JAMB UTME - Biology - 1981

Ajụjụ 1 Ripọtì

Milk protein is hydrolyzed by

renin

amylase

lipase

lactase

pepsin Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Protein Synthesis (WAEC)

Protein Synthesis

Lee Azịza

Ajụjụ 2 Ripọtì

What is name of the respiratory organ of the crab?

Tubules

Trachaea

Spiracles

Lungs

Gills Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 3 Ripọtì

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 Azịza ziri ezi

Symbionts derive mutual benefit

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Symbiotic Interactions Of Plants And Animals (JAMB)

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Symbiotic Interactions Of Plants And Animals

Natural Habitats

Lee Azịza

Ajụjụ 4 Ripọtì

The thoracic vertebrae of a mammal is characterized by the

vertebraterial canal

prominent neural arch

prominent transverse

prominent neural spine Azịza ziri ezi

prominent centrum

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Organization Of Life (WAEC)

Organization Of Life

Lee Azịza

Ajụjụ 5 Ripọtì

The deficiency of vitamin D leads to

scurvy

pellagra

rickets Azịza ziri ezi

beriberi

polio

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Population Studies By Sampling (WAEC)

Population Studies By Sampling

Lee Azịza

Ajụjụ 6 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Lee Azịza

Ajụjụ 7 Ripọtì

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

3 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Transport: Guttation (WAEC)

Transport: Guttation

Lee Azịza

Ajụjụ 8 Ripọtì

The mushroom is an organism which feeds

parasitically

saprophytically Azịza ziri ezi

holozoically

symbiotically

autotrophically

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Humans And Environment (JAMB)

Gụọ akwụkwọ nkuzi na Biotechnology (WAEC)

Humans And Environment

Biotechnology

Lee Azịza

Ajụjụ 9 Ripọtì

A surprising fact about sickle cell disease is that it

affects only black people

kills the patient

is hereditary Azịza ziri ezi

affects blood cells

weakens the patient

Akọwa Nkọwa

Lee Azịza

Ajụjụ 10 Ripọtì

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

Groundnut

cocoa Azịza ziri ezi

Corn

Cotton

Rubber

Akọwa Nkọwa

Lee Azịza

Ajụjụ 11 Ripọtì

All the following are digestive enzymes except

bile Azịza ziri ezi

lipase

maltase

pepsin

ptyalin

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Alimentary System (WAEC)

Alimentary System

Lee Azịza

Ajụjụ 12 Ripọtì

A plant which has a horizontal underground stem is

rhizome Azịza ziri ezi

corm

creeper

tuber

bulb

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Forms In Which Living Cells Exist (WAEC)

Gụọ akwụkwọ nkuzi na Tissues And Supporting Systems: (WAEC)

Forms In Which Living Cells Exist

Tissues And Supporting Systems:

Lee Azịza

Ajụjụ 13 Ripọtì

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 Azịza ziri ezi

The levels of Y would fall and X would fall

Akọwa Nkọwa

Lee Azịza

Ajụjụ 14 Ripọtì

Which of the following statements is NOT true of menstruation?

It occurs monthly

The discharge contains amniotic fluid Azịza ziri ezi

Its signifies no conception

It involves the lining of uterus

It may cause pains

Akọwa Nkọwa

Lee Azịza

Ajụjụ 15 Ripọtì

The tissue which connects a muscle to a bone is a

cartiligae

muscle fibre

tendon Azịza ziri ezi

ligament

connecting fibre

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Tissues And Supporting Systems: (WAEC)

Tissues And Supporting Systems:

Lee Azịza

Ajụjụ 16 Ripọtì

The functional unit of a mammalian kidney is the

urethra

malphigian capsule

glomerulus

nephron Azịza ziri ezi

ureter

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Tissues And Supporting Systems: (WAEC)

Gụọ akwụkwọ nkuzi na Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Gụọ akwụkwọ nkuzi na Spirogyra And Rhizopus (WAEC)

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Tissues And Supporting Systems:

