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

Bayanin Amsa

Karanta bayanin darasi akan Heredity (JAMB)

Heredity

Duba Amsa

Tambaya 14 Rahoto

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

auricles valve

tricupid valve

ventricles valve

bicuspid valve

Bayanin Amsa

Karanta bayanin darasi akan Application Of The Principles Of Heredity (WAEC)

Application Of The Principles Of Heredity

Duba Amsa

Tambaya 15 Rahoto

Nastic movement is

response to light stimulus

non-directional

directional

response to internal stimulus

Bayanin Amsa

Karanta bayanin darasi akan Protein Synthesis (WAEC)

Karanta bayanin darasi akan Movement (WAEC)

Protein Synthesis

Movement

Duba Amsa

Tambaya 16 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Duba Amsa

Tambaya 17 Rahoto

The fins making up the limbs of the bony fish are

caudal and ventral

ventra and pelvic

pelvic and pectoral

pectoral and dorsal

Bayanin Amsa

Karanta bayanin darasi akan Ecosystem (WAEC)

Ecosystem

Duba Amsa

Tambaya 18 Rahoto

The swollen shoot disease of cocoa tree is caused by a

virus

fungus

bacterium

protozoan

Bayanin Amsa

Karanta bayanin darasi akan Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Duba Amsa

Tambaya 19 Rahoto

Which of these animals is radially symmetrical?

squid

Hydra

Snail

Cockroach

Bayanin Amsa

Karanta bayanin darasi akan Organization Of Life (WAEC)

Organization Of Life

Duba Amsa

Tambaya 20 Rahoto

Incomplete metamorphosis occurs in the

butterfly

grasshopper

mosquito

housefly

Bayanin Amsa

Karanta bayanin darasi akan Variety Of Organisms (JAMB)

Karanta bayanin darasi akan Biological Fuel Generation (WAEC)

Karanta bayanin darasi akan Physiological Variations (WAEC)

Variety Of Organisms

Biological Fuel Generation

Physiological Variations

Duba Amsa

Tambaya 21 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 22 Rahoto

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

sebaceous gland

sweat gland

subcubaneous layer

malpighian layer

Bayanin Amsa

Karanta bayanin darasi akan Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

Duba Amsa

Tambaya 23 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 24 Rahoto

Which of the following is NOT true of spirogyra?

Reproduces by conjugation

Reproduces by fragmentation

Consist of branched filaments

Consist of unbranched filaments

Bayanin Amsa

Karanta bayanin darasi akan Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

Duba Amsa

Tambaya 25 Rahoto

Which of the following has cones?

Angiosperms

Gymnosperms

Pteridophyte

Bryophyte

Bayanin Amsa

Karanta bayanin darasi akan Forms In Which Living Cells Exist (WAEC)

Karanta bayanin darasi akan Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Forms In Which Living Cells Exist

Morphology Of Monocotyledonous And Dicotyledonous Plants

Duba Amsa

Tambaya 26 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Adaptive Colouration (WAEC)

Karanta bayanin darasi akan Nucleic Acids (WAEC)

Adaptive Colouration

Nucleic Acids

Duba Amsa

Tambaya 27 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 28 Rahoto

The following are methods of soil conservation EXCEPT

contour terracing

strip cropping

contour ploughing

mixed grazing

Bayanin Amsa

Karanta bayanin darasi akan Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

Duba Amsa

Tambaya 29 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Respiratory System (WAEC)

Respiratory System

Duba Amsa

Tambaya 30 Rahoto

In community, bacteria and fungi are referred to as

producers

decomposers

scavengers

consumers

Bayanin Amsa

Karanta bayanin darasi akan Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Karanta bayanin darasi akan Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Karanta bayanin darasi akan Ecosystem (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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

Ecosystem

Duba Amsa

Tambaya 31 Rahoto

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

on the same radii

scattered

on alternate radii

towards the pith

Bayanin Amsa

Karanta bayanin darasi akan Cell Structure (WAEC)

Cell Structure

Duba Amsa

Tambaya 32 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Transport System (WAEC)

