Concept Of Living Generix Content - Concept Of Living
HOME

EXAMS

JAMB

WAEC

CONTENTS

SIGN IN

JOIN NOW
"Concept Of Living" question number distribution across years
loading...
Search "Concept Of Living" on the following sites online
 
Biology index on skoool nigeria
 
WAEC questions for "Biology :: Concept Of Living"
Q1

Which of the following levels of organization in living things is in the correct sequence, starting from the most complex to the simplest?

A

Tissue→cell→organ→system

B

System→organ→tissue→cell

C

Cell→tissue→system→organ

D

Cell→tissue→organ→system

E

Organ→system→tissue→cell

Q2
Which of the following is not a cell organelle?
A
Golgi body
B
Nucleus
C
Fat droplets
D
Ribosome
E
Endoplasmic reticulum
Q3
One of the difference between plants and animals is that
A
growth is indefinite in animals but definite in plants
B
nutrition is autotrophic in plants but holophytic in animals
C
in plants there are excretory systems but in animals waste products are stored away.
D
plants react slowly to external stimuli while animals react more quickly
E
respiration takes place in animals but does not take place in plants
Q4
Which of the following are the final products of aerobic respiration?
A
Water, carbondioxide and energy
B
Pyruvic acid, carbondioxide and water
C
Glucose, energy and urea
D
Energy and carbondioxoide
E
Lactic acid, water and carbondioxide
Q5
Movement of water across a semi-permeable membrane from a weaker solution to a stronger solution is known as
A
transpiration
B
diffusion
C
active transport
D
plasmolysis
E
osmosis
Q6
The thoracic vetebra differs from all the other vertebrae by the possession of
A
long neural spine
B
odontoid process
C
vertebraterial canal
D
large centrum
E
transverse processes
Q7
Which of the following are found immediately next to the skull?
A
I
B
II
C
III
D
IV
E
V
Q8
Which of the following articulates with the ribs?
A
I
B
II
C
III
D
IV
E
V
Q9
Which of the following articulates with the pelvic girdle?
A
V
B
IV
C
III
D
II
E
I
Q10
Which of the following is more concentrated in the blood within the renal artery than the blood within the renal vein?
A
Urea
B
Red blood cells
C
Glucose
D
Protein
E
White blood cells
Q11
Which of the following statements about the lymphatic system is not correct?
A
The lymph vessels are always larger in size than the arteries
B
The flow of lymph is assisted by general muscular movement
C
Lymph flows only in one direction due to the presence of valves
D
Lymph is emptied into blood circulatory system through a vein
E
Lymph node becomes swollen during serious infections
Q12
In which of the following groups is nephridium found?
A
Crustaceans
B
Reptiles
C
Birds
D
Mammals
E
Annelids
Q13
The maintenance of a constant internal environment of an organism is known as
A
homeostasis
B
homeorthesis
C
turgidity
D
homolothermy
E
duiresis
Q14
The most sensitive part of the retina is called
A
blindspot
B
conjuctiva
C
fovea centralis
D
choroid coat
E
sclerotic coat
Q15
which of the following pairs consists of gametes?
A
Ova and spermatozoa
B
Spores and sporangium
C
Flowers and pollen grains
D
Testes and ovaries
E
Gametophyte and sporophyte
Q16
Which of the labelled structures is the nucleus?
A
I
B
II
C
III
D
IV
E
V
Q17
Which of the following labeled structures is similar to the locomotion structure in Euglena?
A
I
B
II
C
III
D
IV
E
V
Q18
In grasshopper/cockroach, digestion starts from the
A
oesophagus
B
crops
C
gizza
D
midgut
E
mouth
Q19
Which of the following is responsible for the conversation of nitrites to nitrates in the nitrogen cycle?
A
Denitrifying bacteria
B
Nitrifying bacteria
C
Lightening
D
Fungi
E
Brown algae
Q20
Hydra captures small crustaceans by means of
A
pseudopodia
B
musculo-epithelial cells
C
tentacles
D
enteron
E
ectoderm
Q21
What type of relationship exists in the large intestine of the sheep, between bacteria and the sheep?
A
Symbiosis
B
Commensalism
C
Predation
D
Parasitism
E
Saprophytism
Q22
At what level of organization is Amoeba?
A
Tissue
B
Organ
C
Cellular
D
System
E
Filament
Q23
Which of these could be regarded as an advantage of complexity in higher organisms?
A
There is no cellular differentiation
B
Cellular differentiation leads to loss of independence of the cells
C
it leads to decrease in size
D