Excretory Systems And Mechanisms; Types Of Excretory Systems

Spirogyra And Rhizopus

Natural Habitats

Lee Azịza

Ajụjụ 17 Ripọtì

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

12453

24135

21435 Azịza ziri ezi

14325

31425

Akọwa Nkọwa

Lee Azịza

Ajụjụ 18 Ripọtì

Nitrification means

conversion of nitrates to nitrogen

fixing nitrogen into plants

conversion of nitrates to nitrites

changing of ammonia to nitrities, then nitrates Azịza ziri ezi

nitrogen cycle

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nitrogen Cycle (WAEC)

Nitrogen Cycle

Lee Azịza

Ajụjụ 19 Ripọtì

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

oral cavity - oesophagus - stomach - ileum - rectum Azịza ziri ezi

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Alimentary System (WAEC)

Alimentary System

Lee Azịza

Ajụjụ 20 Ripọtì

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) Azịza ziri ezi

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

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

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Physiological Variations (WAEC)

Physiological Variations

Lee Azịza

Ajụjụ 21 Ripọtì

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

sugar Azịza ziri ezi

protein

oil

fat

cellulose

Akọwa Nkọwa

Lee Azịza

Ajụjụ 22 Ripọtì

Which of the following animals is cold blooded

Cat

Lizard Azịza ziri ezi

Whale

Bird

Horse

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Evidence Of Evolution (JAMB)

Evidence Of Evolution

Lee Azịza

Ajụjụ 23 Ripọtì

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

scolex

hook Azịza ziri ezi

head

sucker

proglottis

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Classification (WAEC)

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Classification

Cell Structure

Lee Azịza

Ajụjụ 24 Ripọtì

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

alcohol

oxygen

carbon dioxide Azịza ziri ezi

energy

ethanol

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Movement (WAEC)

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Movement

Nucleic Acids

Lee Azịza

Ajụjụ 25 Ripọtì

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 Azịza ziri ezi

is the shortest vein in mammals

Akọwa Nkọwa

Lee Azịza

Ajụjụ 26 Ripọtì

Where is the food stored in yam plant?

stem Azịza ziri ezi

Bud

Adventitous root

Leaves

Tap root

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Protein Synthesis (WAEC)

Protein Synthesis

Lee Azịza

Ajụjụ 27 Ripọtì

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

Grass, snake, toad, grasshopper, hawk

Grass, grasshopper, toad, snake, hawk Azịza ziri ezi

Grass, grasshopper, snake, toad, hawk

Grass, snake, grasshopper, toad, hawk

Grass, toad, snake, grasshopper, hawk

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Food Webs And Trophic Levels (WAEC)

Gụọ akwụkwọ nkuzi na Reproduction (Physical Changes In Males And Females) (WAEC)

Food Webs And Trophic Levels

Reproduction (Physical Changes In Males And Females)

Lee Azịza

Ajụjụ 28 Ripọtì

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

epigyny

hypogyny

protogyny

protandry Azịza ziri ezi

perigyny

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Lee Azịza

Ajụjụ 29 Ripọtì

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

O Azịza ziri ezi

none of the above

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Support And Movement (JAMB)

Support And Movement

Lee Azịza

Ajụjụ 30 Ripọtì

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

hormones and chromosomes

chromosomes

mutation

hormones and genes

genes and enviroment Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Genetic Terminologies (WAEC)

Gụọ akwụkwọ nkuzi na Chromosomes: The Basis Of Heredity (WAEC)

Genetic Terminologies

Chromosomes: The Basis Of Heredity

Lee Azịza

Ajụjụ 31 Ripọtì

The kind of teeth used for tearing food materials is the

fang

canine Azịza ziri ezi

premolar

carnassial

incisor

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Nutrition

Lee Azịza

Ajụjụ 32 Ripọtì

Growing yam tendrils climb for support. This growth response is

haptotropism Azịza ziri ezi

geotropism

phototropism

hydrotropism

chemotropism

Akọwa Nkọwa

Lee Azịza

Ajụjụ 33 Ripọtì

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

damp, cold, still air

damp, warm, moving air

dry, warm, moving air Azịza ziri ezi

dry, cold, moving air

dry, warm, still air

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Ecological Management (WAEC)

