JAMB UTME - Biology - 1981 | Green Bridge CBT

Pergunta 1 Relatório

Choose the sequence which represents the correct order of organisms in a food chain.

Grass, snake, toad, grasshopper, hawk

Grass, grasshopper, toad, snake, hawk Resposta correta

Grass, grasshopper, snake, toad, hawk

Grass, snake, grasshopper, toad, hawk

Grass, toad, snake, grasshopper, hawk

Detalhes da Resposta

Ler a nota de aula em Food Webs And Trophic Levels (WAEC)

Ler a nota de aula em Reproduction (Physical Changes In Males And Females) (WAEC)

Food Webs And Trophic Levels

Reproduction (Physical Changes In Males And Females)

Ver Resposta

Pergunta 2 Relatório

Where is the food stored in yam plant?

stem Resposta correta

Bud

Adventitous root

Leaves

Tap root

Detalhes da Resposta

Ler a nota de aula em Protein Synthesis (WAEC)

Protein Synthesis

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Pergunta 3 Relatório

Nitrification means

conversion of nitrates to nitrogen

fixing nitrogen into plants

conversion of nitrates to nitrites

changing of ammonia to nitrities, then nitrates Resposta correta

nitrogen cycle

Detalhes da Resposta

Ler a nota de aula em Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Pergunta 4 Relatório

Which of the following statement is NOT true of symbiosis?

Symbionts must be living

It is an association of 'give and take'

The association may involve two plants

Association between two similar species Resposta correta

Symbionts derive mutual benefit

Detalhes da Resposta

Ler a nota de aula em Symbiotic Interactions Of Plants And Animals (JAMB)

Ler a nota de aula em Natural Habitats (JAMB)

Symbiotic Interactions Of Plants And Animals

Natural Habitats

Ver Resposta

Pergunta 5 Relatório

Which of these substance is likely to be deficient in the diet of a person having goitre?

potassuim

calcium

iodine Resposta correta

sodium

Phosphorus

Detalhes da Resposta

Ler a nota de aula em Animal Nutrition (WAEC)

Animal Nutrition

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Pergunta 6 Relatório

A person whose blood can be donated to all other people, must have the blood group

O Resposta correta

none of the above

Detalhes da Resposta

Ler a nota de aula em Support And Movement (JAMB)

Support And Movement

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Pergunta 7 Relatório

Which of the following is the dental formula of man?

i(2/2) c(0/1) pm(2/2) m(3/3)

i(2/2) c(1/1) pm(2/0) m(3/3)

i(2/2) c(1/1) pm(2/2) m(3/3) Resposta correta

i(2/2) c(1/1) pm(3/3) m(2/2)

i(2/2) c(1/1) pm(2/3) m(3/3)

Detalhes da Resposta

Ler a nota de aula em Physiological Variations (WAEC)

Physiological Variations

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Pergunta 8 Relatório

If the anthers of a flower mature before the stigma, the condition is termed

epigyny

hypogyny

protogyny

protandry Resposta correta

perigyny

Detalhes da Resposta

Ler a nota de aula em Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

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Pergunta 9 Relatório

Normally any character shown by an organism is due to the effects of

hormones and chromosomes

chromosomes

mutation

hormones and genes

genes and enviroment Resposta correta

Detalhes da Resposta

Ler a nota de aula em Genetic Terminologies (WAEC)

Ler a nota de aula em Chromosomes: The Basis Of Heredity (WAEC)

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Ver Resposta

Pergunta 10 Relatório

What would happen if solution Y is more concentrated than solution X in the figure above?

the level of X would rise, Y would fall

the level of X would rise Y would rise

The level of X and Y would stay the same

The level of Y would rise and X would fall Resposta correta

The levels of Y would fall and X would fall

Detalhes da Resposta

Ver Resposta

Pergunta 11 Relatório

One common feature of the fungi, algae, mosses and ferns is that they

are photosynthetic

show alternation of generation

reproduce by means of conjugation

can survive dry conditions

have no seeds Resposta correta

Detalhes da Resposta

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Pergunta 12 Relatório

The tissue which connects a muscle to a bone is a

cartiligae

muscle fibre

tendon Resposta correta

ligament

connecting fibre

Detalhes da Resposta

Ler a nota de aula em Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

Ver Resposta

Pergunta 13 Relatório

The two types of human tapeworm can be distinguished by the presence or absence of

scolex

hook Resposta correta

head

sucker

proglottis

Detalhes da Resposta

Ler a nota de aula em Classification (WAEC)

Ler a nota de aula em Cell Structure (WAEC)

Classification

Cell Structure

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Pergunta 14 Relatório

Soil is said to be fertile if

It is black

it can supply usable nutrients to plants Resposta correta

the oxygen content is very high

artificial manure is added to it

it is not waterlogged

Detalhes da Resposta

Ler a nota de aula em Soil (JAMB)

Ler a nota de aula em Soil (WAEC)

