JAMB UTME - Biology - 1982 | Green Bridge CBT

An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?

Radiation

Sweat

Evaporation

Conduction

Convection Correct answer

Answer Details

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Classification (WAEC)

Read lesson note on Regulation Of Internal Environment (WAEC)

Read lesson note on Relevance Of Biology To Agriculture (WAEC)

Organization Of Life

Classification

Regulation Of Internal Environment

Relevance Of Biology To Agriculture

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Question 20 Report

In man, identical twins occur when

An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo Correct answer

an ovum fertilized by two sperms and then divides into two, each forming an embryo

two ova are fertilized at the same tine each forming an embryo

two ova are fertilized by a single sperm each forming an embryo after fertilization

one ovum first divides into two and each half is fertilized by a sperm before developing into an embryo

Answer Details

Read lesson note on Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

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Question 21 Report

In the figure above the structured labelled X is the

cellulose cell wall

plasma membrane

nuclear membrane

mucilage wall Correct answer

ectoplasm

Answer Details

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

Read lesson note on Cell Structure (WAEC)

Movement Of Substances Into And Out Of Cells

Cell Structure

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Question 22 Report

The glottis is the opening which leads to the

Oesophagus

Larynx Correct answer

Nostrils

Pharynx

Mouth

Answer Details

Read lesson note on Ways Of Ensuring Conservation (WAEC)

Read lesson note on Support And Movement (JAMB)

Ways Of Ensuring Conservation

Support And Movement

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Question 23 Report

Which of the following statements is TRUE of inhalation of air by man?

The ribs are not raised

Diaphragm is raised

Intercostal muscles relax

Pressure of the thoracic cavity increase

Size of thoracic cavity increase Correct answer

Answer Details

Read lesson note on Respiratory System (WAEC)

Respiratory System

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Question 24 Report

ONE of the major causes of haemophilia is lack of

firbrinogen Correct answer

amylase

white blood corpuscles

red blood corpuscles

plasma

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 25 Report

If a farmer left his land uncultivated for five years before returning to it, he must be practising

modern agriculture

strip cropping

contour ridging

crop rotation

the bush fallow system Correct answer

Answer Details

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

Read lesson note on Evolution (Recombination DNA) (WAEC)

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

Evolution (Recombination DNA)

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Question 26 Report

The main function of the swim-bladder is for

Swimming

Detecting sound

Buoyancy Correct answer

Breathing

Reproduction

Answer Details

Read lesson note on Relevance Of Biology To Agriculture (WAEC)

Read lesson note on The Cell And Its Environment: Physical And Biophysical Processes (WAEC)

Relevance Of Biology To Agriculture

The Cell And Its Environment: Physical And Biophysical Processes

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Question 27 Report

In man, spermatozoa are never found in the

testis

urethra

epididymis

prostrate glands Correct answer

vas deferens

Answer Details

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

Ecological Management: Tolerance, Minimum And Maximum

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Question 28 Report

Treatment of a poor soil with lime supplies

Sulphur

Calcium Correct answer

Phosphorus

Sodium

Nitrogen

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 29 Report

Which of the parts are used to recognize the bone in the figure above?

1 and 4

2 and 3

3 and 5

1, 2, and 6

4 and 5 Correct answer

Answer Details

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

Tissues And Supporting Systems:

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Question 30 Report

Kwashiorkor is caused by severe deficiency of

Water

Oil

Drugs

Proteins Correct answer

Sugars

Answer Details

Read lesson note on Animal Nutrition (WAEC)

Animal Nutrition

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Question 31 Report

External ears of mammals consist of

pinna and tympanum

pinna only

auditory meatus only

auditory meatus and pinna Correct answer

auditory meatus and tympanum

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Sense Organs (Eyes & Ears) (WAEC)

Classification

Sense Organs (Eyes & Ears)

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Question 32 Report

An onion bulb stores its food in the

Stem

Leaves Correct answer

Roots

Cotyledon

Branches

Answer Details

Read lesson note on Ecology Of Population (WAEC)

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

Read lesson note on Transport System (WAEC)

Read lesson note on Organization Of Life (WAEC)

Ecology Of Population

Forms In Which Living Cells Exist

Transport System

Organization Of Life

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Question 33 Report

In an epigeal germination, it is the

epicotyl that elongates fast

hypocotyl that elongates fast Correct answer

hypogeal that elongates fast

plumule that elongates fast

roots that elongate fast

Answer Details

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Question 34 Report

If a tall man (TT) maries a dwarf woman (gg) and they have four male children, the offspring will be

All short

Three short and one tall

Two short and two tall

One short and three tall

All tall Correct answer

Answer Details

Read lesson note on Heredity (JAMB)

Heredity

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Question 35 Report

when an operculate fish breathes it takes in water through the

mouth and passes it out through the same way

mouth and passes it out through the operculum Correct answer

operculum and passes it out through the mouth

operculum and passes it out through the nostrils

nostrils and passes it out through the operculum

Answer Details

Read lesson note on Cellular Respiration (WAEC)

Read lesson note on Cell Structure (WAEC)

Cellular Respiration

Cell Structure

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Question 36 Report

A tapeworm has no alimentary canal because

It is autotrophic

It does not feed

It has no enzymes

Its body absorbs digested food Correct answer

The suckers on the scolex suck blood

Answer Details

Read lesson note on Alimentary System (WAEC)

Alimentary System

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Question 37 Report

Where is the energy produced in a cell?

