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Biology
UTME / JAMB 2013
Cell Structure, Organization & Cell Division
The special pigment for colour change in chameleon is
A
melanin
B
carotenoid
C
chromatin
D
chromatophore
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 #29865)
Biology
UTME / JAMB 2013
Adaptation & Evolution
The behavioural adaptation in social insects could best be described as
A
symbiosis
B
saprophytism
C
parasitism
D
commensalisms
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 #29878)
Biology
WAEC / WASSCE 2013
Variety of Organisms & Classification of Living Things
Solution
In which of the following levels of classification are the members most similar?
A
Order
B
Genus
C
Species
D
Phylum
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
In the biological hierarchy of classification (Taxonomy), organisms are grouped from the most general level to the most specific. As you move down the hierarchy, the number of shared characteristics increases, meaning members within that level are more similar to one another.
The standard levels of classification are:
Domain (Broadest/Least Similar)
Kingdom
Phylum
Class
Order
Family
Genus
Species (Most Specific/Most Similar)
Species is the most specific level. Members of the same species are so similar that they share the same evolutionary history, physical traits, and genetic makeup, and they are capable of interbreeding to produce fertile offspring.
Source: Myschool Past Questions Archive (Record #35683)
Biology
WAEC / WASSCE 2013
Variety of Organisms & Classification of Living Things
Spirogyra is regarded as a multicellular plant because
A
the cylindrical cells are linked end to end
B
its cells are linked together by cytoplasmic strands
C
its cells are large
D
it is an algae containing a large vacuole
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 #35689)
Biology
WAEC / WASSCE 2013
Cell Structure, Organization & Cell Division
Which of the following pairs of structures in living organisms do not perform similar functions?
A
Lungs and spiracles
B
Root hairs and mammalian hairs
C
Feathers and scales
D
Contractile vacuole and Kidneys
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 #35693)
Biology
WAEC / WASSCE 2013
Supporting Tissues & Skeletal System
Which of the following sequences is the correct arrangement of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside ?
A
pith , phloem, cambium, xylem, parenchyma, collenchyma and epidermis
B
Xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis
C
Pith,xylem, cmbium,phloem,, collenchyma, parenchyma and epidermis
D
phloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis
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 #35699)
Biology
WAEC / WASSCE 2013
Variety of Organisms & Classification of Living Things
An animal which possesses scales nares and a backbone is likely to be a
A
toad
B
lizard
C
rat
D
bat
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 #35712)
Biology
WAEC / WASSCE 2013
Cell & Its Environment (Diffusion, Osmosis & Transport)
The opening of the guard cells of the epidermis in plants is by the process of
A
osmosis
B
diffusion
C
active transport
D
transpiration
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 #35734)
Biology
WAEC / WASSCE 2013
Nervous, Hormonal Coordination & Sense Organs
What happens to a plant if the shoot tip is cut off and replaced by an agar block containing auxin? it will
A
stop growing
B
grow rapidly
C
continue to grow normally
D
die completely
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 #35735)
Biology
WAEC / WASSCE 2013
Respiration & Gaseous Exchange
Anaerobic respiration results in the production of
A
more energy than aerobic respiration
B
no energy
C
an equal amont of energy to aerobic respiration
D
less energy than aerobic respiration
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 #35736)
Biology
WAEC / WASSCE 2013
Supporting Tissues & Skeletal System
Which of the following is not a skeletal tissue?
A
Plasma
B
Chitin
C
Cartilage
D
Bone
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 #35785)
Biology
WAEC / WASSCE 2013
Transport System in Plants & Animals
Which of the following statements is not correct about the mammalian heart?
A
Oxygenated blood enters the left auricle from the pilmonary vein
B
the walls of the ventricle are thicker than those of the auricle
C
blood passes from of blood into the right ventricle to the left auricle through the aorta
D
the tricuspid valve prevents the back flow of blood into the right auricle
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 #35786)
Biology
WAEC / WASSCE 2013
Respiration & Gaseous Exchange
Which of the following organs are used for gaseous exchange in a mature toad?
A
Gills, lungs and eardrum
B
Lungs, mouth and eardrum
C
Mouth, skin and gils
D
Skin, lungs and mouth
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 #35787)
Biology
WAEC / WASSCE 2013
Respiration & Gaseous Exchange
Which of the following statements about the diaphragm of a mammal is not correct? it
A
separates the thorax and the abdomen
B
is a thick layer of muscle
C
is made of epithelial cells
D
is part of the human respiratory apparatus
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 #35788)
Biology
WAEC / WASSCE 2013
Respiration & Gaseous Exchange
Which of the following structures is used for respiration in insects?
A
Lungs
B
Thorax
C
Cuticle
D
Spiracles
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 #35789)