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Biology
WAEC / WASSCE 2016
Respiration & Gaseous Exchange
The exchange of gases between the environment and the respiratory organs of vertebrates is referred to as
A
inhalation
B
respiration
C
expiration
D
breathing
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 #45164)
Biology
WAEC / WASSCE 2016
Excretion & Homeostasis
The maintenance of a constant internal environment in an organism is known as
A
homeostasis
B
homoiothermy
C
diuresis
D
dialysis
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 #45165)
Biology
WAEC / WASSCE 2016
Nervous, Hormonal Coordination & Sense Organs
Which of the following organs is responsible for the production of insulin?
A
Spleen
B
Adrenal gland
C
Thyroid gland
D
Pancreas
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 #45166)
Biology
WAEC / WASSCE 2016
Variety of Organisms & Classification of Living Things
Solution
Which of the following actions is NOT a voluntary action?
A
Stealing
B
Sneezing
C
Fighting
D
Cheating
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Voluntary actions are actions controlled by the will or consciousness of a person. Examples are writing, stealing, running, dancing, breathing, etc.
Source: Myschool Past Questions Archive (Record #45167)
Biology
UTME / JAMB 2016
Nervous, Hormonal Coordination & Sense Organs
Solution
The part of the mammalian ear responsible for the maintenance of balance is the
A
cochlea
B
pinna
C
perilymph
D
vestibular system
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Your inner ear has three main parts: your cochlea, semi-circular canals (labyrinth), and your vestibule. Your cochlea supports your hearing and your vestibule and semi-circular canals support your balance.
Source: Myschool Past Questions Archive (Record #44932)
Biology
UTME / JAMB 2016
Variety of Organisms & Classification of Living Things
Diagram
Which of the organisms represented are notable agricultural pests?
Attached Figure / Diagram
A
II and IV
B
I and IV
C
I and III
D
II and III
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 #44933)
Biology
WAEC / WASSCE 2016
Cell & Its Environment (Diffusion, Osmosis & Transport)
Flaccidity in plants is associated with
A
cessation of photosynthesis
B
wilting
C
turgidity
D
discolouration of leaves
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 #45158)
Biology
WAEC / WASSCE 2016
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of the following substances is not usually present in the urine of a healthy person?
A
Urea
B
Mineral salts
C
Glucose
D
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 #45159)
Biology
WAEC / WASSCE 2016
Supporting Tissues & Skeletal System
Lateral meristem in flowering plants is found in the
A
cortex
B
pericycle
C
cambium
D
pith
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 #45162)
Biology
WAEC / WASSCE 2016
Nervous, Hormonal Coordination & Sense Organs
Solution
Which of the following parts of the ear does NOT contain endolymph?
A
Semi-circular canals
B
Utriculus
C
Tympanum
D
Sacculus
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The tympanum (commonly known as the eardrum or tympanic membrane) separates the outer ear from the middle ear. It is a thin, dry membrane composed of connective tissue, meaning it contains no endolymph (or any inner ear fluids).
Source: Myschool Past Questions Archive (Record #45168)
Biology
WAEC / WASSCE 2016
Variety of Organisms & Classification of Living Things
The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question:
I. Decolorize them
II. Dip decolorized leaf in warm water
III. Place leaf in boiling water
IV. Add iodine solution
The CORRECT order for the test is?
A
I, II, III and IV
B
I, III, II and IV
C
II, III,, I and IV
D
III, I, II and IV
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 #45169)
Biology
WAEC / WASSCE 2016
Variety of Organisms & Classification of Living Things
The best time to pluck the leaf for the experiment is
A
after being exposed to sunlight
B
three hours after sunset
C
before sunrise
D
six hours after sunset
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 #45170)
Biology
WAEC / WASSCE 2016
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question:
I. Decolorize them
II. Dip decolorized leaf in warm water
III. Place leaf in boiling water
IV. Add iodine solution
The best time to pluck the leaf for the experiment is?
A
after being exposed to sunlight
B
three hours after sunset
C
before sunrise
D
six hours after sunset
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The leaf that was in the light turns blue-black, which demonstrates that the leaf has been performing photosynthesis and producing starch.
Source: Myschool Past Questions Archive (Record #45171)
Biology
WAEC / WASSCE 2016
Respiration & Gaseous Exchange
In which of the plant tissues are guard cells located?
A
Epidemis
B
MesophyII
C
Vascular bundles
D
Meristems
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 #45172)
Biology
WAEC / WASSCE 2016
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The association between two organisms in which one of the organisms gains and the other loses is referred to as
A
saprophytism
B
commensalism
C
mutualism
D
parasitism
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 #45173)