JAMB UTME - Biology - 1981 | Green Bridge CBT

Ibeere 1 Ìròyìn

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

Butterfly

Bee

Mosquito

House-fly

Grasshopper Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 2 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

Wo Idahun

Ibeere 3 Ìròyìn

Which of the following animals is cold blooded

Cat

Lizard Ìdáhùn tó tọ́

Whale

Bird

Horse

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Evidence Of Evolution (JAMB)

Evidence Of Evolution

Wo Idahun

Ibeere 4 Ìròyìn

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 Ìdáhùn tó tọ́

Large pendulous anther

Awọn alaye Idahun

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

Internal Structure Of A Flowering Plant

Wo Idahun

Ibeere 5 Ìròyìn

The joint at Y in the figure above is

ball and socket

hinge Ìdáhùn tó tọ́

pivot

rivet

none of the above

Awọn alaye Idahun

Wo Idahun

Ibeere 6 Ìròyìn

Soil is said to be fertile if

It is black

it can supply usable nutrients to plants Ìdáhùn tó tọ́

the oxygen content is very high

artificial manure is added to it

it is not waterlogged

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Soil (JAMB)

Ka ìwé ẹ̀kọ́ nípa Soil (WAEC)

Soil

Wo Idahun

Ibeere 7 Ìròyìn

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

Pulmonary artery Ìdáhùn tó tọ́

Pulmonary vein

Vena cava

Main aorta

Hepatic artery

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Integrated Water Resources Management (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Ka ìwé ẹ̀kọ́ nípa Respiratory System (WAEC)

Integrated Water Resources Management

Cell Structure

Respiratory System

Wo Idahun

Ibeere 8 Ìròyìn

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 Ìdáhùn tó tọ́

The levels of Y would fall and X would fall

Awọn alaye Idahun

Wo Idahun

Ibeere 9 Ìròyìn

Nitrification means

conversion of nitrates to nitrogen

fixing nitrogen into plants

conversion of nitrates to nitrites

changing of ammonia to nitrities, then nitrates Ìdáhùn tó tọ́

nitrogen cycle

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nitrogen Cycle (WAEC)

Nitrogen Cycle

Wo Idahun

Ibeere 10 Ìròyìn

All the following are digestive enzymes except

bile Ìdáhùn tó tọ́

lipase

maltase

pepsin

ptyalin

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Alimentary System (WAEC)

Alimentary System

Wo Idahun

Ibeere 11 Ìròyìn

A surprising fact about sickle cell disease is that it

affects only black people

kills the patient

is hereditary Ìdáhùn tó tọ́

affects blood cells

weakens the patient

Awọn alaye Idahun

Wo Idahun

Ibeere 12 Ìròyìn

Which of the following statements is NOT true of menstruation?

It occurs monthly

The discharge contains amniotic fluid Ìdáhùn tó tọ́

Its signifies no conception

It involves the lining of uterus

It may cause pains

Awọn alaye Idahun

Wo Idahun

Ibeere 13 Ìròyìn

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

scolex

hook Ìdáhùn tó tọ́

head

sucker

proglottis

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Classification (WAEC)

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Classification

Cell Structure

Wo Idahun

Ibeere 14 Ìròyìn

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

Groundnut

cocoa Ìdáhùn tó tọ́

Corn

Cotton

Rubber

Awọn alaye Idahun

Wo Idahun

Ibeere 15 Ìròyìn

An instrument used in measuring the speed of wind is

a barometer

a wind gauge

a wind vane

an anemometer Ìdáhùn tó tọ́

a hydrometer

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Microorganisms: Man And Health (WAEC)

Ka ìwé ẹ̀kọ́ nípa Simple Measurement Of Ecological Factors (WAEC)

Microorganisms: Man And Health

Simple Measurement Of Ecological Factors

Wo Idahun

Ibeere 16 Ìròyìn

Which of the structure becomes the seed coat after fertilization?