Nucleus

Nucleolus

Lysosomes

Chloroplast

Mitochondria Correct answer

Answer Details

Read lesson note on Nucleic Acids (WAEC)

Nucleic Acids

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Question 38 Report

A population is defined as the collection of

Similar organism that are found in the same habitat

Similar organisms that breed in the same habitat

Similar organisms that interbreed freely in the same habitat Correct answer

Similar organism eating the same food

Different organisms in the same habitat

Answer Details

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Question 39 Report

Which of these parts of the mammalian ears is directly concerned with the sense of balance?

Cochlea

Eustachian tube

Ear-drum

Pinna

Semicircular canals Correct answer

Answer Details

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Question 40 Report

Any dry fruit which can break into several parts each containing one seed is a

capsule

aggregrate fruit

legume

schizocarp Correct answer

follicle

Answer Details

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Question 41 Report

Which of these food chains is NOT possible in a forest?

Diatom → fly → toad → snake

Fly → toad → snake→ hawk

Leaves → antelope → man → lion

Leaves → caterpillar → bird → lion

Leaves →goat → man→ lion Correct answer

Answer Details

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

Read lesson note on Reproduction (Physical Changes In Males And Females) (WAEC)

Food Webs And Trophic Levels

Reproduction (Physical Changes In Males And Females)

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Question 42 Report

When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to

the addition of saccharin

the addition of sugar

the addition of whisky or local gin

some complex hydrolytic reaction

anaerobic respiration of an organism Correct answer

Answer Details

Read lesson note on Adaptive Colouration (WAEC)

Adaptive Colouration

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Question 43 Report

The absence of stomata shows that a leaf may be

from a floating plant

from submerged plant Correct answer

varigated

from a terrestrial plant

from parasitic green plant

Answer Details

Read lesson note on Plant Nutrition (WAEC)

Plant Nutrition

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Question 44 Report

In the enzyme (amlyase) reactions of starch → sugar
starch is referred to as the

substrate Correct answer

product

enzyme

enzyme-substrate complex

reaction mixture

Answer Details

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

DNA Structure And Replication, RNA Transcription

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Question 45 Report

The mammalian pancreas is involved with the

digestion of food only

digestion and absorption of food

digestion of food and regulation of blood sugar

digestion of food, production of hormone and the regulation of blood Correct answer

digestion of food, and the regulation of blood

Answer Details

Read lesson note on Support And Movement (JAMB)

Read lesson note on Reproduction (JAMB)

Support And Movement

Reproduction

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Question 46 Report

A grass hopper respires by the means of its

Lung-books

Gills

Lungs

Antennae

Tracheal tubes Correct answer

Answer Details

Read lesson note on Variety Of Organisms (JAMB)

Variety Of Organisms

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Question 47 Report

The parts of the mammalian eye that strongly bend light rays are the

cornea and the lens

cornea and aqueous humour

cornea and vitreous humour

lens and aqueous humour

lens and vitreous humour Correct answer

Answer Details

Read lesson note on Sense Organs (Nose, Tongue & Skin) (WAEC)

Read lesson note on Behavioural Adaptations In Social Animals (WAEC)

Read lesson note on Reproduction (Courtship Behaviour In Animals) (WAEC)

Sense Organs (Nose, Tongue & Skin)

Behavioural Adaptations In Social Animals

Reproduction (Courtship Behaviour In Animals)

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Question 48 Report

Refrigeration, as a method of preservation, has ONE of the following characteristics:

Kills all the bacteria

Kill most of the bacteria

Makes the bacteria inactive Correct answer

Dries food

Hydrolyses food

Answer Details

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Question 49 Report

Some of the major elements required by plants are

Potassium, nitrogen, phosphorus, sodium, calcium Correct answer

Nitrogen, phosphorus, molybdenum, sodium, calcium

Potassium, phosphorus, molybdenum, sodium, calcium

Potassium, nitrogen, iron , sodium, calcium

Potassium, nitrogen, phosphorus, silicon, cadmium

Answer Details

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Question 50 Report

The three blood vessels that supply the mammalian alimentary canals are

segmented artery, hepatic artery and coeliac artery

coeliac artery, anterior mesenteric artery and posteroir mesenteric artery Correct answer

coelic artery, segmental artery and hepatic artery

hepatic artery, anterior mesenteric artery and posterior mesenteric artery

hepatic portal vein, anterior mesenteric artery and posterior mesenteric artery

Answer Details

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

Ecological Management: Tolerance, Minimum And Maximum

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