In an angiosperm leaf, the xylem is

in separate bundles from the phloem

JAMB UTME - Biology - 1985 | Green Bridge CBT

Question 1 Report

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

motor neurons

effector muscles

dendrites

sensory neurons Correct answer

synapses

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Properties And Functions Of The Living Cell (WAEC)

Read lesson note on Nucleic Acids (WAEC)

Read lesson note on Spirogyra And Rhizopus (WAEC)

Read lesson note on Nervous Coordination (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Properties And Functions Of The Living Cell

Nucleic Acids

Spirogyra And Rhizopus

Nervous Coordination

View Answer

Question 2 Report

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

optic nerves

retina Correct answer

ciliary muscles

cornea

aqueous humour

Answer Details

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Question 3 Report

Bowman's capsule is located in the part labeled

2 Correct answer

Answer Details

Read lesson note on Cell Structure (WAEC)

Cell Structure

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Question 4 Report

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 Correct answer

sand and humus, but poor in clay

Answer Details

Read lesson note on Soil (JAMB)

Read lesson note on Soil (WAEC)

Soil

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Question 5 Report

Euglene is an autotrophic organism because it

has flagella

has plant and animal features

is found in water

can manufacture its food Correct answer

move fast

Answer Details

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Question 6 Report

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

wing

keel Correct answer

standard

antepetalous stamen

antesepalous stamen

Answer Details

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Question 7 Report

If calcium is deficient in food this may cause

anaemia

retarded growth Correct answer

sterility

goitre

beri-beri

Answer Details

Calcium helps in the growth of bones and teeth.

Read lesson note on Ecological Management: Tolerance, Minimum And Maximum (WAEC)

Ecological Management: Tolerance, Minimum And Maximum

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Question 8 Report

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

gills

operculum

nostrils

median fin

lateral line Correct answer

Answer Details

Read lesson note on Sense Organs (Nose, Tongue & Skin) (WAEC)

Sense Organs (Nose, Tongue & Skin)

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Question 9 Report

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

river blindness

malaria

sleeping sickness Correct answer

leprosy

dysentry

Answer Details

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Question 10 Report

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

cochlea

malleus

utriculus

semicircular canals Correct answer

outer ear

Answer Details

Read lesson note on Sense Organs (Nose, Tongue & Skin) (WAEC)

Read lesson note on Nervous Coordination (WAEC)

Sense Organs (Nose, Tongue & Skin)

Nervous Coordination

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Question 11 Report

Soil erosion CANNOT be controlled by

planting cover crops

contouring of sloping ground

terracing of slopes

laying of mulch

burning of bush

Correct answer

Answer Details

Read lesson note on Soil (JAMB)

Soil

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Question 12 Report

The characters by which an organism is recognized are termed its

phenotype Correct answer

genotype

morphology

anatomy

physiology

Answer Details

Read lesson note on Genetic Terminologies (WAEC)

Genetic Terminologies

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Question 13 Report

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

calcium

magnesium Correct answer

potassium

boron

molybdenum

Answer Details

Read lesson note on Modes Of Nutrition (WAEC)

Read lesson note on Plant Nutrition (WAEC)

Modes Of Nutrition

Plant Nutrition

View Answer

Question 14 Report

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

aorta

inferior vena cava

superior vena cava Correct answer

pulmonary vein

pulmonary artery

Answer Details

Read lesson note on Ecological Management (WAEC)

Ecological Management

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Question 15 Report

A group of similar cells performing the same function is

an organ

a system

a tissue Correct answer

an organelle

an enzymes

Answer Details

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Question 16 Report

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

chyme Correct answer

curd

glycogen

paste

roughage

Answer Details

Read lesson note on Nutrition (JAMB)

Read lesson note on Growth (JAMB)

Nutrition

Growth

View Answer

Question 17 Report

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber Correct answer

Answer Details

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.

