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Biology NECO SSCE 2003 Science of Living Things
Which of the following is NOT true of enzymes?
A
Their reactions are reversible
B
Their reactions are irreversible
C
They remain unchanged after the reaction
D
They are affected by high temperatures
E
They have active sites
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The following are major groups of the plant kingdom EXCEPT
A
Bryophyta
B
Chiorophyta
C
Pteridophyta
D
Spermatophyta
E
Thallophyta
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The process by which some organisms oxidize inorganic compounds to obtain energy is known as
A
catabolism
B
chemosynthesis
C
glycolysis
D
metabolism
E
photosynthesis
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The excretory organ of earthworms is known as
A
contractile vacuole
B
flame cell
C
malphigian tubule
D
nephridium
E
kidney
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Which of the following is NOT a family planning method?
A
abstinence
B
contraceptive device
C
masturbation
D
sterilization
E
use of condoms
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
i 2/2, c 1/1, pm 2/2, m 3/3 The above dental formula represents the dentition of
A
cow
B
dog
C
man
D
rabbit
E
sheep
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Which practice does NOT promote the health of the community?
A
burning of refuse in incinerators
B
disposal of human sewage using water closets
C
legislating in favour of sexual indulgence
D
provision of portable pipe-borne water
E
sitting of industries downstream away from habitations
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The bee that lays eggs in a hive is called
A
broiler
B
drone
C
layer
D
queen
E
worker
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The biosphere can best be defined as part of the
A
atmosphere that contains moisture
B
earth that contains gases
C
earth that is liquid
D
earth that supports life
E
ocean that supports life
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Translocation of food substances in plants takes place through
A
collenchyma
B
parenchyma
C
phloem
D
sclerenchyma
E
xylem
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Herbicides are chemicals used to
A
check the spread of diseases
B
control dormancy in seeds
C
control insects
D
control weeds
E
control pests
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The sun rays reach the earth’s surface by
A
conduction
B
convection
C
radiation
D
reflection
E
refraction
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
The following are effects of food shortage on population size EXCEPT
A
competition
B
decline in reproduction
C
emigration
D
increase in natality
E
mortality
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Vitamin K deficiency causes
A
constipation
B
indigestion
C
low sperm count
D
uncontrolled haemorrhage
E
stomach and duodenal ulcer
medium Difficulty
Biology NECO SSCE 2003 Science of Living Things
Which of the following is an example of a multiple fruit?
A
cashew
B
maize
C
mango
D
orange
E
pineapple
medium Difficulty
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