In an angiosperm leaf, the xylem is

in separate bundles from the phloem

JAMB UTME - Biology - 1985

Ajụjụ 1 Ripọtì

The maize grain is a fruit and not a seed because it

has a large endosperm

is formed from an ovary

is a monocotyledon

has no plumule and radicle

has a hypogeal germination

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Lee Azịza

Ajụjụ 2 Ripọtì

Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones

3 → 1 → 2 → 4

3 → 2 →4 → 1

3 → 1 →2 → 4

3 → 4 → 1 → 2

3 → 1 → 4 → 2

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Protein Synthesis (WAEC)

Protein Synthesis

Lee Azịza

Ajụjụ 3 Ripọtì

Which of the following is seed bearing?

Mosses

Whistling pine

Algal filament

liverwort

Fern fronds

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Cell Structure

Lee Azịza

Ajụjụ 4 Ripọtì

In spirogyra, the pyrenoid

excretes waste products

is suspended by cytoplasmic strands

is mainly used for respiration

usually contains starch

makes the plants slimy to touch

Akọwa Nkọwa

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

Forms In Which Living Cells Exist

Lee Azịza

Ajụjụ 5 Ripọtì

Which of the following events does NOT occur during anaerobic respiration of glucose?

Muscle cells produce lactic acid

Carbon dioxide is produced

Milk bacteria produce lactic acid

Energy is not produced

Germinating seeds produced alcohol

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cellular Respiration (WAEC)

Cellular Respiration

Lee Azịza

Ajụjụ 6 Ripọtì

Which of the following is common to a dicotyledonous stem and monocotyledonous root?

Medullary rays

Central pith

Wide cortex

Narrow cortex

Pericycle fibres

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

Lee Azịza

Ajụjụ 7 Ripọtì

In which of the following groups of animals are flagella and cilia found?

Flatworms

Annelids

Coelenterates

protozoa

Nematodes

Akọwa Nkọwa

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

Amoeba, Paramecium, And Euglena

Lee Azịza

Ajụjụ 8 Ripọtì

Germination which results in the cotyledons being brought above ground is called

hypocotyl

epicotyl

epigeal

hypogeal

plumule

Akọwa Nkọwa

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

Morphology Of Monocotyledonous And Dicotyledonous Plants

Lee Azịza

Ajụjụ 9 Ripọtì

In fish the sense organs which detect movements in water are located within the

gills

operculum

nostrils

median fin

lateral line

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Sense Organs (Nose, Tongue & Skin) (WAEC)

Sense Organs (Nose, Tongue & Skin)

Lee Azịza

Ajụjụ 10 Ripọtì

In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the

motor neurons

effector muscles

dendrites

sensory neurons

synapses

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Properties And Functions Of The Living Cell (WAEC)

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Gụọ akwụkwọ nkuzi na Spirogyra And Rhizopus (WAEC)

Gụọ akwụkwọ nkuzi na Nervous Coordination (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Properties And Functions Of The Living Cell

Nucleic Acids

Spirogyra And Rhizopus

Nervous Coordination

Lee Azịza

Ajụjụ 11 Ripọtì

Blood platelets are important because they are

amoeboid and nucleated

produce antitoxins

produce antibodies

digest harmful bacteria

release thrombin for blood clothing

Akọwa Nkọwa

Lee Azịza

Ajụjụ 12 Ripọtì

A relationship between living organisms which is of mutual benefit is

parasitism

saprophtism

ecosystem

symbiosis

commensalism

Akọwa Nkọwa

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

Symbiotic Interactions Of Plants And Animals

Lee Azịza

Ajụjụ 13 Ripọtì

In which of the following groups of animals are flagella and cilia found?

Flatworms

Annelids

Coelenterates

protozoa

Nematodes

Akọwa Nkọwa

Flagella and cilia are found in protozoa. Flagella are slender thread-like structures, especially microscopic whip-like appendages which enables many protozoa, bacteria, spermatozoa, etc. to swim. Cilia are microscopic, hair-like structures that extend outwardfrom the surface of protozoan cells.

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

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

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

Lee Azịza

Ajụjụ 14 Ripọtì

The initial volume of water poured into 60g bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore

46.7

25.0

20.0

30.0

58.3

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Soil

Lee Azịza

Ajụjụ 15 Ripọtì

Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry

1, 2, 3

1, 2, 5

2, 3, 5

2, 4, 5

1, 3, 5

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cellular Respiration (WAEC)

Gụọ akwụkwọ nkuzi na Organization Of Life (WAEC)

Gụọ akwụkwọ nkuzi na Movement (WAEC)

Cellular Respiration

Organization Of Life

Movement

Lee Azịza

Ajụjụ 16 Ripọtì

Bryophtes are different from flower because they

live in moist habita

are small plants

reproduce sexually and asexually

have small leaves

have no vascular tissue

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Physiological Variations (WAEC)