Complexity stops at cellular differentiation only
E
Cellular differentiation leads to internal structural specialization
Q24
Which of the following organisms is one celled and free-living?
A
Volvox
B
Spirogyra
C
Rhizopus
D
Clamydomonas
E
Hydra
Q25
One of the differences between plants and animal cells is that in plants
A
Cell have less distinct outline, but animals cell have distinct outline
B
cell wall is made of cellose, but animal cell wall is made of chitin
C
large vacuoles are absent, but present in animals
D
plastids are absent, but present in animals
E
carbohydrates are stored as starch, but as glycogen in animals
Q26
Carbon dioxide enters the stomata during photosynthesis through the process known as
A
osmosis
B
active transport
C
diffusion
D
inhalation
E
ventilation
Q27
Which of the following groups carry out similar functions in living things?
A
Vertebral column, chitin, and guard cells
B
Sclerenchyma, cartilage and chitin
C
Tendon, chitin and neutrone
D
Collenchyma, intercellular spaces and blood vessels
E
Blood vessels, lymph and shell
Q28
Which of the following statements is correct? The
A
biceps muscle has its origin on the head of the humerus
B
biceps muscle is inserted at the ulna
C
triceps muscle originated at the scapula and head of the humerus
D
ulna is pulled up when the biceps is relaxed
E
radius is the point of insertion of triceps muscle
Q29
Which of the following parts of tissue s is responsible for strengthening the plant?
A
Phloem and Epidermis
B
Parenchyma and cambium
C
Collenchyma and Sclerenchyma
D
Collenchyma and Cambium
E
Xylen and cambium
Q30
Which of the following pairs is not a tissue found in plant?
A
Epidermis
B
Phloem
C
Xylem
D
Dermis
E
Mesophyll
Q31
Higher organisms use a transport system and not diffusion only to distribute nutrient because
A
the ratio of their surface area to volume is small
B
metabolic waste products diffuse to the surface of the organisms
C
the rate at which nutrients and other substance diffuse increases
D
substances to be transported move shorter distances to reach the numerous cells
E
the internal structures of the organism are in direct contact with the environment
Q32
In complex food relationships in a community, the primary, secondary and tertiary consumers are referred to as
A
symbiont s
B
omnivores
C
heterotrophs
D
autotrophs
E
carnivores
Q33
The cell membrane of a cell is said to be semi-permeable because
A
it allows only large molecular substances to pass through it into the cell
B
it is actively involved in energy-production in the cell
C
it actively allows all substances to pass through it by diffusion
D
it is actively selective in allowing substances pass through it
E
fatty acids are only the building blocks of the membrane.
Q34
The function of of the part labeled I is
A
controlling water loss
B
trapping solar energy
C
absorbing water
D
storing sugar
E
transporting sugar
Q35
The part labeled II is the
A
stoma
B
palisade cell
C
spongy cell
D
guard cell
E
epidermal cell
Q36
The structure that will be stained blue-black by iodine is labeled
A
I
B
II
C
III
D
IV
E
V
Q37
In the anaerobic stage of respiration, the net ATP molecules produced per glucose molecule is
A
one
B
two
C
three
D
four
E
five
Q38
Reabsorbtion of the metabolic products along the kidney's tubules is made possible by the
A
closeness of the intestine to the kidney
B
convoluted nature of the tubules
C
presence of convoluted tubules in the medulla
D
presence of network of capillaries around the convoluted tubules
E
joining of the main collecting tubules to the kidney tubules
Q39
Which of the following is not a function of insulin?
A
Accelerates the rate at which glucose is converted to glycogen
B
promotes the uptake of glucose by tissue
C
Regulates the amount of glucose in the blood
D
Accelerates the absorption of glucose at the glomerulus
E
Stimulates muscles too oxidize glucose
Q40
Which of the following is not the correct route of transmission of impulses along a reflex arc?
A
Receptor sensory neuron synapse intermediate neutrone synapse motor neurone effector
B
Receptor motor neutrone synapse intermediate neurone synapse sensory neurone effector
C
Receptor synapse sensory sensory neurone intermediate neuron synapse effector motor neurone
D