Soil

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Pergunta 15 Relatório

The joint at Y in the figure above is

ball and socket

hinge Resposta correta

pivot

rivet

none of the above

Detalhes da Resposta

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Pergunta 16 Relatório

The hepatic portal vein is unique because it

carries deoxygenated blood

begins and ends with capillaries

is the largest vein in mammals

carries digested food Resposta correta

is the shortest vein in mammals

Detalhes da Resposta

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Pergunta 17 Relatório

The functional unit of a mammalian kidney is the

urethra

malphigian capsule

glomerulus

nephron Resposta correta

ureter

Detalhes da Resposta

Ler a nota de aula em Tissues And Supporting Systems: (WAEC)

Ler a nota de aula em Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Ler a nota de aula em Spirogyra And Rhizopus (WAEC)

Ler a nota de aula em Natural Habitats (JAMB)

Tissues And Supporting Systems:

Excretory Systems And Mechanisms; Types Of Excretory Systems

Spirogyra And Rhizopus

Natural Habitats

Ver Resposta

Pergunta 18 Relatório

What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?

0 tall : 4 short

3 tall : 1 short

2 short : 2 tall

1 tall : 1 short

4 tall : o short Resposta correta

Detalhes da Resposta

Ler a nota de aula em Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

Ver Resposta

Pergunta 19 Relatório

Growing yam tendrils climb for support. This growth response is

haptotropism Resposta correta

geotropism

phototropism

hydrotropism

chemotropism

Detalhes da Resposta

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Pergunta 20 Relatório

Which of the structure becomes the seed coat after fertilization?

3 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Regulation Of Internal Environment (WAEC)

Regulation Of Internal Environment

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Pergunta 21 Relatório

A plant which has a horizontal underground stem is

rhizome Resposta correta

corm

creeper

tuber

bulb

Detalhes da Resposta

Ler a nota de aula em Forms In Which Living Cells Exist (WAEC)

Ler a nota de aula em Tissues And Supporting Systems: (WAEC)

Forms In Which Living Cells Exist

Tissues And Supporting Systems:

Ver Resposta

Pergunta 22 Relatório

An instrument used in measuring the speed of wind is

a barometer

a wind gauge

a wind vane

an anemometer Resposta correta

a hydrometer

Detalhes da Resposta

Ler a nota de aula em Microorganisms: Man And Health (WAEC)

Ler a nota de aula em Simple Measurement Of Ecological Factors (WAEC)

Microorganisms: Man And Health

Simple Measurement Of Ecological Factors

Ver Resposta

Pergunta 23 Relatório

The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

12453

24135

21435 Resposta correta

14325

31425

Detalhes da Resposta

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Pergunta 24 Relatório

Which of the following animals is cold blooded

Cat

Lizard Resposta correta

Whale

Bird

Horse

Detalhes da Resposta

Ler a nota de aula em Evidence Of Evolution (JAMB)

Evidence Of Evolution

Ver Resposta

Pergunta 25 Relatório

The correct route for a piece of bread eaten by a mammal is

oral cavity - oesophagus - stomach - ileum - rectum Resposta correta

oral - cavity - stomach - oesophagus - duodenum - ileum - rectum

oral cavity - oesophagus - duodenum - rectum

oral cavity - oesophagus - ileum - stomach - duodenum - rectum

oral cavity - oesophagus - stomach - ileum - duodenum - rectum

Detalhes da Resposta

Ler a nota de aula em Alimentary System (WAEC)

Alimentary System

Ver Resposta

Pergunta 26 Relatório

The bone labelled X in the figure above is the

ulna

fibula

radius

humerus Resposta correta

tibia

Detalhes da Resposta

Ler a nota de aula em Cell Structure (WAEC)

Cell Structure

Ver Resposta

Pergunta 27 Relatório

A surprising fact about sickle cell disease is that it

affects only black people

kills the patient

is hereditary Resposta correta

affects blood cells

weakens the patient

Detalhes da Resposta

Ver Resposta

Pergunta 28 Relatório

A fruit formed from a single flower having several free carpels is

a multiple fruit

a dry dehiscent fruit

a dry indehiscent fruit

a simple fruit

an aggregate fruit Resposta correta

Detalhes da Resposta

Ler a nota de aula em Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Ver Resposta

Pergunta 29 Relatório

In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces

alcohol

oxygen

carbon dioxide Resposta correta

energy

ethanol

Detalhes da Resposta

Ler a nota de aula em Movement (WAEC)

Ler a nota de aula em Nucleic Acids (WAEC)

Movement

Nucleic Acids

Ver Resposta

Pergunta 30 Relatório

All the following are digestive enzymes except

bile Resposta correta

lipase

maltase

pepsin

ptyalin

Detalhes da Resposta

Ler a nota de aula em Alimentary System (WAEC)

Alimentary System

Ver Resposta

Pergunta 31 Relatório

The deficiency of vitamin D leads to

scurvy

pellagra

rickets Resposta correta

beriberi

polio

Detalhes da Resposta

Ler a nota de aula em Population Studies By Sampling (WAEC)

Population Studies By Sampling

Ver Resposta

Pergunta 32 Relatório

If Benedict's solution gives a positive result in a food test, the food contains

sugar Resposta correta

protein

oil

fat

cellulose

Detalhes da Resposta

Ver Resposta

Pergunta 33 Relatório

The kind of teeth used for tearing food materials is the

fang

canine Resposta correta

premolar

carnassial

incisor

Detalhes da Resposta

Ler a nota de aula em Nutrition (JAMB)

Nutrition

Ver Resposta

Pergunta 34 Relatório

What is the part marked X in the figure above called?