3 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Regulation Of Internal Environment (WAEC)

Regulation Of Internal Environment

Wo Idahun

Ibeere 17 Ìròyìn

Where is the food stored in yam plant?

stem Ìdáhùn tó tọ́

Bud

Adventitous root

Leaves

Tap root

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Protein Synthesis (WAEC)

Protein Synthesis

Wo Idahun

Ibeere 18 Ìròyìn

The bone labelled X in the figure above is the

ulna

fibula

radius

humerus Ìdáhùn tó tọ́

tibia

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Cell Structure (WAEC)

Cell Structure

Wo Idahun

Ibeere 19 Ìròyìn

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 Ìdáhùn tó tọ́

Symbionts derive mutual benefit

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Symbiotic Interactions Of Plants And Animals (JAMB)

Ka ìwé ẹ̀kọ́ nípa Natural Habitats (JAMB)

Symbiotic Interactions Of Plants And Animals

Natural Habitats

Wo Idahun

Ibeere 20 Ìròyìn

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

epigyny

hypogyny

protogyny

protandry Ìdáhùn tó tọ́

perigyny

Awọn alaye Idahun

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

Internal Structure Of A Flowering Plant

Wo Idahun

Ibeere 21 Ìròyìn

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

oral cavity - oesophagus - stomach - ileum - rectum Ìdáhùn tó tọ́

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

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Alimentary System (WAEC)

Alimentary System

Wo Idahun

Ibeere 22 Ìròyìn

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

3 Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Transport: Guttation (WAEC)

Transport: Guttation

Wo Idahun

Ibeere 23 Ìròyìn

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

alcohol

oxygen

carbon dioxide Ìdáhùn tó tọ́

energy

ethanol

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Movement (WAEC)

Ka ìwé ẹ̀kọ́ nípa Nucleic Acids (WAEC)

Movement

Nucleic Acids

Wo Idahun

Ibeere 24 Ìròyìn

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

O Ìdáhùn tó tọ́

none of the above

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Support And Movement (JAMB)

Support And Movement

Wo Idahun

Ibeere 25 Ìròyìn

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

12453

24135

21435 Ìdáhùn tó tọ́

14325

31425

Awọn alaye Idahun

Wo Idahun

Ibeere 26 Ìròyìn

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

hormones and chromosomes

chromosomes

mutation

hormones and genes

genes and enviroment Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Genetic Terminologies (WAEC)

Ka ìwé ẹ̀kọ́ nípa Chromosomes: The Basis Of Heredity (WAEC)

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Wo Idahun

Ibeere 27 Ìròyìn

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

Grass, snake, toad, grasshopper, hawk

Grass, grasshopper, toad, snake, hawk Ìdáhùn tó tọ́

Grass, grasshopper, snake, toad, hawk

Grass, snake, grasshopper, toad, hawk

Grass, toad, snake, grasshopper, hawk

Awọn alaye Idahun

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

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

Food Webs And Trophic Levels

Reproduction (Physical Changes In Males And Females)

Wo Idahun

Ibeere 28 Ìròyìn

Spirogyra reproduces vegetatively by

spore production

fragmentation Ìdáhùn tó tọ́

multiple fission

budding

binary fission

Awọn alaye Idahun

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

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

Forms In Which Living Cells Exist

Reproduction (Physical Changes In Males And Females)

Wo Idahun

Ibeere 29 Ìròyìn

Milk protein is hydrolyzed by

renin

amylase

lipase

lactase

pepsin Ìdáhùn tó tọ́

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Protein Synthesis (WAEC)

Protein Synthesis

Wo Idahun

Ibeere 30 Ìròyìn

The deficiency of vitamin D leads to

scurvy

pellagra

rickets Ìdáhùn tó tọ́

beriberi

polio

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Population Studies By Sampling (WAEC)

Population Studies By Sampling

Wo Idahun

Ibeere 31 Ìròyìn

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 Ìdáhùn tó tọ́

Controls movement

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

Wo Idahun

Ibeere 32 Ìròyìn

The mushroom is an organism which feeds

parasitically

saprophytically Ìdáhùn tó tọ́

holozoically

symbiotically

autotrophically

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Humans And Environment (JAMB)

Ka ìwé ẹ̀kọ́ nípa Biotechnology (WAEC)

