In an angiosperm leaf, the xylem is

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

Antwoorddetails

Lees lesnotitie op Cellular Respiration (WAEC)

Lees lesnotitie op Organization Of Life (WAEC)

Lees lesnotitie op Movement (WAEC)

Cellular Respiration

Organization Of Life

Movement

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Vraag 11 Verslag

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

Antwoorddetails

Lees lesnotitie op Blood Transfusion (WAEC)

Blood Transfusion

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Vraag 12 Verslag

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

Antwoorddetails

Lees lesnotitie op Soil (JAMB)

Lees lesnotitie op Soil (WAEC)

Soil

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Vraag 13 Verslag

which of the following is NOT true of mucor? it

contains chlorophll

grows saprophytically

bears spores in sporangium

consist of hypae

reproduces by conjugation

Antwoorddetails

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Vraag 14 Verslag

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

Antwoorddetails

Lees lesnotitie op Soil (WAEC)

Soil

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Vraag 15 Verslag

Euglene is an autotrophic organism because it

has flagella

has plant and animal features

is found in water

can manufacture its food

move fast

Antwoorddetails

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Vraag 16 Verslag

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

Antwoorddetails

Lees lesnotitie op Protein Synthesis (WAEC)

Protein Synthesis

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Vraag 17 Verslag

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

Antwoorddetails

Lees lesnotitie op Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Lees lesnotitie op Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

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Vraag 18 Verslag

A relationship between living organisms which is of mutual benefit is

parasitism

saprophtism

ecosystem

symbiosis

commensalism

Antwoorddetails

Lees lesnotitie op Symbiotic Interactions Of Plants And Animals (JAMB)

Symbiotic Interactions Of Plants And Animals

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Vraag 19 Verslag

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

wing

keel

standard

antepetalous stamen

antesepalous stamen

Antwoorddetails

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Vraag 20 Verslag

The appendicular skeleton is made up of the

limbs

skull and limbs

phalanges

ulna and radius

girdles and limbs

Antwoorddetails

Lees lesnotitie op Organization Of Life (WAEC)

Lees lesnotitie op Tissues And Supporting Systems: (WAEC)

Organization Of Life

Tissues And Supporting Systems:

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Vraag 21 Verslag

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

calcium

magnesium

potassium

boron

molybdenum

Antwoorddetails

Lees lesnotitie op Modes Of Nutrition (WAEC)

Lees lesnotitie op Plant Nutrition (WAEC)

Modes Of Nutrition

Plant Nutrition

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Vraag 22 Verslag

The primary and secondary hosts respectively of bilharzia are

fish and man

man and dog

snail and man

man and snail

fish and snail

Antwoorddetails

Lees lesnotitie op Nitrogen Cycle (WAEC)

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Nitrogen Cycle

Excretory Systems And Mechanisms; Types Of Excretory Systems

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Vraag 23 Verslag

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

Antwoorddetails

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Lees lesnotitie op Physiological Variations (WAEC)

Forms In Which Living Cells Exist

Physiological Variations

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Vraag 24 Verslag

The origin of mineral particles in the soil is

humus

water

micro-organisms

weathered rock

organic matter

Antwoorddetails

Lees lesnotitie op Soil (JAMB)

Lees lesnotitie op Soil (WAEC)

Lees lesnotitie op Internal Structure Of A Flowering Plant (JAMB)

Soil

Internal Structure Of A Flowering Plant

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Vraag 25 Verslag

Each of the following is an anthropod EXCEPT the

crab

spider

snail

milipede

cockroach

Antwoorddetails

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Lees lesnotitie op Microorganisms: Man And Health (WAEC)

Lees lesnotitie op Theories Of Evolution (JAMB)

Forms In Which Living Cells Exist

Microorganisms: Man And Health

Theories Of Evolution

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Vraag 26 Verslag

The characters by which an organism is recognized are termed its

phenotype

genotype

morphology

anatomy

physiology

Antwoorddetails

Lees lesnotitie op Genetic Terminologies (WAEC)

Genetic Terminologies

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Vraag 27 Verslag

Soil erosion CANNOT be controlled by

planting cover crops

contouring of sloping ground

terracing of slopes

laying of mulch

burning of bush

Antwoorddetails

Lees lesnotitie op Soil (JAMB)

Soil

Bekijk antwoord

Vraag 28 Verslag

The function of lymph nodes is to

supply oxygen

filter out bacteria

form red blood cells

supply amino acids

supply simple sugars

Antwoorddetails

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Lees lesnotitie op Food Webs And Trophic Levels (WAEC)

Lees lesnotitie op Natural Habitats (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Food Webs And Trophic Levels

Natural Habitats

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Vraag 29 Verslag

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

Antwoorddetails

Lees lesnotitie op Cellular Respiration (WAEC)