Pulmonary artery Resposta correta

Pulmonary vein

Vena cava

Main aorta

Hepatic artery

Detalhes da Resposta

Ler a nota de aula em Integrated Water Resources Management (WAEC)

Ler a nota de aula em Cell Structure (WAEC)

Ler a nota de aula em Respiratory System (WAEC)

Integrated Water Resources Management

Cell Structure

Respiratory System

Ver Resposta

Pergunta 35 Relatório

Which of the following insects has an incomplete metamorphosis during its life circle?

Butterfly

Bee

Mosquito

House-fly

Grasshopper Resposta correta

Detalhes da Resposta

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Pergunta 36 Relatório

The mushroom is an organism which feeds

parasitically

saprophytically Resposta correta

holozoically

symbiotically

autotrophically

Detalhes da Resposta

Ler a nota de aula em Humans And Environment (JAMB)

Ler a nota de aula em Biotechnology (WAEC)

Humans And Environment

Biotechnology

Ver Resposta

Pergunta 37 Relatório

Milk protein is hydrolyzed by

renin

amylase

lipase

lactase

pepsin Resposta correta

Detalhes da Resposta

Ler a nota de aula em Protein Synthesis (WAEC)

Protein Synthesis

Ver Resposta

Pergunta 38 Relatório

Which of the following is NOT a function of the liver?

Regulation of blood sugar

Storage of iron

Formation of bile

Breakdown of excess amino acids

Excretion of urea from the blood Resposta correta

Detalhes da Resposta

Ver Resposta

Pergunta 39 Relatório

Which of the following statements is NOT true of menstruation?

It occurs monthly

The discharge contains amniotic fluid Resposta correta

Its signifies no conception

It involves the lining of uterus

It may cause pains

Detalhes da Resposta

Ver Resposta

Pergunta 40 Relatório

The thoracic vertebrae of a mammal is characterized by the

vertebraterial canal

prominent neural arch

prominent transverse

prominent neural spine Resposta correta

prominent centrum

Detalhes da Resposta

Ler a nota de aula em Organization Of Life (WAEC)

Organization Of Life

Ver Resposta

Pergunta 41 Relatório

What is name of the respiratory organ of the crab?

Tubules

Trachaea

Spiracles

Lungs

Gills Resposta correta

Detalhes da Resposta

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Pergunta 42 Relatório

Accommodation of the human eye is best described as the

ability to see distant objects

movement of upper and lower eyelids

focusing of near and distant objects Resposta correta

changing of lens shape due to varying light intensities

constant adjustment of the iris

Detalhes da Resposta

Ver Resposta

Pergunta 43 Relatório

In which of the following plants is swollen shoot disease common?

Groundnut

cocoa Resposta correta

Corn

Cotton

Rubber

Detalhes da Resposta

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Pergunta 44 Relatório

Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

Klinostat Resposta correta

Manometer

Porometer

Potometer

Photometer

Detalhes da Resposta

Ler a nota de aula em Natural Habitats (JAMB)

Natural Habitats

Ver Resposta

Pergunta 45 Relatório

Which of the following is NOT true of wind-pollinated flowers?

A large amount of pollen produced

Light smooth pollen grains

Small inconspicuous flowers

Scented petals Resposta correta

Large pendulous anther

Detalhes da Resposta

Ler a nota de aula em Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Ver Resposta

Pergunta 46 Relatório

What is the function of the contractile vacuole in paramecium?

Produces enzymes

Gets rid of excreta

Stores and digest food

Gets rid of excess water Resposta correta

Controls movement

Detalhes da Resposta

Ler a nota de aula em Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

Ver Resposta

Pergunta 47 Relatório

which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?

3 Resposta correta

Detalhes da Resposta

Ler a nota de aula em Transport: Guttation (WAEC)

Transport: Guttation

Ver Resposta

Pergunta 48 Relatório

The rate of transpiration of a leafy shoot would be highest under

damp, cold, still air

damp, warm, moving air

dry, warm, moving air Resposta correta

dry, cold, moving air

dry, warm, still air

Detalhes da Resposta

Ler a nota de aula em Ecological Management (WAEC)

Ler a nota de aula em Evolution (Recombination DNA) (WAEC)

Ecological Management

Evolution (Recombination DNA)

Ver Resposta

Pergunta 49 Relatório

Spirogyra reproduces vegetatively by

spore production

fragmentation Resposta correta

multiple fission

budding

binary fission

Detalhes da Resposta

Ler a nota de aula em Forms In Which Living Cells Exist (WAEC)

Ler a nota de aula em Reproduction (Physical Changes In Males And Females) (WAEC)

Forms In Which Living Cells Exist

Reproduction (Physical Changes In Males And Females)

Ver Resposta






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