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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heredity (JAMB)

Heredity

Wo Idahun

Ibeere 15 Ìròyìn

Deamination occurs in the

kidney

pancreas

spleen

liver Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Animal Nutrition (WAEC)

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Ka ìwé ẹ̀kọ́ nípa Blood Transfusion (WAEC)

Ka ìwé ẹ̀kọ́ nípa Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Animal Nutrition

Organization Of Life

Blood Transfusion

Excretory Systems And Mechanisms; Types Of Excretory Systems

Wo Idahun

Ibeere 16 Ìròyìn

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

Rainfall, temperature and light Ìdáhùn tó tọ́

Salinity, rainfall and altitude

Tides, wind, rainfall and altitude

pH, salinity, rainfall and humidity.

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Ecological Factors (WAEC)

Ka ìwé ẹ̀kọ́ nípa Ecosystem (WAEC)

Ecological Factors

Ecosystem

Wo Idahun

Ibeere 17 Ìròyìn

Which of these animals is radially symmetrical?

squid

Hydra Ìdáhùn tó tọ́

Snail

Cockroach

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Organization Of Life

Wo Idahun

Ibeere 18 Ìròyìn

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

Wo Idahun

Ibeere 19 Ìròyìn

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

gum

pulp cavity Ìdáhùn tó tọ́

cement

enarmel

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Cell Structure

Wo Idahun

Ibeere 20 Ìròyìn

The main organic substances found in the human body are

carbohydrates, proteins and salts

salts, fats and proteins

fat, carbohydrates and protein Ìdáhùn tó tọ́

salts, fats and carbohydrates

Awọn alaye Idahun

Wo Idahun

Ibeere 21 Ìròyìn

Blood circulation in a mammalian is said to be double because

it passes twice through the heart in a complete circuit Ìdáhùn tó tọ́

it moves in both arteries and veins

it circulates in both the heart and other organs

the heart contain auricles and ventricles

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Transport System (WAEC)

Ka ìwé ẹ̀kọ́ nípa Adaptation For Survival (WAEC)

Transport System

Adaptation For Survival

Wo Idahun

Ibeere 22 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 23 Ìròyìn

In community, bacteria and fungi are referred to as

producers

decomposers Ìdáhùn tó tọ́

scavengers

consumers

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Ka ìwé ẹ̀kọ́ nípa Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Ka ìwé ẹ̀kọ́ nípa Ecosystem (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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

Ecosystem

Wo Idahun

Ibeere 24 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 25 Ìròyìn

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Wo Idahun

Ibeere 26 Ìròyìn

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Ka ìwé ẹ̀kọ́ nípa Internal Structure Of A Flowering Plant (JAMB)

Cell Structure

Internal Structure Of A Flowering Plant

Wo Idahun

Ibeere 27 Ìròyìn

Which of these disease CANNOT be prevented by immunization?

Poliomyelitis

Tuberculosis

Cholera

onchocerciasis Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

Wo Idahun

Ibeere 28 Ìròyìn

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

Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 29 Ìròyìn

Which of the following is an example of discontinuous variation?

skin colouration

left handedness Ìdáhùn tó tọ́

body weight

Height

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heredity (JAMB)

Heredity

Wo Idahun

Ibeere 30 Ìròyìn

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

adrenalin

auxin

insulin Ìdáhùn tó tọ́

thyroxine

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Hormonal Coordination (WAEC)

Hormonal Coordination

Wo Idahun

Ibeere 31 Ìròyìn

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments Ìdáhùn tó tọ́

Consist of unbranched filaments

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Wo Idahun

Ibeere 32 Ìròyìn

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 Ìdáhùn tó tọ́

reducing sugar is presents

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Classification (WAEC)

Ka ìwé ẹ̀kọ́ nípa Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Ka ìwé ẹ̀kọ́ nípa Alimentary System (WAEC)

Ka ìwé ẹ̀kọ́ nípa Reproduction (Physical Changes In Males And Females) (WAEC)

Classification

Morphology Of Monocotyledonous And Dicotyledonous Plants

Alimentary System

Reproduction (Physical Changes In Males And Females)

Wo Idahun

Ibeere 33 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Wo Idahun

Ibeere 34 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Movement Of Substances Into And Out Of Cells (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

Wo Idahun

Ibeere 35 Ìròyìn

Which of the following has cones?

