JAMB UTME - Biology - 1983

Ajụjụ 1 Ripọtì

What type of fruit is formed from a single flower having several carpels?

Multipe fruit

Simple fruit

Aggregrate fruit

Dehiscent fruit

Indehiscent fruit

Akọwa Nkọwa

Lee Azịza

Ajụjụ 2 Ripọtì

Plants which can survive in places where the water supply is limited are

bryophytes

mesophytes

xerophytes

hydrophytes

pteridophytes

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Blood Transfusion (WAEC)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Gụọ akwụkwọ nkuzi na Co-ordination And Control (JAMB)

Blood Transfusion

Soil

Co-ordination And Control

Lee Azịza

Ajụjụ 3 Ripọtì

If an isolated living cell is left in distilled water for two hours, it is likely to

lose some of its water to the surrounding water

lose all of its water to the surrounding water

reproduce by binary fission

become more turgid

die due to excess water

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Gụọ akwụkwọ nkuzi na The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Cell Structure

The Cell And Its Environment: Physical And Biophysical Processes

Lee Azịza

Ajụjụ 4 Ripọtì

Starting from the skull end the vertebrate are arranged in the following order

axis, atlas, cervical, thoracic and lumber

atls, cervical, axis, thoracic and lumber

atlas, axis, thoracic, cervical and lumber

atlas, axis, cervical, thoracic and lumber

atlas, thoracic, cervical, axis and lumber

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Organization Of Life (WAEC)

Organization Of Life

Lee Azịza

Ajụjụ 5 Ripọtì

Which of the following statements about the dentition of man is INCORRECT ? man has

More molars than incisors

No diastema

The same number of teeth on upper and lower jaw

A total of thirty-two teeth

A total of six molars

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Modes Of Nutrition (WAEC)

Gụọ akwụkwọ nkuzi na Growth (JAMB)

Modes Of Nutrition

Growth

Lee Azịza

Ajụjụ 6 Ripọtì

Which of the following statements on the mammalian circulatory system is NOT true?

Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein

The blood in the hepatic portal vein is the richest in food substance

Blood flow is controlled by valves in the veins

Arteries are generally thicker and larger than veins

Fibrin helps in the formation of blood clot

Akọwa Nkọwa

Lee Azịza

Ajụjụ 7 Ripọtì

Which of the labelled part in the figure above will develop into new bulb?

Akọwa Nkọwa

Lee Azịza

Ajụjụ 8 Ripọtì

The function of the ossicles (malleus, incus and stapes) in the mammalian ear is

Transmission of vibrations

Regulation of pressure

Support of the inner ear

Maintenance of balance during motion

Secretion of oil

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Cell Structure

Lee Azịza

Ajụjụ 9 Ripọtì

The movement of plant in response to external stimulus of no particular direction is

taxism

tropism

hyptotropic movement

nastic movement

phototropism

Akọwa Nkọwa

Lee Azịza

Ajụjụ 10 Ripọtì

‘Jointed skeleton’ is absent in the

Cockroach

Spider

Millipede

Snail

Dragon fly

Akọwa Nkọwa

Lee Azịza

Ajụjụ 11 Ripọtì

An organism having one pair of identical genes is

a heterozygote

a hybride

an allelomorph

a homozygote

a diploid

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Behavioural Adaptations In Social Animals (WAEC)

Gụọ akwụkwọ nkuzi na Heredity (JAMB)

Behavioural Adaptations In Social Animals

Heredity

Lee Azịza

Ajụjụ 12 Ripọtì

When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it

Remains unchanged

Takes up water an burst

Absorbs a little water

Loses water and shrivels

Becomes turgid

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Nucleic Acids

Cell Structure

Lee Azịza

Ajụjụ 13 Ripọtì

Which of the following diseases could be exclusively associated with river basin?

Malaria

Syphilis

Onchocerciasis

Cholera

Poliomyelitis

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Humans And Environment (JAMB)

Gụọ akwụkwọ nkuzi na Plant Nutrition (WAEC)

Humans And Environment

Plant Nutrition

Lee Azịza

Ajụjụ 14 Ripọtì

Which of the following is NOT a characteristic of monocot plants?

Occurrence of secondary thickening

Parallel venation

Scattered vascular bundles

Floral parts arranged in threes

Perianth is usually insignificant

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Lee Azịza

Ajụjụ 15 Ripọtì

A population is defined as the collection of

Similar organism that are found in the same habitat

Similar organisms that breed in the same habitat

Similar organisms that interbreed freely in the same habitat

Similar organism eating the same food

Different organisms in the same habitat

Akọwa Nkọwa

A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

Gụọ akwụkwọ nkuzi na Co-ordination And Control (JAMB)

Co-ordination And Control

Lee Azịza

Ajụjụ 16 Ripọtì

A centipede differs from a millipede by its

colour

numerous abdominal segment

paired legs on each abdominal segment

poison claws

cylindrical body

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Animal Nutrition (WAEC)

Animal Nutrition

Lee Azịza

Ajụjụ 17 Ripọtì

The path taken by glucose from the ileum to the heart is

Ileum →hepatic portal vein →hepatic artery → vena cava → heart

Ileum → hepatic portal artery →hepatic artery → vena cava → heart

Ileum → hepatic portal vein → vena cava → heart

Ileum → hepatic vein → vena cava → heart

Ileum → hepatic portal vein → hepatic vein → vena cava → heart

Akọwa Nkọwa

Lee Azịza

Ajụjụ 18 Ripọtì

Which of the following diseases is NOT caused by a virus?

