JAMB UTME - Biology - 1986 | Green Bridge CBT

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

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Lees lesnotitie op Heredity (JAMB)

Heredity

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Vraag 16 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

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

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Vraag 17 Verslag

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

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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 18 Verslag

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments

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 19 Verslag

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral

pectoral and dorsal

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Lees lesnotitie op Ecosystem (WAEC)

Ecosystem

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Vraag 20 Verslag

Which of the following is an example of discontinuous variation?

skin colouration

left handedness

body weight

Height

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Lees lesnotitie op Heredity (JAMB)

Heredity

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Vraag 21 Verslag

Deamination occurs in the

kidney

pancreas

spleen

liver

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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 22 Verslag

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

gum

pulp cavity

cement

enarmel

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Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

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Vraag 23 Verslag

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat

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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 24 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

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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 25 Verslag

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

secondary consumers

primary consumers

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 26 Verslag

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

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Lees lesnotitie op Nutrition (JAMB)

Nutrition

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Vraag 27 Verslag

Which of these animals is radially symmetrical?

squid

Hydra

Snail

Cockroach

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Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

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Vraag 28 Verslag

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer

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Lees lesnotitie op Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

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Vraag 29 Verslag

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.

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Lees lesnotitie op Ecological Factors (WAEC)

Lees lesnotitie op Ecosystem (WAEC)

Ecological Factors

Ecosystem

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Vraag 30 Verslag

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

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Lees lesnotitie op Respiratory System (WAEC)

Respiratory System

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Vraag 31 Verslag

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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Vraag 32 Verslag

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

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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

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Vraag 33 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

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Vraag 34 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

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 35 Verslag

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy

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Vraag 36 Verslag

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water

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 37 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

loamy

clay

humus

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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 38 Verslag

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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Vraag 39 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

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Vraag 40 Verslag

In community, bacteria and fungi are referred to as

producers

decomposers

scavengers

consumers

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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 41 Verslag

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede

Earthworm

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Vraag 42 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

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Vraag 43 Verslag

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

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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 44 Verslag

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

Vane

rachis

barbules

barbs

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Vraag 45 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

1 → 2 → 3 → 4

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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 46 Verslag

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

auxanometer

potometer

klinostat

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 47 Verslag

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve

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

Application Of The Principles Of Heredity

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Vraag 48 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

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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 49 Verslag

Which of these is a trace element?

Iron

Copper

Calcium

Sulphur

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Lees lesnotitie op Organization Of Life (WAEC)

Organization Of Life

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Vraag 50 Verslag

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

adrenalin

auxin

insulin

thyroxine

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Lees lesnotitie op Hormonal Coordination (WAEC)

Hormonal Coordination

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