Read lesson note on Nitrogen Cycle (WAEC)

Read lesson note on Morphological Variations In The Physical Appearance Of Individuals (WAEC)

Read lesson note on Nutrition (JAMB)

Nitrogen Cycle

Morphological Variations In The Physical Appearance Of Individuals

Nutrition

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Question 18 Report

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

has a large endosperm

is formed from an ovary Correct answer

is a monocotyledon

has no plumule and radicle

has a hypogeal germination

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

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Question 19 Report

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

Correct answer

58.3

Answer Details

Read lesson note on Soil (WAEC)

Soil

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Question 20 Report

which of the following is NOT true of mucor? it

contains chlorophll Correct answer

grows saprophytically

bears spores in sporangium

consist of hypae

reproduces by conjugation

Answer Details

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Question 21 Report

The mammalian endocrine system is responsible for

transmitting impulse

regulating body temperature

regulating osmotic pressure of blood

chemical co-ordination Correct answer

the manufacture of blood

Answer Details

Read lesson note on Hormonal Coordination (WAEC)

Hormonal Coordination

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Question 22 Report

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

Flatworms

Annelids

Coelenterates

protozoa

Correct answer

Nematodes

Answer Details

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.

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Amoeba, Paramecium, And Euglena (WAEC)

Forms In Which Living Cells Exist

Amoeba, Paramecium, And Euglena

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Question 23 Report

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 Correct answer

3 → 1 → 4 → 2

Answer Details

Read lesson note on Protein Synthesis (WAEC)

Protein Synthesis

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Question 24 Report

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

Weeds → Tadpole → Beetles → Fish → Man Correct answer

Weeds → Tadpole → Fish → Beetles → Man

Tadpole → Beetles →Weeds → Man → Fish

Man → Fish → Beetles → Tadpole → Weeds

Fish → Beetles → Weeds → Man → Tadpoles

Answer Details

Read lesson note on Food Webs And Trophic Levels (WAEC)

Read lesson note on Ecosystem (WAEC)

Food Webs And Trophic Levels

Ecosystem

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Question 25 Report

The appendicular skeleton is made up of the

limbs

skull and limbs

phalanges

ulna and radius

girdles and limbs Correct answer

Answer Details

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Tissues And Supporting Systems: (WAEC)

Organization Of Life

Tissues And Supporting Systems:

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Question 26 Report

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 Correct answer

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Nitrogen Cycle

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Question 27 Report

A food substance which produces red colouration with Sudan III contain

protein

sugar

starch

cellulose

fat Correct answer

Answer Details

Read lesson note on Nutrition (JAMB)

Read lesson note on Nucleic Acids (WAEC)

Nutrition

Nucleic Acids

View Answer

Question 28 Report

The primary and secondary hosts respectively of bilharzia are

fish and man

man and dog

snail and man

man and snail Correct answer

fish and snail

Answer Details

Read lesson note on Nitrogen Cycle (WAEC)

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Nitrogen Cycle

Excretory Systems And Mechanisms; Types Of Excretory Systems

View Answer

Question 29 Report

Each of the following is an anthropod EXCEPT the

crab

spider

snail

Correct answer

milipede

cockroach

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Microorganisms: Man And Health (WAEC)

Read lesson note on Theories Of Evolution (JAMB)

Forms In Which Living Cells Exist

Microorganisms: Man And Health

Theories Of Evolution

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Question 30 Report

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

Muscle cells produce lactic acid

Carbon dioxide is produced Correct answer

Milk bacteria produce lactic acid

Energy is not produced

Germinating seeds produced alcohol

Answer Details

Read lesson note on Cellular Respiration (WAEC)

Cellular Respiration

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Question 31 Report

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 Correct answer

Answer Details

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Read lesson note on Support And Movement (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Support And Movement

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Question 32 Report

In spirogyra, the pyrenoid

excretes waste products

is suspended by cytoplasmic strands

is mainly used for respiration

usually contains starch Correct answer

makes the plants slimy to touch

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Forms In Which Living Cells Exist

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Question 33 Report

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 Correct answer

1, 2, 5

2, 3, 5

2, 4, 5

1, 3, 5

Answer Details

Read lesson note on Cellular Respiration (WAEC)

Read lesson note on Organization Of Life (WAEC)

Read lesson note on Movement (WAEC)

Cellular Respiration

Organization Of Life

Movement

View Answer

Question 34 Report

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

AB Correct answer

Answer Details

Read lesson note on Blood Transfusion (WAEC)