Rinderpest

Maize rust

Newcastle diseases

Swine fever

Cassava mosaic diseases

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Animal Nutrition (WAEC)

Gụọ akwụkwọ nkuzi na Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Gụọ akwụkwọ nkuzi na Microorganisms Around Us (WAEC)

Animal Nutrition

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

Microorganisms Around Us

Lee Azịza

Ajụjụ 19 Ripọtì

One disease NOT caused directly by bacteria is

malaria

tuberculosis

pneumonia

tetanus

cholera

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals

Lee Azịza

Ajụjụ 20 Ripọtì

Which of the following statements about the rate of transpiration is INCORRECT? It is

Dependent on temperature

Affected by changes in light intensity

Unaffected by humidity

Dependent on air movement

Affected by availability of water

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport System (WAEC)

Gụọ akwụkwọ nkuzi na Relevance Of Biology To Agriculture (WAEC)

Transport System

Relevance Of Biology To Agriculture

Lee Azịza

Ajụjụ 21 Ripọtì

The main function of 6 is to?

Separate 5 from 7

Produce more of 5 and 7

Produce Cork

Translocate water and mineral salt

Conduct carbon dioxide to the other parts

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport System (WAEC)

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Transport System

Cell Structure

Lee Azịza

Ajụjụ 22 Ripọtì

In rhizopus carbohydrate is stored in the form of

Glucose

Paramylon

Glycogen

Starch

Oil

Akọwa Nkọwa

Lee Azịza

Ajụjụ 23 Ripọtì

Which of the following elements are necessary for the formation of chlorophyll in a plant?

magnesium and iron

Calcium and potassium

Calcium and sulphur

Potasium and sulphur

Phosphorus and potassium

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Population Studies By Sampling (WAEC)

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Population Studies By Sampling

Nucleic Acids

Lee Azịza

Ajụjụ 24 Ripọtì

which of these worms is beneficial to man?

Hookworm

Tapeworm

Roundworm

Earthworm

Guinea worm

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Plant Nutrition (WAEC)

Plant Nutrition

Lee Azịza

Ajụjụ 25 Ripọtì

In woody plants, grass and water vapour are transported across the stems by the

xylem fibres

medullary rays

sieve tubes

phloem fibres

phloem parenchyma

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport System (WAEC)

Gụọ akwụkwọ nkuzi na Classification (WAEC)

Transport System

Classification

Lee Azịza

Ajụjụ 26 Ripọtì

In a dicot leaf, guard cells differ from other epidermal cells because they

have no definite shape

lack nuclei

are smaller

contain chloroplast

lack vacuole

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Lee Azịza

Ajụjụ 27 Ripọtì

If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be

a protein

a cabohydrate

a fat

a fatty acid and glycerol

an amino acid

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Modes Of Nutrition (WAEC)

Gụọ akwụkwọ nkuzi na DNA Structure And Replication, RNA Transcription (WAEC)

Modes Of Nutrition

DNA Structure And Replication, RNA Transcription

Lee Azịza

Ajụjụ 28 Ripọtì

Which of the following statements is NOT true of insectivorous plants?

They obtain part of their food by trapping and feeding on insects

They attract insects simply because of pollination

Thay can grow in soils poor in nitrogenous salts

They can supplement their nitrgen supply by feeding on insects

Example include butterworts, sundews and pitcher plants

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Plant Nutrition (WAEC)

Plant Nutrition

Lee Azịza

Ajụjụ 29 Ripọtì

In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth

12345

15243

21345

53412

54321

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Soil

Lee Azịza

Ajụjụ 30 Ripọtì

The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a

rabbit

full grown man

young child

dog

sheep

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Physiological Variations (WAEC)

Physiological Variations

Lee Azịza

Ajụjụ 31 Ripọtì

Which of the following structure is NOT found in the female agama lizard?

Pre-anal pads

Eardrum

Gular fold

Nasal scale

Nuchal crest

Akọwa Nkọwa

Lee Azịza

Ajụjụ 32 Ripọtì

In a positive phototropic response of a coleoptile, the region of greatest curvature is brought about by the

movement of auxins away from the region of curvature

even distribution of auxins in all parts of the coleoptile

inhibition of growth by auxins in the region f smaller curvature

concentration of auxins in the region of curvature

absence of auxins in the coleoptile

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Protein Synthesis (WAEC)

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Protein Synthesis

Nucleic Acids

Lee Azịza

Ajụjụ 33 Ripọtì

Which of the following features can be used to identify the figure above?

