JAMB UTME - Biology - 1986 | Green Bridge CBT

Vraag 1 Verslag

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

C2H12O6 2C2H5OH + 2CO2

6Co2 + 6H2O C6H12O6 + 6O2

C6H12O6 + 6O2 6CO2 + 6H2O + enegy

C6H12O6 2C2H5OH + 2CO2 + energy Juist antwoord

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Lees lesnotitie op DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

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Vraag 2 Verslag

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

Rainfall, temperature and light Juist antwoord

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

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Lees lesnotitie op Ecological Factors (WAEC)

Lees lesnotitie op Ecosystem (WAEC)

Ecological Factors

Ecosystem

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Vraag 3 Verslag

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede Juist antwoord

Earthworm

Antwoorddetails

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Vraag 4 Verslag

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Juist antwoord

Antwoorddetails

Lees lesnotitie op Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Vraag 5 Verslag

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?

Three

Two

One

None Juist antwoord

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Lees lesnotitie op Heredity (JAMB)

Heredity

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Vraag 6 Verslag

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing Juist antwoord

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Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

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Vraag 7 Verslag

Deamination occurs in the

kidney

pancreas

spleen

liver Juist antwoord

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Lees lesnotitie op Animal Nutrition (WAEC)

Lees lesnotitie op Organization Of Life (WAEC)

Lees lesnotitie op Blood Transfusion (WAEC)

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Animal Nutrition

Organization Of Life

Blood Transfusion

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Vraag 8 Verslag

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

Juist antwoord

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Lees lesnotitie op Nutrition (JAMB)

Nutrition

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Vraag 9 Verslag

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Juist antwoord

body weight

Height

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Lees lesnotitie op Heredity (JAMB)

Heredity

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Vraag 10 Verslag

Nastic movement is

response to light stimulus

non-directional Juist antwoord

directional

response to internal stimulus

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Lees lesnotitie op Protein Synthesis (WAEC)

Lees lesnotitie op Movement (WAEC)

Protein Synthesis

Movement

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Vraag 11 Verslag

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments Juist antwoord

Consist of unbranched filaments

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Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Vraag 12 Verslag

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

gum

pulp cavity Juist antwoord

cement

enarmel

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Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

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Vraag 13 Verslag

Which of these is a trace element?

Iron

Copper Juist antwoord

Calcium

Sulphur

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Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

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Vraag 14 Verslag

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

used in producing new cells

necessary for enzyme formation

used as insulators for cold Juist antwoord

required for growth

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Lees lesnotitie op Adaptive Colouration (WAEC)

Lees lesnotitie op Nucleic Acids (WAEC)

Adaptive Colouration

Nucleic Acids

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Vraag 15 Verslag

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

it is made of breakable glass materials

it measures the rate of water intake

it measure the rate of water loss throuh the stern only

the movement of the air buble in the potometer cannot be timed accurately Juist antwoord

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Lees lesnotitie op Movement Of Substances Into And Out Of Cells (WAEC)

Lees lesnotitie op Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

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Vraag 16 Verslag

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

keep moving so that the venom will ooze out with bleeding

Wash the wound with water containing antiseptic

bandage the wound so that germs do not get in through it

Keep still and apply a tourniquet above the wound Juist antwoord

Antwoorddetails

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Vraag 17 Verslag

Which of the following has cones?

Angiosperms

Gymnosperms Juist antwoord

Pteridophyte

Bryophyte

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Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Lees lesnotitie op Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Forms In Which Living Cells Exist

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Vraag 18 Verslag

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy Juist antwoord

Antwoorddetails

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Vraag 19 Verslag

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

fats are presents

carbohydrate is present

protein is present Juist antwoord

reducing sugar is presents

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Lees lesnotitie op Classification (WAEC)

Lees lesnotitie op Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Lees lesnotitie op Alimentary System (WAEC)

Lees lesnotitie op Reproduction (Physical Changes In Males And Females) (WAEC)

Classification

Morphology Of Monocotyledonous And Dicotyledonous Plants

Alimentary System

Reproduction (Physical Changes In Males And Females)

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Vraag 20 Verslag

The main function of the structure labelled 2 is to

protect the inner parts of the seed

nourish the embryo and the growing plan Juist antwoord

keep the inner parts moist

maintain the shape if the seed

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Lees lesnotitie op Nutrition (JAMB)

Nutrition

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Vraag 21 Verslag

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat Juist antwoord

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Lees lesnotitie op Cell Structure (WAEC)

Lees lesnotitie op Internal Structure Of A Flowering Plant (JAMB)

Cell Structure

Internal Structure Of A Flowering Plant

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Vraag 22 Verslag

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

sand Juist antwoord

loamy

clay

humus

Antwoorddetails

Lees lesnotitie op Transport (WAEC)

Lees lesnotitie op Animal Nutrition (WAEC)

Lees lesnotitie op Soil (WAEC)

Transport

Animal Nutrition

Soil

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Vraag 23 Verslag

Blood circulation in a mammalian is said to be double because

it passes twice through the heart in a complete circuit Juist antwoord

it moves in both arteries and veins

it circulates in both the heart and other organs

the heart contain auricles and ventricles

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Lees lesnotitie op Transport System (WAEC)

Lees lesnotitie op Adaptation For Survival (WAEC)

Transport System

Adaptation For Survival

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Vraag 24 Verslag

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

3 → 2 → 1 → 4

2 → 3 → 1 → 4

2 → 1 → 3 → 4 Juist antwoord

1 → 2 → 3 → 4

Antwoorddetails

Lees lesnotitie op Transport System (WAEC)

