

1. A.Elephant.
2. B.Fish.
3. C.Antelope.
4. D.Bird.

Use the diagram to answer: The part labelled I is the

1. A.xylem.
2. B.phloem.
3. C.root hairs.
4. D.cortex.

Use the diagram to answer: The diagram is the transverse section of a

1. A.Monocotyledonous stem.
2. B.Dicotyledonous stem.
3. C.Monocotyledonous root.
4. D.Dicotyledonous root.

i 2/1, c 0/0, pm 3/2, m 3/3
The dental formula above represents that of

1. A.an omnivore.
2. B.a detritus feeder.
3. C.a carnivore.
4. D.a herbivore.

A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because

1. A.Amoeba lives in freshwater.
2. B.diffusion is sufficient to transport materials in Amoeba.
3. C.Amoeba lacks bood, containing haemoglobin.
4. D.Amoeba exhibits anaerobic respiration.

In vascular plants, the sieve tubes and companion cells are present in the

1. A.cambium.
2. B.cortex.
3. C.xylem.
4. D.phloem.

The stomata of leaves are similar in function to the

1. A.pharynx of humans.
2. B.scales of fish.
3. C.spiracle of insects.
4. D.trachea of toads.

The use of moist skin for respiration in amphibians is known as

1. A.cellular respiration.
2. B.cutaneous respiration.
3. C.buccal respiration.
4. D.pulmonary respiration.

Water in plants is removed as water vapour through the process of

1. A.diffusion.
2. B.osmosis.
3. C.evaporation.
4. D.transpiration.

An example of an organ of perennation in plants is

1. A.rhizome.
2. B.seed.
3. C.petal of a flower.
4. D.calyx of flower.

Alternation of generation is a feature shown in

1. A.mosses.
2. B.fungi.
3. C.grasses.
4. D.conifers.

I Growth is mainly apical.
II Growth is specific with definite shape.
III Growth is throughout life.
Which of the above correctly describes the growth pattern in plants?

1. A.I, II and III only.
2. B.II and III only.
3. C.I and II only.
4. D.I and III only.

Coordination and regulation of body activities in mammals are achieved by the

1. A.nerves and muscles.
2. B.nerves and hormones.
3. C.nerves only.
4. D.hormones only.

The cerebellum of the brain controls

1. A.reflex actions.
2. B.muscular activity.
3. C.emotional expressions.
4. D.the endocrine system.

The part of the brain responsible for peristalsis is the

1. A.olfactory lobe.
2. B.medulla oblongata.
3. C.hypothalamus.
4. D.thalamus.

Which of the following instruments is used for measuring atmospheric pressure?

1. A.Hydrometer.
2. B.Hygrometer.
3. C.Thermometer.
4. D.Barometer.

The influence of soil on organisms in a habitat is referred to as

1. A.edaphic.
2. B.physiographic.
3. C.biotic.
4. D.topographic.

The genetic make-up of an organism is described as

1. A.allele.
2. B.chromosome.
3. C.phenotype.
4. D.genotype.

The major limiting factor of productivity in the aquatic habitat is

1. A.food.
2. B.temperature.
3. C.water.
4. D.sunlight.

Which of the following group of organisms feeds directly on green plants?

1. A.Primary consumers.
2. B.Secondary consumers.
3. C.Producers.
4. D.Decomposers.

A characteristic feature of tropical rainforest is that it

1. A.contains trees with narrow leaves.
2. B.contains large number of plant species.
3. C.contains fewer number of plants species.
4. D.has total annual rainfall of less than 50cm.

The study of how and why population size change over time is

1. A.population estimation.
2. B.population dynamics.
3. C.population ecology.
4. D.population cycles.

A severe and long dry season is a characteristics feature of

1. A.Sahel savanna.
2. B.Mangrove swamps.
3. C.Sudan savanna.
4. D.Guinea savanna.

Which of the following is a nitrogen-fixing blue-green algae soil?

1. A.Rhizobium.
2. B.Nitrosomonas.
3. C.Clostridium.
4. D.Anabaena.

The soil with the highest water-retaining capacity is

1. A.clayey soil.
2. B.stoney soil.
3. C.sandy soil.
4. D.loamy soil.

The causative agent of poliomyelitis is

1. A.virus.
2. B.fungus.
3. C.protozoan.
4. D.bacterium.

One of the ways of controlling noise pollution in urban areas is

1. A.by siting industries away from residential areas.
2. B.that fuel should be completely combusted by engines.
3. C.by planting trees on both sides of the road.
4. D.by wearing ear devices.

A constituent of the exhaust fumes from electricity generating sets which causes serious air pollution is

1. A.carbon(II)oxide.
2. B.water vapour.
3. C.ozone.
4. D.carbon(IV)oxide.

Which of the following is true of smallpox?

1. A.It is transmitted by bacteria.
2. B.It can effectively be controlled with antibiotics.
3. C.It can effectively be controlled by vaccination.
4. D.It is a waterborne infection.

A pollutant that is mostly associated with acid rain is

1. A.nitrogen(IV)oxide.
2. B.ozone.
3. C.fluorine.
4. D.carbon(IV)oxide.

When the adults have reached a certain degree of weakness, the process of binary fission is replaced by conjugation in

1. A.Paramecium.
2. B.Euglena.
3. C.Amoeba.
4. D.Plasmodium.

Whorls, arches, loops and compounds are types of variation in

1. A.eye colour.
2. B.fingerprints.
3. C.hair colour.
4. D.blood group.

A couple has 10 children, all female. Which of the following best explains the situation?

1. A.The sex determination was by the man's X chromosome.
2. B.The man's sperm count is low.
3. C.The woman is not capable of producing male children.
4. D.The sex determination was by the man's Y chromosome.

A biological agent with antiviral property is

1. A.interferon.
2. B.enzyme.
3. C.antibiotic.
4. D.disinfectant.

An individual with blood group AB can receive blood from those in blood group(s)

1. A.A, B, AB and O.
2. B.A, AB and O only.
3. C.AB only.
4. D.A and B only.

The streamline shape of fishes is an adaptation for

1. A.securing mates.
2. B.easy movement.
3. C.obtaining food.
4. D.defense and attack.

All living organisms are constantly involved in a struggle for existence. This was proposed by

1. A.Morgan.
2. B.Darwin.
3. C.Lamarck.
4. D.Wallace.