Position of 7

Its circular nature

Number of 5

Presence of 3

Width of 2

Akọwa Nkọwa

Lee Azịza

Ajụjụ 34 Ripọtì

Which of the following statements is NOT true of mammalian erythrocytes?

They have haemoglobin

they appear yellow when looked at singly

They are disc shaped

The cell are more numerous than leucocytes

They have nuclei at maturity

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Classification (WAEC)

Gụọ akwụkwọ nkuzi na Blood Transfusion (WAEC)

Gụọ akwụkwọ nkuzi na Support And Movement (JAMB)

Classification

Blood Transfusion

Support And Movement

Lee Azịza

Ajụjụ 35 Ripọtì

Groundnut is not really a 'nut' in the biological sense because

it is harvested from inside the ground

pericarp is not hard and tough

the fruit is not as hard as coconut

the fruit is not succulent

it is an achene

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Classification (WAEC)

Gụọ akwụkwọ nkuzi na Physiological Variations (WAEC)

Classification

Physiological Variations

Lee Azịza

Ajụjụ 36 Ripọtì

What is the genetic ratio of the F2 generation if members of F generation are allowed to self-pollinate?

1 tall : 3 short

3 tall : 1 short

1 tall : 1 short

4 short : 0 tall

4 tall : 0 short

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Genetic Terminologies (WAEC)

Genetic Terminologies

Lee Azịza

Ajụjụ 37 Ripọtì

Urea is produced in the

Liver

Bladder

Spleen

Kidneys

Gall bladder

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Lee Azịza

Ajụjụ 38 Ripọtì

In the onion bulb, food is stored in the

stem

lateral buds

cotyledons

outer scale leave

leaf base

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Gụọ akwụkwọ nkuzi na Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Nutrition

Morphology Of Monocotyledonous And Dicotyledonous Plants

Lee Azịza

Ajụjụ 39 Ripọtì

The part of the mammalian brain responsible for maintaining balance is the

medulla oblongata

olfactory lobe

cerebellum

cerebrum

frontal lobe

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nervous Coordination (WAEC)

Nervous Coordination

Lee Azịza

Ajụjụ 40 Ripọtì

Which of the following will not allow osmosis to take place

pig's bladder

cellophane

parchment paper

transparent polythene

cow's bladder

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Blood Transfusion (WAEC)

Gụọ akwụkwọ nkuzi na The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Blood Transfusion

The Cell And Its Environment: Physical And Biophysical Processes

Lee Azịza

Ajụjụ 41 Ripọtì

Root hairs are developed from the

root apex

epidermis of root

vascular bundles

endodermis

pericycle

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structural Adaptation For Survival (WAEC)

Gụọ akwụkwọ nkuzi na Tissues And Supporting Systems: (WAEC)

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Structural Adaptation For Survival

Tissues And Supporting Systems:

Cell Structure

Lee Azịza

Ajụjụ 42 Ripọtì

Which of the following instruments is used for determining turbidity of water?

Thermometer

secchi disc

rain guage

Hydrometer

Wind vane

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport System (WAEC)

Transport System

Lee Azịza

Ajụjụ 43 Ripọtì

Which of the following substance is not found in urine?

Water

Sodium chloride

Nitrogenous compounds

Calcium chloride

Nitrogenous salts

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Gụọ akwụkwọ nkuzi na Application Of The Principles Of Heredity (WAEC)

Gụọ akwụkwọ nkuzi na The Ecology Of Populations (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Application Of The Principles Of Heredity

The Ecology Of Populations

Lee Azịza

Ajụjụ 44 Ripọtì

The kidneys of all vertebrates act as osmoregulators. This means that they

keep the composition of the plasma constant

regulate osmotic processes

control the volume of blood entering the kidneys

decrease the osmotic pressure of the blood

increase the osmotic pressure of blood

Akọwa Nkọwa

Lee Azịza

Ajụjụ 45 Ripọtì

Which sequence represents the correct order of organisms un a food chain? 1. Toad 2. Mucuna 3. Grasshopper 4. Snake 5. Hawk

5 → 4 → 1 → 3 → 2

1 → 2 → 3 → 4 → 5

2 → 1 → 3 → 4 → 5

2 → 3 →1 → 5 →4

2 → 3 → 1 → 4 → 5

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Food Webs And Trophic Levels (WAEC)

Food Webs And Trophic Levels

Lee Azịza

Ajụjụ 46 Ripọtì

The tuber cassava is NOT a stem tuber because it

Is distended with food reserve

Has an aerial shoot portion

Has other structure that could be called root

Lacks axillary buds

Has a bark over its stored food

Akọwa Nkọwa

Lee Azịza

Ajụjụ 47 Ripọtì

28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?

22.2

55.6

75.0

25.0

35.7

Akọwa Nkọwa

Lee Azịza

Ajụjụ 48 Ripọtì

Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers

2 → 1 → 4 → 3 → 5

5 → 4 → 3 → 2 → 1

2 → 4 → 5 → 1 →3