Lees lesnotitie op Transport (JAMB)

Lees lesnotitie op Reproduction (JAMB)

Lees lesnotitie op Cell Structure (WAEC)

Transport System

Transport

Reproduction

Cell Structure

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Vraag 25 Verslag

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

contain large quantities of potash

contain large quantities of lime

lose a high proportion of their organic matter to running water

lose lime and potash from the top soil through rain action Juist antwoord

Antwoorddetails

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Vraag 26 Verslag

In community, bacteria and fungi are referred to as

producers

decomposers Juist antwoord

scavengers

consumers

Antwoorddetails

Lees lesnotitie op Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lees lesnotitie op Ecosystem (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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

Ecosystem

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Vraag 27 Verslag

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Juist antwoord

regulated at will

Antwoorddetails

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Vraag 28 Verslag

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

Kidney, liver and gall bladder

pancreas, liver and kidney

liver, kidney and spleen

gall bladder, pancreas and spleen

Juist antwoord

Antwoorddetails

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Vraag 29 Verslag

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

Vane

rachis

barbules Juist antwoord

barbs

Antwoorddetails

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Vraag 30 Verslag

In an agricultural ecosystem, the biotic component consists of

crop, pest and beneficial insects Juist antwoord

crops, temperature and humidity

pests, beneficial insects and water

crops, water and soil

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Lees lesnotitie op Ecology Of Population (WAEC)

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lees lesnotitie op Soil (WAEC)

Ecology Of Population

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

Soil

Bekijk antwoord

Vraag 31 Verslag

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

auxanometer

potometer

klinostat Juist antwoord

photometer

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Lees lesnotitie op Respiration (JAMB)

Lees lesnotitie op Co-ordination And Control (JAMB)

Respiration

Co-ordination And Control

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Vraag 32 Verslag

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Juist antwoord

salts, fats and carbohydrates

Antwoorddetails

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Vraag 33 Verslag

Which of these animals is radially symmetrical?

squid

Hydra Juist antwoord

Snail

Cockroach

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Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

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Vraag 34 Verslag

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water Juist antwoord

chlorophyll

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Lees lesnotitie op Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Vraag 35 Verslag

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

secondary consumers

primary consumers Juist antwoord

producers

predators

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Lees lesnotitie op Animal Nutrition (WAEC)

Lees lesnotitie op Food Webs And Trophic Levels (WAEC)

Animal Nutrition

Food Webs And Trophic Levels

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Vraag 36 Verslag

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

short neural spine and vertebraterial canal Juist antwoord

prozygapophysis and cervical ribs

large centrum and cervical ribs

vertebraterial canal and large centrum

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Lees lesnotitie op Organization Of Life (WAEC)

Lees lesnotitie op Classification (WAEC)

Organization Of Life

Classification

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Vraag 37 Verslag

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

intercostal muscles contract

diaphragm is raised Juist antwoord

ribs are raised

Pressure of the thoracic cavity decreases

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Lees lesnotitie op Respiratory System (WAEC)

Respiratory System

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Vraag 38 Verslag

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

Ferns and algae

Ferns and mosses

Bryophytes and flowering plants

Flowering plants and conifers Juist antwoord

Antwoorddetails

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Vraag 39 Verslag

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer Juist antwoord

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Lees lesnotitie op Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

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Vraag 40 Verslag

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Juist antwoord

of development from zygote to birth

before the formation of the zygote

Antwoorddetails

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Vraag 41 Verslag

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

on the same radii Juist antwoord

scattered

on alternate radii

towards the pith

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Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

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Vraag 42 Verslag

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral Juist antwoord

pectoral and dorsal

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Lees lesnotitie op Ecosystem (WAEC)

Ecosystem

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Vraag 43 Verslag

Incomplete metamorphosis occurs in the

butterfly

grasshopper Juist antwoord

mosquito

housefly

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Lees lesnotitie op Variety Of Organisms (JAMB)

Lees lesnotitie op Biological Fuel Generation (WAEC)

Lees lesnotitie op Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

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Vraag 44 Verslag

The swollen shoot disease of cocoa tree is caused by a

virus Juist antwoord

fungus

bacterium

protozoan

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Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Bekijk antwoord

Vraag 45 Verslag

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

Sodium

Potassium

Calcium

Iron Juist antwoord

Antwoorddetails

Lees lesnotitie op DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

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Vraag 46 Verslag

The male cockroach differs from the female by having

mandibles

a pair of style Juist antwoord

spiracles

a pair of cerci

Antwoorddetails

Lees lesnotitie op Heredity (JAMB)

Heredity

Bekijk antwoord

Vraag 47 Verslag

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve Juist antwoord

Antwoorddetails

Lees lesnotitie op Application Of The Principles Of Heredity (WAEC)

Application Of The Principles Of Heredity

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Vraag 48 Verslag

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

adrenalin

auxin

insulin Juist antwoord

thyroxine

Antwoorddetails

Lees lesnotitie op Hormonal Coordination (WAEC)

Hormonal Coordination

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Vraag 49 Verslag

Viruses are regarded as non-living because they

can niether reproduce asexually nor sexually

cannot survive in their respective enviroments

do not possess characteristics that can be transmitted from one generation to the next

can neither respire nor excrete Juist antwoord

Antwoorddetails

Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

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Vraag 50 Verslag

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

the king and queen of another colony

some adult reproductives from the same colony Juist antwoord

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

Antwoorddetails

Bekijk antwoord






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