Blood Transfusion

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Question 35 Report

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

root hairs

rootlets

hypae

rhizoids Correct answer

thalli

Answer Details

View Answer

Question 36 Report

Irish potato is a

bulb

tap root

rhizome

root tuber

stem tuber Correct answer

Answer Details

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

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

Morphology Of Monocotyledonous And Dicotyledonous Plants

View Answer

Question 37 Report

The hereditary material in a cell is known as

ADP

CNS

RNA

ATP

DNA Correct answer

Answer Details

Read lesson note on Identification Of Organisms Using Biological Keys (WAEC)

Identification Of Organisms Using Biological Keys

View Answer

Question 38 Report

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

Tadpole stage Correct answer

External gill stage

Adult stage

Internal gill stage

Larval stage

Answer Details

Read lesson note on Classification (WAEC)

Read lesson note on Movement (WAEC)

Classification

Movement

View Answer

Question 39 Report

Blood platelets are important because they are

amoeboid and nucleated

produce antitoxins

produce antibodies

digest harmful bacteria

release thrombin for blood clothing Correct answer

Answer Details

View Answer

Question 40 Report

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 Correct answer

Answer Details

Read lesson note on Forms In Which Living Cells Exist (WAEC)

Read lesson note on Physiological Variations (WAEC)

Forms In Which Living Cells Exist

Physiological Variations

View Answer

Question 41 Report

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 Correct answer

Answer Details

Read lesson note on Nutrition (JAMB)

Nutrition

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Question 42 Report

The function of lymph nodes is to

supply oxygen

filter out bacteria Correct answer

form red blood cells

supply amino acids

supply simple sugars

Answer Details

Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)

Read lesson note on Food Webs And Trophic Levels (WAEC)

Read lesson note on Natural Habitats (JAMB)

Excretory Systems And Mechanisms; Types Of Excretory Systems

Food Webs And Trophic Levels

Natural Habitats

View Answer

Question 43 Report

Which of the following is seed bearing?

Mosses

Whistling pine Correct answer

Algal filament

liverwort

Fern fronds

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Cell Structure (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Cell Structure

View Answer

Question 44 Report

The origin of mineral particles in the soil is

humus

water

micro-organisms

weathered rock

organic matter Correct answer

Answer Details

Read lesson note on Soil (JAMB)

Read lesson note on Soil (WAEC)

Read lesson note on Internal Structure Of A Flowering Plant (JAMB)

Soil

Internal Structure Of A Flowering Plant

View Answer

Question 45 Report

Which of the following is NOT caused by bacteria?

Cholera

Gonorrhoea

Tuberculosis

Onchoceriasis Correct answer

Typhoid

Answer Details

Read lesson note on Resources To Be Conserved: Soil, Water, Wildlife, Forest And Minerals (WAEC)

Read lesson note on Physiological Variations (WAEC)

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

Physiological Variations

View Answer

Question 46 Report

A relationship between living organisms which is of mutual benefit is

parasitism

saprophtism

ecosystem

symbiosis Correct answer

commensalism

Answer Details

Read lesson note on Symbiotic Interactions Of Plants And Animals (JAMB)

Symbiotic Interactions Of Plants And Animals

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Question 47 Report

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

Medullary rays

Central pith Correct answer

Wide cortex

Narrow cortex

Pericycle fibres

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Read lesson note on Natural Habitats (JAMB)

Morphology Of Monocotyledonous And Dicotyledonous Plants

Natural Habitats

View Answer

Question 48 Report

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

hypocotyl

epicotyl

epigeal Correct answer

hypogeal

plumule

Answer Details

Read lesson note on Morphology Of Monocotyledonous And Dicotyledonous Plants (WAEC)

Morphology Of Monocotyledonous And Dicotyledonous Plants

View Answer

Question 49 Report

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

Flatworms

Annelids

Coelenterates

protozoa Correct answer

Nematodes

Answer Details

Read lesson note on Amoeba, Paramecium, And Euglena (WAEC)

Amoeba, Paramecium, And Euglena

View Answer

Question 50 Report

In mammals, the function of the sebaceous gland is to

produce sweat

secrete sodium choride

secrete water

produce an oily substance Correct answer

manufacture vitamin D for the skin

Answer Details

Read lesson note on Structural Adaptation For Survival (WAEC)

Read lesson note on Irritability As A Basic Characteristic Of Protoplasm (WAEC)

Structural Adaptation For Survival

Irritability As A Basic Characteristic Of Protoplasm

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