JAMB UTME - Biology - 1986 | Green Bridge CBT

Question 1 Report

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy Correct answer

Answer Details

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Question 2 Report

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

Sodium

Potassium

Calcium

Iron Correct answer

Answer Details

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

DNA Structure And Replication, RNA Transcription

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Question 3 Report

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat Correct answer

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 4 Report

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Correct answer

regulated at will

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Question 5 Report

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Correct answer

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 6 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 Correct answer

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 7 Report

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer Correct answer

Answer Details

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

Tissues And Supporting Systems:

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Question 8 Report

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

short neural spine and vertebraterial canal Correct answer

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 9 Report

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

adrenalin

auxin

insulin Correct answer

thyroxine

Answer Details

Read lesson note on Hormonal Coordination (WAEC)

Hormonal Coordination

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Question 10 Report

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing Correct answer

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 fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral Correct answer

pectoral and dorsal

Answer Details

Read lesson note on Ecosystem (WAEC)

Ecosystem

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Question 12 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 Correct answer

some adult workers which are specially fed breed

developing nymphs nurtured as secondary reproductives

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Question 13 Report

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments Correct answer

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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Question 14 Report

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

intercostal muscles contract

diaphragm is raised Correct answer

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 15 Report

Incomplete metamorphosis occurs in the

butterfly

grasshopper Correct answer

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 16 Report

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Correct answer

salts, fats and carbohydrates

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Question 17 Report

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

Correct answer

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 18 Report

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve Correct answer

Answer Details

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

Application Of The Principles Of Heredity

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Question 19 Report

In an agricultural ecosystem, the biotic component consists of

crop, pest and beneficial insects Correct answer

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 20 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 Correct answer

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 21 Report

Blood circulation in a mammalian is said to be double because

it passes twice through the heart in a complete circuit Correct answer

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 22 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 Correct answer

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Question 23 Report

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Correct answer

of development from zygote to birth

before the formation of the zygote

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Question 24 Report

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water Correct answer

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 25 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 Correct answer

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 26 Report

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

secondary consumers

primary consumers Correct answer

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 27 Report

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

gum

pulp cavity Correct answer

cement

enarmel

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 28 Report

Which of these is a trace element?

Iron

Copper Correct answer

Calcium

Sulphur

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 29 Report

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

Vane

rachis

barbules Correct answer

barbs

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Question 30 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 Correct answer

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 31 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 Correct answer

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 32 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 Correct answer

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Question 33 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

Correct answer

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Question 34 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 Correct answer

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Question 35 Report

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

on the same radii Correct answer

scattered

on alternate radii

towards the pith

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 36 Report

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Correct answer

body weight

Height

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 37 Report

In community, bacteria and fungi are referred to as

producers

decomposers Correct answer

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 38 Report

Deamination occurs in the

kidney

pancreas

spleen

liver Correct answer

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 39 Report

Which of the following has cones?

Angiosperms

Gymnosperms Correct answer

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 40 Report

The swollen shoot disease of cocoa tree is caused by a

virus Correct answer

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 41 Report

The male cockroach differs from the female by having

mandibles

a pair of style Correct answer

spiracles

a pair of cerci

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 42 Report

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

auxanometer

potometer

klinostat Correct answer

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 43 Report

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede Correct answer

Earthworm

Answer Details

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Question 44 Report

Which of these animals is radially symmetrical?

squid

Hydra Correct answer

Snail

Cockroach

Answer Details

Read lesson note on Organization Of Life (WAEC)

Organization Of Life

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Question 45 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 Correct answer

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 46 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