JAMB UTME - Biology - 1986 | Green Bridge CBT

Question 1 Report

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

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

Answer Details

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Question 2 Report

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

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Question 3 Report

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

gum

pulp cavity

cement

enarmel

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 4 Report

Which of these animals is radially symmetrical?

squid

Hydra

Snail

Cockroach

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 5 Report

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

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Question 6 Report

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

loamy

clay

humus

Answer Details

Read lesson note on Transport (WAEC)

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Soil (WAEC)

Transport

Animal Nutrition

Soil

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Question 7 Report

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

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 8 Report

The swollen shoot disease of cocoa tree is caused by a

virus

fungus

bacterium

protozoan

Answer Details

Read lesson note on 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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Question 9 Report

Which of these is a trace element?

Iron

Copper

Calcium

Sulphur

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 10 Report

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing

Answer Details

Read lesson note on 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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Question 11 Report

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve

Answer Details

Read lesson note on Application Of The Principles Of Heredity (WAEC)

Application Of The Principles Of Heredity

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Question 12 Report

Incomplete metamorphosis occurs in the

butterfly

grasshopper

mosquito

housefly

Answer Details

Read lesson note on Variety Of Organisms (JAMB)

Read lesson note on Biological Fuel Generation (WAEC)

Read lesson note on Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

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Question 13 Report

In an agricultural ecosystem, the biotic component consists of

crop, pest and beneficial insects

crops, temperature and humidity

pests, beneficial insects and water

crops, water and soil

Answer Details

Read lesson note on Ecology Of Population (WAEC)

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Read lesson note on Soil (WAEC)

Ecology Of Population

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

Soil

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Question 14 Report

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water

chlorophyll

Answer Details

Read lesson note on Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Question 15 Report

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

adrenalin

auxin

insulin

thyroxine

Answer Details

Read lesson note on Hormonal Coordination (WAEC)

Hormonal Coordination

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Question 16 Report

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth

of development from zygote to birth

before the formation of the zygote

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Question 17 Report

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

auxanometer

potometer

klinostat

photometer

Answer Details

Read lesson note on Respiration (JAMB)

Read lesson note on Co-ordination And Control (JAMB)

Respiration

Co-ordination And Control

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Question 18 Report

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat

Answer Details

Read lesson note on Cell Structure (WAEC)

Read lesson note on Internal Structure Of A Flowering Plant (JAMB)

Cell Structure

Internal Structure Of A Flowering Plant

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Question 19 Report

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings

regulated at will

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Question 20 Report

The main function of the structure labelled 2 is to

protect the inner parts of the seed

nourish the embryo and the growing plan

keep the inner parts moist

maintain the shape if the seed

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 21 Report

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede

Earthworm

Answer Details

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Question 22 Report

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy

Answer Details

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Question 23 Report

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

Answer Details

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Question 24 Report

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer

Answer Details

Read lesson note on Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

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Question 25 Report

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

required for growth

Answer Details

Read lesson note on Adaptive Colouration (WAEC)

Read lesson note on Nucleic Acids (WAEC)

Adaptive Colouration

Nucleic Acids

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Question 26 Report

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

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 27 Report

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

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 28 Report

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein

salts, fats and carbohydrates

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Question 29 Report

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral

pectoral and dorsal

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 30 Report

Which of the following is an example of discontinuous variation?

skin colouration

left handedness

body weight

Height

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 31 Report

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

Answer Details

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Question 32 Report

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

Answer Details

Read lesson note on Movement Of Substances Into And Out Of Cells (WAEC)

Read lesson note on Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

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Question 33 Report

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

on the same radii

scattered

on alternate radii

towards the pith

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 34 Report

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

Vane

rachis

barbules

barbs

Answer Details

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Question 35 Report

Which of the following has cones?

Angiosperms

Gymnosperms

Pteridophyte

Bryophyte

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Forms In Which Living Cells Exist

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Question 36 Report

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

Sodium

Potassium

Calcium

Iron

Answer Details

Read lesson note on DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

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Question 37 Report

The male cockroach differs from the female by having

mandibles

a pair of style

spiracles

a pair of cerci

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 38 Report

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

short neural spine and vertebraterial canal

prozygapophysis and cervical ribs

large centrum and cervical ribs

vertebraterial canal and large centrum

Answer Details

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Classification (WAEC)

Organization Of Life

Classification

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Question 39 Report

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

Rainfall, temperature and light

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

Answer Details

Read lesson note on Ecological Factors (WAEC)

Read lesson note on Ecosystem (WAEC)

Ecological Factors

Ecosystem

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Question 40 Report

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

intercostal muscles contract

diaphragm is raised

ribs are raised

Pressure of the thoracic cavity decreases

Answer Details

Read lesson note on Respiratory System (WAEC)

Respiratory System

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Question 41 Report

Deamination occurs in the

kidney

pancreas

spleen

liver

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Blood Transfusion (WAEC)

Read lesson note on 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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Question 42 Report

Blood circulation in a mammalian is said to be double because

it passes twice through the heart in a complete circuit

it moves in both arteries and veins

it circulates in both the heart and other organs

the heart contain auricles and ventricles

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Adaptation For Survival (WAEC)

Transport System

Adaptation For Survival

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Question 43 Report

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

reducing sugar is presents

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Alimentary System (WAEC)

Read lesson note on 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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Question 44 Report

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis

Answer Details

Read lesson note on Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

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Question 45 Report

In community, bacteria and fungi are referred to as

producers

decomposers

scavengers

consumers

Answer Details

Read lesson note on Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Read lesson note on Ecosystem (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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

Ecosystem

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Question 46 Report

Nastic movement is

response to light stimulus

non-directional

directional

response to internal stimulus

Answer Details

Read lesson note on Protein Synthesis (WAEC)

Read lesson note on Movement (WAEC)

Protein Synthesis

Movement

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Question 47 Report

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

1 → 2 → 3 → 4

Answer Details

Read lesson note on Transport System (WAEC)

Read lesson note on Transport (JAMB)

Read lesson note on Reproduction (JAMB)

Read lesson note on Cell Structure (WAEC)

Transport System

Transport

Reproduction

Cell Structure

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Question 48 Report

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

Answer Details

Read lesson note on DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

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Question 49 Report

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

secondary consumers

primary consumers

producers

predators

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Read lesson note on Food Webs And Trophic Levels (WAEC)

Animal Nutrition

Food Webs And Trophic Levels

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Question 50 Report

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments

Consist of unbranched filaments

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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