Humans And Environment

Biotechnology

Wo Idahun

Ibeere 33 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 34 Ìròyìn

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 Ìdáhùn tó tọ́

is the shortest vein in mammals

Awọn alaye Idahun

Wo Idahun

Ibeere 35 Ìròyìn

Growing yam tendrils climb for support. This growth response is

haptotropism Ìdáhùn tó tọ́

geotropism

phototropism

hydrotropism

chemotropism

Awọn alaye Idahun

Wo Idahun

Ibeere 36 Ìròyìn

The functional unit of a mammalian kidney is the

urethra

malphigian capsule

glomerulus

nephron Ìdáhùn tó tọ́

ureter

Awọn alaye Idahun

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

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

Ka ìwé ẹ̀kọ́ nípa Spirogyra And Rhizopus (WAEC)

Ka ìwé ẹ̀kọ́ nípa Natural Habitats (JAMB)

Tissues And Supporting Systems:

Excretory Systems And Mechanisms; Types Of Excretory Systems

Spirogyra And Rhizopus

Natural Habitats

Wo Idahun

Ibeere 37 Ìròyìn

What is name of the respiratory organ of the crab?

Tubules

Trachaea

Spiracles

Lungs

Gills Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 38 Ìròyìn

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 Ìdáhùn tó tọ́

changing of lens shape due to varying light intensities

constant adjustment of the iris

Awọn alaye Idahun

Wo Idahun

Ibeere 39 Ìròyìn

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

Klinostat Ìdáhùn tó tọ́

Manometer

Porometer

Potometer

Photometer

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Natural Habitats (JAMB)

Natural Habitats

Wo Idahun

Ibeere 40 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

Wo Idahun

Ibeere 41 Ìròyìn

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

damp, cold, still air

damp, warm, moving air

dry, warm, moving air Ìdáhùn tó tọ́

dry, cold, moving air

dry, warm, still air

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Ecological Management (WAEC)

Ka ìwé ẹ̀kọ́ nípa Evolution (Recombination DNA) (WAEC)

Ecological Management

Evolution (Recombination DNA)

Wo Idahun

Ibeere 42 Ìròyìn

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 Ìdáhùn tó tọ́

Awọn alaye Idahun

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

Morphology Of Monocotyledonous And Dicotyledonous Plants

Wo Idahun

Ibeere 43 Ìròyìn

A plant which has a horizontal underground stem is

rhizome Ìdáhùn tó tọ́

corm

creeper

tuber

bulb

Awọn alaye Idahun

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

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

Forms In Which Living Cells Exist

Tissues And Supporting Systems:

Wo Idahun

Ibeere 44 Ìròyìn

The tissue which connects a muscle to a bone is a

cartiligae

muscle fibre

tendon Ìdáhùn tó tọ́

ligament

connecting fibre

Awọn alaye Idahun

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

Tissues And Supporting Systems:

Wo Idahun

Ibeere 45 Ìròyìn

The kind of teeth used for tearing food materials is the

fang

canine Ìdáhùn tó tọ́

premolar

carnassial

incisor

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Nutrition (JAMB)

Nutrition

Wo Idahun

Ibeere 46 Ìròyìn

The thoracic vertebrae of a mammal is characterized by the

vertebraterial canal

prominent neural arch

prominent transverse

prominent neural spine Ìdáhùn tó tọ́

prominent centrum

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Organization Of Life (WAEC)

Organization Of Life

Wo Idahun

Ibeere 47 Ìròyìn

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

potassuim

calcium

iodine Ìdáhùn tó tọ́

sodium

Phosphorus

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Animal Nutrition (WAEC)

Animal Nutrition

Wo Idahun

Ibeere 48 Ìròyìn

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

sugar Ìdáhùn tó tọ́

protein

oil

fat

cellulose

Awọn alaye Idahun

Wo Idahun

Ibeere 49 Ìròyìn

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) Ìdáhùn tó tọ́

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

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

Awọn alaye Idahun

Ka ìwé ẹ̀kọ́ nípa Physiological Variations (WAEC)

Physiological Variations

Wo Idahun






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