Karanta bayanin darasi akan Adaptation For Survival (WAEC)

Transport System

Adaptation For Survival

Duba Amsa

Tambaya 33 Rahoto

Oxygen liberated during photosynthesis has been demonstrated to come from

carbondioxide

air

water

chlorophyll

Bayanin Amsa

Karanta bayanin darasi akan Properties And Functions Of The Living Cell (WAEC)

Properties And Functions Of The Living Cell

Duba Amsa

Tambaya 34 Rahoto

The severe deficiency of vitamin C leads to

Kwashiokor

beriberi

pellagra

scurvy

Bayanin Amsa

Duba Amsa

Tambaya 35 Rahoto

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

secondary consumers

primary consumers

producers

predators

Bayanin Amsa

Karanta bayanin darasi akan Animal Nutrition (WAEC)

Karanta bayanin darasi akan Food Webs And Trophic Levels (WAEC)

Animal Nutrition

Food Webs And Trophic Levels

Duba Amsa

Tambaya 36 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 37 Rahoto

The structure labelled 1 is the

plumule

radicle

cell membrane

seed coat

Bayanin Amsa

Karanta bayanin darasi akan Cell Structure (WAEC)

Karanta bayanin darasi akan Internal Structure Of A Flowering Plant (JAMB)

Cell Structure

Internal Structure Of A Flowering Plant

Duba Amsa

Tambaya 38 Rahoto

The male cockroach differs from the female by having

mandibles

a pair of style

spiracles

a pair of cerci

Bayanin Amsa

Karanta bayanin darasi akan Heredity (JAMB)

Heredity

Duba Amsa

Tambaya 39 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Transport (WAEC)

Karanta bayanin darasi akan Animal Nutrition (WAEC)

Karanta bayanin darasi akan Soil (WAEC)

Transport

Animal Nutrition

Soil

Duba Amsa

Tambaya 40 Rahoto

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

Vane

rachis

barbules

barbs

Bayanin Amsa

Duba Amsa

Tambaya 41 Rahoto

Which of the following lacks chaetae, tentacles and antennae?

Snail

Crab

Millipede

Earthworm

Bayanin Amsa

Duba Amsa

Tambaya 42 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 43 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 44 Rahoto

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

Bayanin Amsa

Duba Amsa

Tambaya 45 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Ecology Of Population (WAEC)

Karanta bayanin darasi akan Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Karanta bayanin darasi akan Soil (WAEC)

Ecology Of Population

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

Soil

Duba Amsa

Tambaya 46 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Movement Of Substances Into And Out Of Cells (WAEC)

Karanta bayanin darasi akan Cellular Respiration (WAEC)

Movement Of Substances Into And Out Of Cells

Cellular Respiration

Duba Amsa

Tambaya 47 Rahoto

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.

Bayanin Amsa

Karanta bayanin darasi akan Ecological Factors (WAEC)

Karanta bayanin darasi akan Ecosystem (WAEC)

Ecological Factors

Ecosystem

Duba Amsa

Tambaya 48 Rahoto

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

Sodium

Potassium

Calcium

Iron

Bayanin Amsa

Karanta bayanin darasi akan DNA Structure And Replication, RNA Transcription (WAEC)

DNA Structure And Replication, RNA Transcription

Duba Amsa

Tambaya 49 Rahoto

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

auxanometer

potometer

klinostat

photometer

Bayanin Amsa

Karanta bayanin darasi akan Respiration (JAMB)

Karanta bayanin darasi akan Co-ordination And Control (JAMB)

Respiration

Co-ordination And Control

Duba Amsa

Tambaya 50 Rahoto

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

Bayanin Amsa

Karanta bayanin darasi akan Transport System (WAEC)

Karanta bayanin darasi akan Transport (JAMB)

Karanta bayanin darasi akan Reproduction (JAMB)

Karanta bayanin darasi akan Cell Structure (WAEC)

Transport System

Transport

Reproduction

Cell Structure

Duba Amsa






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