Gụọ akwụkwọ nkuzi na Evolution (Recombination DNA) (WAEC)

Ecological Management

Evolution (Recombination DNA)

Lee Azịza

Ajụjụ 34 Ripọtì

Spirogyra reproduces vegetatively by

spore production

fragmentation Azịza ziri ezi

multiple fission

budding

binary fission

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Forms In Which Living Cells Exist (WAEC)

Gụọ akwụkwọ nkuzi na Reproduction (Physical Changes In Males And Females) (WAEC)

Forms In Which Living Cells Exist

Reproduction (Physical Changes In Males And Females)

Lee Azịza

Ajụjụ 35 Ripọtì

The joint at Y in the figure above is

ball and socket

hinge Azịza ziri ezi

pivot

rivet

none of the above

Akọwa Nkọwa

Lee Azịza

Ajụjụ 36 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 37 Ripọtì

Soil is said to be fertile if

It is black

it can supply usable nutrients to plants Azịza ziri ezi

the oxygen content is very high

artificial manure is added to it

it is not waterlogged

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (JAMB)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Soil

Lee Azịza

Ajụjụ 38 Ripọtì

The bone labelled X in the figure above is the

ulna

fibula

radius

humerus Azịza ziri ezi

tibia

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Cell Structure

Lee Azịza

Ajụjụ 39 Ripọtì

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

Pulmonary artery Azịza ziri ezi

Pulmonary vein

Vena cava

Main aorta

Hepatic artery

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Integrated Water Resources Management (WAEC)

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Gụọ akwụkwọ nkuzi na Respiratory System (WAEC)

Integrated Water Resources Management

Cell Structure

Respiratory System

Lee Azịza

Ajụjụ 40 Ripọtì

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

potassuim

calcium

iodine Azịza ziri ezi

sodium

Phosphorus

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Animal Nutrition (WAEC)

Animal Nutrition

Lee Azịza

Ajụjụ 41 Ripọtì

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 Azịza ziri ezi

Controls movement

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

Lee Azịza

Ajụjụ 42 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Chromosomes: The Basis Of Heredity (WAEC)

Chromosomes: The Basis Of Heredity

Lee Azịza

Ajụjụ 43 Ripọtì

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

Klinostat Azịza ziri ezi

Manometer

Porometer

Potometer

Photometer

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Natural Habitats

Lee Azịza

Ajụjụ 44 Ripọtì

An instrument used in measuring the speed of wind is

a barometer

a wind gauge

a wind vane

an anemometer Azịza ziri ezi

a hydrometer

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Microorganisms: Man And Health (WAEC)

Gụọ akwụkwọ nkuzi na Simple Measurement Of Ecological Factors (WAEC)

Microorganisms: Man And Health

Simple Measurement Of Ecological Factors

Lee Azịza

Ajụjụ 45 Ripọtì

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 Azịza ziri ezi

changing of lens shape due to varying light intensities

constant adjustment of the iris

Akọwa Nkọwa

Lee Azịza

Ajụjụ 46 Ripọtì

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

Butterfly

Bee

Mosquito

House-fly

Grasshopper Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 47 Ripọtì

Which of the structure becomes the seed coat after fertilization?

3 Azịza ziri ezi

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Regulation Of Internal Environment (WAEC)

Regulation Of Internal Environment

Lee Azịza

Ajụjụ 48 Ripọtì

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 Azịza ziri ezi

Akọwa Nkọwa

Lee Azịza

Ajụjụ 49 Ripọtì

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 Azịza ziri ezi

Large pendulous anther

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Internal Structure Of A Flowering Plant (JAMB)

Internal Structure Of A Flowering Plant

Lee Azịza






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