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Biology
NECO SSCE 2000
Nervous, Hormonal Coordination & Sense Organs
When a student suddenly runs into a snake on a pathway, which of these chemical messengers are released ?
A
adrenaline
B
insulin
C
oestrogen
D
testosterone
E
thyroxine
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #41794)
Biology
NECO SSCE 2000
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of the following agricultural activities has the least harmful effect on the environment ?
A
application of fertilizers
B
practicing crop rotation
C
practicing monocropping
D
spraying herbicides
E
spraying pesticides
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41796)
Biology
NECO SSCE 2000
Variety of Organisms & Classification of Living Things
Which material is NOT necessary for the manufacture of plant food?
A
carbon(iv)oxide
B
chloropyll
C
oxygen
D
sunlight
E
water
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41797)
Biology
NECO SSCE 2000
Basic Ecological Concepts, Ecosystems & Biomes
Lianas is to tropical rain forest as an extensive root system is to ---------------- habitat
A
afro-alpine
B
estuarine
C
fresh - water
D
grass-land
E
marine
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #41799)
Biology
NECO SSCE 2000
Adaptation & Evolution
Solution
Which of these statements is NOT an idea contained in Lamarck’s theory of evolution.?
A
acquired characters are inheritable
B
changes in the environment result in corresponding changes in the species
C
environmental changes cause the organism to acquire new structures as an adjustment to a new prevailing environment
D
organisms develop specialized characteristic by use and disuse of organs
E
organisms tend to an increase in number at an exponential rate
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
Lamarckism, also known as Lamarckian inheritance or neo-Lamarckism, is the notion that an organism can pass on to its offspring physical characteristics that the parent organism acquired through use or disuse during its lifetime. It is also called the inheritance of acquired characteristics
Source: Myschool Past Questions Archive (Record #41800)
Biology
NECO SSCE 2000
Reproduction in Plants & Animals
Solution
The release of sperms through the urethral opening into the vagina is called?
A
copulation
B
ejaculation
C
fertilization
D
spermatogenesis
E
urination
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
After semen is released into the vagina, sperm immediately separates from the remaining ejaculate and sperms begin moving into the cervix and up into the uterus for fertilization in the fallopian tubes. Sperm moves into the tubes within minutes after ejaculation in the vagina.
Source: Myschool Past Questions Archive (Record #41803)
Biology
NECO SSCE 2000
Digestive System & Feeding Mechanisms
An essential with the dental formula I 0/3 : C 0/1 : P 3/3 : M 3/3 is most likely adapted for ___________ nutrition .
A
carnivorous
B
herbivorous
C
holophytic
D
ominivorous
E
parasitic
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41805)
Biology
NECO SSCE 2000
Variety of Organisms & Classification of Living Things
Which of the following is NOT a natural source of energy ?
A
coal
B
electricity
C
food
D
sun
E
water
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41806)
Biology
NECO SSCE 2000
Basic Ecological Concepts, Ecosystems & Biomes
Modern method of classification of living things is based on similarity of?
A
colour
B
habitat
C
shape
D
size
E
structure
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #41808)
Biology
NECO SSCE 2000
Reproduction in Plants & Animals
The part of the fruit which serves a protective function is called
A
endocary
B
epicarp
C
mesocarp
D
pericarp
E
testa
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41809)
Biology
NECO SSCE 2000
Variation & Genetics (Heredity)
Solution
Two identical twin boys had different finger print. This proves that
A
finger print is a sex-linked character
B
the genotypes of the twins are similar
C
the phenotypes of the twins are similar
D
there are morphological variations
E
there are physiological variation in the twins
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Morphological variation includes aspects of the outward appearance i.e shape, structure, color, pattern and size.
Source: Myschool Past Questions Archive (Record #41812)
Biology
NECO SSCE 2000
Cell & Its Environment (Diffusion, Osmosis & Transport)
What is the result of placing a red blood cell in a hypertonic solution ?
A
crenation
B
haemolysis
C
osmosis
D
plasmolysis
E
wilting
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #41813)
Biology
NECO SSCE 2000
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The most likely mode of an organism that possesses attachment structure, thin outer surface layer and absence of an elaborate digestive tract is
A
Autotropic
B
holophytic
C
parasitic
D
saprophytic
E
symbiotic
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41814)
Biology
NECO SSCE 2000
Excretion & Homeostasis
Which one is NOT an excretory product of man?
A
carbon(iv)oxide
B
oxygen
C
nitrogenous wastes
D
salts
E
respiration
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #41817)
Biology
NECO SSCE 2000
Nervous, Hormonal Coordination & Sense Organs
Which structure of the mammalian ear when removed will affect the maintenance of balance?
A
auditory canal
B
ear ossicles
C
pinna
D
semi-circular canals
E
tympanium
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #41818)