Angiosperms

Gymnosperms Ìdáhùn tó tọ́

Pteridophyte

Bryophyte

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Forms In Which Living Cells Exist (WAEC)

Ka ìwé ẹ̀kọ́ nípa Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Forms In Which Living Cells Exist

Morphology Of Monocotyledonous And Dicotyledonous Plants

Wo Idahun

Ibeere 36 Ìròyìn

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 Ìdáhùn tó tọ́

loamy

clay

humus

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Transport (WAEC)

Ka ìwé ẹ̀kọ́ nípa Animal Nutrition (WAEC)

Ka ìwé ẹ̀kọ́ nípa Soil (WAEC)

Transport

Animal Nutrition

Soil

Wo Idahun

Ibeere 37 Ìròyìn

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

secondary consumers

primary consumers Ìdáhùn tó tọ́

producers

predators

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Animal Nutrition (WAEC)

Ka ìwé ẹ̀kọ́ nípa Food Webs And Trophic Levels (WAEC)

Animal Nutrition

Food Webs And Trophic Levels

Wo Idahun

Ibeere 38 Ìròyìn

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede Ìdáhùn tó tọ́

Earthworm

Awọn alaye Idahun

Wo Idahun

Ibeere 39 Ìròyìn

Gestation in mammals is the period

required for growth after birth

between the formation of the foetus and birth Ìdáhùn tó tọ́

of development from zygote to birth

before the formation of the zygote

Awọn alaye Idahun

Wo Idahun

Ibeere 40 Ìròyìn

Incomplete metamorphosis occurs in the

butterfly

grasshopper Ìdáhùn tó tọ́

mosquito

housefly

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Variety Of Organisms (JAMB)

Ka ìwé ẹ̀kọ́ nípa Biological Fuel Generation (WAEC)

Ka ìwé ẹ̀kọ́ nípa Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

Wo Idahun

Ibeere 41 Ìròyìn

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Application Of The Principles Of Heredity (WAEC)

Application Of The Principles Of Heredity

Wo Idahun

Ibeere 42 Ìròyìn

The male cockroach differs from the female by having

mandibles

a pair of style Ìdáhùn tó tọ́

spiracles

a pair of cerci

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Heredity (JAMB)

Heredity

Wo Idahun

Ibeere 43 Ìròyìn

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

Sodium

Potassium

Calcium

Iron Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Wo Idahun

Ibeere 44 Ìròyìn

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

Vane

rachis

barbules Ìdáhùn tó tọ́

barbs

Awọn alaye Idahun

Wo Idahun

Ibeere 45 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Cell Structure

Wo Idahun

Ibeere 46 Ìròyìn

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

short neural spine and vertebraterial canal Ìdáhùn tó tọ́

prozygapophysis and cervical ribs

large centrum and cervical ribs

vertebraterial canal and large centrum

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Ka ìwé ẹ̀kọ́ nípa Classification (WAEC)

Organization Of Life

Classification

Wo Idahun

Ibeere 47 Ìròyìn

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

on the same radii Ìdáhùn tó tọ́

scattered

on alternate radii

towards the pith

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Cell Structure

Wo Idahun

Ibeere 48 Ìròyìn

Which of these is a trace element?

Iron

Copper Ìdáhùn tó tọ́

Calcium

Sulphur

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Organization Of Life

Wo Idahun

Ibeere 49 Ìròyìn

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

auxanometer

potometer

klinostat Ìdáhùn tó tọ́

photometer

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Respiration (JAMB)

Ka ìwé ẹ̀kọ́ nípa Co-ordination And Control (JAMB)

Respiration

Co-ordination And Control

Wo Idahun

Ibeere 50 Ìròyìn

Fishes are cold blooded because their body temperature is

constantly low

constantly high

dependent on that of their surroundings Ìdáhùn tó tọ́

regulated at will

Awọn alaye Idahun

Wo Idahun






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