Effector motor neurone synapse sensory neurone synapse intermediate neurone receptor
E
Effector intermediate neurone synapse motor neurone synapse sensory receptor
Q41
Which of the following statement is false?
A
Human sense of smell is easily fatigued
B
The skin can perceive the sensations of touch, pain pressure and temperature
C
Taste buds and olfactory cells are active when wet as well as when dry
D
Sensory nerve endings receive stimuli and send to the central nervous system
E
Senses of smell and taste can be weakened by catarrt or blocked nose
Q42
The following are directly involved in transmission of sound waves to the brain except
A
eardrum
B
auditory meatus
C
auditory ossicles
D
Eustachian tube
E
cochlea
Q43
The term syncarpous is used to describe a flower when the carpels are
A
many and fused
B
two only
C
two and separate
D
many and free
E
lying at different parts of a flower
Q44
Which of the following structures are characteristic of insect pollinated flowers?
A
Dull colored flowers with no nectar
B
very light, numerous, and pendulous stamen
C
Brightly colored petals, scent and nectar
D
Flowers are usually small and inconspicuous
E
Stigma and large, feathery and hang outside flower
Q45
Which of the following is an advantage of dispersal of fruits and seeds ? it allows
A
fair distribution of source of food for animals
B
growth in close association with parent plant
C
even distribution of plants and reduction of intraspecific competition
D
keen competition for food
E
the seeds to evolve new species
Q46
The series of changes that occur in a seed by which the embryo develops into seedling is known as
A
fertilization
B
gametogenesis
C
pollination
D
germination
E
regeneration
Q47
Which of the following organisms has a symbiotic relationship with green algae?
A
Amoeba
B
Paramecium
C
Hydra
D
Euglena
E
Chlamydomonas
Q48
An association between two organisms in which both benefit is called
A
parasitism
B
commensalism
C
symbiosis
D
predation
E
competition
Q49
The groups staphylococci and streptobacilli are represented by
A
I and II
B
II and IV
C
III and VII
D
IV and VII
E
IV and VIII
Q50
Density, mortality rate, birthrate, are the factors that affect
A
population
B
dominance
C
cover
D
habitat
E
abiotic community
Q51
Ultra-filtration process at the Bowman's capsule is facilitated by
A
the volume of water in the blood
B
the high concentration of urea in the blood of the Bowman's capsule
C
the differential blood pleasure between the glomerulus and the Bowman's capsule
D
the differential blood volume between the glomerulus and the Bowman's capsule
E
heavy weight of the urea, water, glucose and amino acids in the Bowman's capsule
Q52
All animals are dependent on green plants because, plants
A
shelter them from excessive heat from the sun
B
give them protection from enemies
C
are used for building houses and furniture
D
beautify their surroundings
E
manufacture food for animals
Q53
The scientist who discovered the cell while examining a thin slice of cork under the microscope was
A
Robert Hooke
B
Anton van Leeuwenhoek
C
Matthias Schleiden
D
Theodor Schwann
E
Alexander Fleming
Q54
The two important physical processes involved in the absorption and transport of materials in plants are
A
diffusion and plasmolysis
B
cohesion and diffusion
C
flacidity and turgidity
D
osmosis and diffusion
E
plasmolysis and capillarity
Q55
The process in which insects undergo conspicuous changes in form and appearance during development is known as
A
ecdysis
B
metamorphosis
C
aestivation
D
migration
E
hibernation
Q56
Which of the following actions is not an example of a simple reflex action?
A
Knee jerk
B
Blinking of the eye
C
Withdrawal of hand from hot object
D
Reading a book
E
Contraction of the iris
Q57
In which of the following is a cellulose cell wall present?
A
Amoeba
B
Mammalian white blood corpuscle
C
Spirogyra
D
Paramecium
E
Parasitic worms
Q58
Which of the following organism exist as a filament?
A
Euglena
B
Amoeba
C
Volvox
D
Paramecium
E
Spirogyra
Q59
Which of the following performs the same function as the contractile vacuole of a unicellular organism?
A
Kidney
B
Alimentary canal
C
Liver
D
Pancreas
E
Bladder
Q60
Which of the following agents is responsible for the dispersal of the seed shown above?
A
Man
B
Water
C
Wind
D
Explosive mechanism
E
Animal