Forms In Which Living Cells Exist

Physiological Variations

Lee Azịza

Ajụjụ 17 Ripọtì

The origin of mineral particles in the soil is

humus

water

micro-organisms

weathered rock

organic matter

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (JAMB)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

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

Soil

Internal Structure Of A Flowering Plant

Lee Azịza

Ajụjụ 18 Ripọtì

Tsetse fly is harmful to man because it is associated with the spread of

river blindness

malaria

sleeping sickness

leprosy

dysentry

Akọwa Nkọwa

Lee Azịza

Ajụjụ 19 Ripọtì

which of the following is NOT true of mucor? it

contains chlorophll

grows saprophytically

bears spores in sporangium

consist of hypae

reproduces by conjugation

Akọwa Nkọwa

Lee Azịza

Ajụjụ 20 Ripọtì

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber

Akọwa Nkọwa

A stem tuber forms from thickened rhizomes or stolons. The top sides of the tuber produce shoots that grow into typical stems and leaves and the under sides produce roots. They tend to form at the sides of the parent plant and are most often located near the soil surface. Irish potato is a stem tuber.

Gụọ akwụkwọ nkuzi na Nitrogen Cycle (WAEC)

Gụọ akwụkwọ nkuzi na Morphological Variations In The Physical Appearance Of Individuals (WAEC)

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Nitrogen Cycle

Morphological Variations In The Physical Appearance Of Individuals

Nutrition

Lee Azịza

Ajụjụ 21 Ripọtì

Each of the following is an anthropod EXCEPT the

crab

spider

snail

milipede

cockroach

Akọwa Nkọwa

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

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

Gụọ akwụkwọ nkuzi na Theories Of Evolution (JAMB)

Forms In Which Living Cells Exist

Microorganisms: Man And Health

Theories Of Evolution

Lee Azịza

Ajụjụ 22 Ripọtì

Partially digested food ready to leave the stomach is referred to as

chyme

curd

glycogen

paste

roughage

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Gụọ akwụkwọ nkuzi na Growth (JAMB)

Nutrition

Growth

Lee Azịza

Ajụjụ 23 Ripọtì

In lower plants like mosses, the structure which performs the functions of roots of higher plants is called

root hairs

rootlets

hypae

rhizoids

thalli

Akọwa Nkọwa

Lee Azịza

Ajụjụ 24 Ripọtì

Water retention is highest in soils which are rich in

sand, poor in humus and devoid of clay

clay and sand, but poor in humus

clay and humus, but poor in sand

clay, poor in humus and devoid of sand

sand and humus, but poor in clay

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (JAMB)

Gụọ akwụkwọ nkuzi na Soil (WAEC)

Soil

Lee Azịza

Ajụjụ 25 Ripọtì

A young plant showing yellow leaves is likely to be deficient in

calcium

magnesium

potassium

boron

molybdenum

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Modes Of Nutrition (WAEC)

Gụọ akwụkwọ nkuzi na Plant Nutrition (WAEC)

Modes Of Nutrition

Plant Nutrition

Lee Azịza

Ajụjụ 26 Ripọtì

A group of similar cells performing the same function is

an organ

a system

a tissue

an organelle

an enzymes

Akọwa Nkọwa

Lee Azịza

Ajụjụ 27 Ripọtì

The vein which returns blood from the head and arms to the heart is called

aorta

inferior vena cava

superior vena cava

pulmonary vein

pulmonary artery

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Ecological Management (WAEC)

Ecological Management

Lee Azịza

Ajụjụ 28 Ripọtì

Which of the following is NOT caused by bacteria?

Cholera

Gonorrhoea

Tuberculosis

Onchoceriasis

Typhoid

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Gụọ akwụkwọ nkuzi na Physiological Variations (WAEC)

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

Physiological Variations

Lee Azịza

Ajụjụ 29 Ripọtì

A food substance which produces red colouration with Sudan III contain

protein

sugar

starch

cellulose

fat

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Gụọ akwụkwọ nkuzi na Nucleic Acids (WAEC)

Nutrition

Nucleic Acids

Lee Azịza

Ajụjụ 30 Ripọtì

For pollen to be released in Crotalaria the insect must depress the

wing

keel

standard

antepetalous stamen

antesepalous stamen

Akọwa Nkọwa

Lee Azịza

Ajụjụ 31 Ripọtì

Movements and positions of the head in man are detected by the

cochlea

malleus

utriculus

semicircular canals

outer ear

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Sense Organs (Nose, Tongue & Skin) (WAEC)

Gụọ akwụkwọ nkuzi na Nervous Coordination (WAEC)

Sense Organs (Nose, Tongue & Skin)

Nervous Coordination

Lee Azịza

Ajụjụ 32 Ripọtì

If a flower is protandrous then it

must be unisexual

has an undeveloped androecium

has no androecium

must be insect-pollinated

can prevent self pollination

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nutrition (JAMB)

Nutrition

Lee Azịza

Ajụjụ 33 Ripọtì

Soil erosion CANNOT be controlled by

planting cover crops

contouring of sloping ground

terracing of slopes

laying of mulch

burning of bush

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Soil (JAMB)