Cellular Respiration

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Vraag 30 Verslag

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

Flatworms

Annelids

Coelenterates

protozoa

Nematodes

Antwoorddetails

Lees lesnotitie op Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

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Vraag 31 Verslag

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

root hairs

rootlets

hypae

rhizoids

thalli

Antwoorddetails

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Vraag 32 Verslag

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

Antwoorddetails

Lees lesnotitie op Ecological Management (WAEC)

Ecological Management

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Vraag 33 Verslag

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lees lesnotitie op Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

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

Morphology Of Monocotyledonous And Dicotyledonous Plants

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Vraag 34 Verslag

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

chyme

curd

glycogen

paste

roughage

Antwoorddetails

Lees lesnotitie op Nutrition (JAMB)

Lees lesnotitie op Growth (JAMB)

Nutrition

Growth

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Vraag 35 Verslag

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

Antwoorddetails

Lees lesnotitie op Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Lees lesnotitie op Support And Movement (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Support And Movement

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Vraag 36 Verslag

The mammalian endocrine system is responsible for

transmitting impulse

regulating body temperature

regulating osmotic pressure of blood

chemical co-ordination

the manufacture of blood

Antwoorddetails

Lees lesnotitie op Hormonal Coordination (WAEC)

Hormonal Coordination

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Vraag 37 Verslag

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

Antwoorddetails

Lees lesnotitie op Nutrition (JAMB)

Nutrition

Bekijk antwoord

Vraag 38 Verslag

Blood platelets are important because they are

amoeboid and nucleated

produce antitoxins

produce antibodies

digest harmful bacteria

release thrombin for blood clothing

Antwoorddetails

Bekijk antwoord

Vraag 39 Verslag

A food substance which produces red colouration with Sudan III contain

protein

sugar

starch

cellulose

fat

Antwoorddetails

Lees lesnotitie op Nutrition (JAMB)

Lees lesnotitie op Nucleic Acids (WAEC)

Nutrition

Nucleic Acids

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Vraag 40 Verslag

A group of similar cells performing the same function is

an organ

a system

a tissue

an organelle

an enzymes

Antwoorddetails

Bekijk antwoord

Vraag 41 Verslag

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

Flatworms

Annelids

Coelenterates

protozoa

Nematodes

Antwoorddetails

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.

Lees lesnotitie op Forms In Which Living Cells Exist (WAEC)

Lees lesnotitie op Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

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Vraag 42 Verslag

Bowman's capsule is located in the part labeled

Antwoorddetails

Lees lesnotitie op Cell Structure (WAEC)

Cell Structure

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Vraag 43 Verslag

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

cochlea

malleus

utriculus

semicircular canals

outer ear

Antwoorddetails

Lees lesnotitie op Sense Organs (Nose, Tongue & Skin) (WAEC)

Lees lesnotitie op Nervous Coordination (WAEC)

Sense Organs (Nose, Tongue & Skin)

Nervous Coordination

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Vraag 44 Verslag

Which of the following is NOT caused by bacteria?

Cholera

Gonorrhoea

Tuberculosis

Onchoceriasis

Typhoid

Antwoorddetails

Lees lesnotitie op Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Lees lesnotitie op Physiological Variations (WAEC)

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

Physiological Variations

Bekijk antwoord

Vraag 45 Verslag

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

Antwoorddetails

Lees lesnotitie op Classification (WAEC)

Lees lesnotitie op Movement (WAEC)

Classification

Movement

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Vraag 46 Verslag

The hereditary material in a cell is known as

ADP

CNS

RNA

ATP

DNA

Antwoorddetails

Lees lesnotitie op Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

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Vraag 47 Verslag

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

hypocotyl

epicotyl

epigeal

hypogeal

plumule

Antwoorddetails

Lees lesnotitie op Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Bekijk antwoord

Vraag 48 Verslag

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

Antwoorddetails

Lees lesnotitie op Structural Adaptation For Survival (WAEC)

Lees lesnotitie op Irritability As A Basic Characteristic Of Protoplasm (WAEC)

Structural Adaptation For Survival

Irritability As A Basic Characteristic Of Protoplasm

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Vraag 49 Verslag

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber

Antwoorddetails

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.

Lees lesnotitie op Nitrogen Cycle (WAEC)

Lees lesnotitie op Morphological Variations In The Physical Appearance Of Individuals (WAEC)

Lees lesnotitie op Nutrition (JAMB)

Nitrogen Cycle

Morphological Variations In The Physical Appearance Of Individuals

Nutrition

Bekijk antwoord

Vraag 50 Verslag

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

optic nerves

retina

ciliary muscles

cornea

aqueous humour

Antwoorddetails

Bekijk antwoord






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