Soil

Lee Azịza

Ajụjụ 34 Ripọtì

An old man is likely to be long-sighted because age affects the

optic nerves

retina

ciliary muscles

cornea

aqueous humour

Akọwa Nkọwa

Lee Azịza

Ajụjụ 35 Ripọtì

In mammals, the function of the sebaceous gland is to

produce sweat

secrete sodium choride

secrete water

produce an oily substance

manufacture vitamin D for the skin

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Structural Adaptation For Survival (WAEC)

Gụọ akwụkwọ nkuzi na Irritability As A Basic Characteristic Of Protoplasm (WAEC)

Structural Adaptation For Survival

Irritability As A Basic Characteristic Of Protoplasm

Lee Azịza

Ajụjụ 36 Ripọtì

Bowman's capsule is located in the part labeled

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Cell Structure (WAEC)

Cell Structure

Lee Azịza

Ajụjụ 37 Ripọtì

The function of lymph nodes is to

supply oxygen

filter out bacteria

form red blood cells

supply amino acids

supply simple sugars

Akọwa Nkọwa

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

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

Gụọ akwụkwọ nkuzi na Natural Habitats (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Food Webs And Trophic Levels

Natural Habitats

Lee Azịza

Ajụjụ 38 Ripọtì

If a child can receive blood from all donors , he belongs to the blood group

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Blood Transfusion (WAEC)

Blood Transfusion

Lee Azịza

Ajụjụ 39 Ripọtì

Atmospheric nitrogen is directly replenished in nature through

the activities of denitrifying bacteria

the breakdown of ammonium salts in the soil

the activities of nitrifying bacteria

the activities of nitrogen-fixing bacteria in root nodules

egestion, death and decay

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nitrogen Cycle (WAEC)

Nitrogen Cycle

Lee Azịza

Ajụjụ 40 Ripọtì

At what stage in the life history of a toad is its mode of breathing similar to that of fish?

Tadpole stage

External gill stage

Adult stage

Internal gill stage

Larval stage

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Classification (WAEC)

Gụọ akwụkwọ nkuzi na Movement (WAEC)

Classification

Movement

Lee Azịza

Ajụjụ 41 Ripọtì

The characters by which an organism is recognized are termed its

phenotype

genotype

morphology

anatomy

physiology

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Genetic Terminologies (WAEC)

Genetic Terminologies

Lee Azịza

Ajụjụ 42 Ripọtì

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

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

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

Morphology Of Monocotyledonous And Dicotyledonous Plants

Lee Azịza

Ajụjụ 43 Ripọtì

The primary and secondary hosts respectively of bilharzia are

fish and man

man and dog

snail and man

man and snail

fish and snail

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Nitrogen Cycle (WAEC)

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

Nitrogen Cycle

Excretory Systems And Mechanisms; Types Of Excretory Systems

Lee Azịza

Ajụjụ 44 Ripọtì

Which of the following food chains is in the correct sequence?

Weeds → Tadpole → Beetles → Fish → Man

Weeds → Tadpole → Fish → Beetles → Man

Tadpole → Beetles →Weeds → Man → Fish

Man → Fish → Beetles → Tadpole → Weeds

Fish → Beetles → Weeds → Man → Tadpoles

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Ecosystem (WAEC)

Food Webs And Trophic Levels

Ecosystem

Lee Azịza

Ajụjụ 45 Ripọtì

The hereditary material in a cell is known as

ADP

CNS

RNA

ATP

DNA

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

Lee Azịza

Ajụjụ 46 Ripọtì

The appendicular skeleton is made up of the

limbs

skull and limbs

phalanges

ulna and radius

girdles and limbs

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Organization Of Life (WAEC)

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

Organization Of Life

Tissues And Supporting Systems:

Lee Azịza

Ajụjụ 47 Ripọtì

If calcium is deficient in food this may cause

anaemia

retarded growth

sterility

goitre

beri-beri

Akọwa Nkọwa

Calcium helps in the growth of bones and teeth.

Gụọ akwụkwọ nkuzi na Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

Lee Azịza

Ajụjụ 48 Ripọtì

Euglene is an autotrophic organism because it

has flagella

has plant and animal features

is found in water

can manufacture its food

move fast

Akọwa Nkọwa

Lee Azịza

Ajụjụ 49 Ripọtì

Re-absorption of useful materials takes place in the part labelled

1 and 3

3 and 5

5 and 6

6 and 7

2 and 4

Akọwa Nkọwa

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

Gụọ akwụkwọ nkuzi na Support And Movement (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Support And Movement

Lee Azịza

Ajụjụ 50 Ripọtì

The mammalian endocrine system is responsible for

transmitting impulse

regulating body temperature

regulating osmotic pressure of blood

chemical co-ordination

the manufacture of blood

Akọwa Nkọwa

Gụọ akwụkwọ nkuzi na Hormonal Coordination (WAEC)

Hormonal Coordination

Lee Azịza






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