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Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Solution
The gland that is found just below the hypothalamus is the
A
parathyroid
B
adrenal
C
pituitary
D
thyroid
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The pituitary gland is located just below the hypothalamus. It is a small, pea-sized gland connected to the hypothalamus by a stalk, and it plays a crucial role in regulating many other endocrine glands by releasing various hormones.
Source: Myschool Past Questions Archive (Record #29828)
Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Solution
The most important plant hormone is
A
cytokinin
B
abscisic acid
C
auxin
D
gibberellin
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Auxins have a cardinal role in coordination of many growth and behavioral processes in the plant's life cycle and are essential for plant body development.
Source: Myschool Past Questions Archive (Record #29829)
Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Solution
The sensory cell that responds to dim light is referred to as the
A
cone
B
lens
C
rod
D
iris
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Rods are highly sensitive to light and are specifically adapted for vision in low-light (scotopic) or dim conditions. They contain a pigment called rhodopsin, which allows them to detect even single photons of light, though they do not perceive colour.
Source: Myschool Past Questions Archive (Record #29830)
Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Solution
The absence of anti-diuretic hormone in humans results in
A
decreasing dehydration
B
drastic dehydration
C
eliminating dehydration
D
increasing dehydration
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Too little ADH in your blood may be caused by compulsive water drinking. It can lead to severe dehydration as well.
Source: Myschool Past Questions Archive (Record #29831)
Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Oestrogen is a hormone that is synthesized in the
A
ovaries
B
testes
C
anterior pituitary
D
adrenal cortex
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 #29832)
Biology
UTME / JAMB 2013
Nervous, Hormonal Coordination & Sense Organs
Solution
The eye defect cause by the development of cloudy areas in the lenses is?
A
presbyopia
B
glaucoma
C
cataract
D
astigmatism
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Most cataracts develop when aging or injury changes the tissue that makes up the eye's lens. Proteins and fibers in the lens begin to break down, causing vision to become hazy or cloudy. Some inherited genetic disorders that cause other health problems can increase your risk of cataracts.
Source: Myschool Past Questions Archive (Record #29834)
Biology
UTME / JAMB 2013
Population Ecology, Habitats & Conservation
A pollutant that is biodegradable is
A
crude oil
B
heavy metals
C
cellophane
D
sewage
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 #29837)
Biology
UTME / JAMB 2013
Growth, Micro-organisms & Public Health
A tropical disease caused by Trypanosoma is
A
sleeping sickness
B
river blindness
C
yellow fever
D
malaria
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 #29844)
Biology
UTME / JAMB 2013
Basic Ecological Concepts, Ecosystems & Biomes
The solid part of the ecosystem is referred to as the
A
atmosphere
B
hydrosphere
C
biosphere
D
lithosphere
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 #29847)
Biology
UTME / JAMB 2013
Growth, Micro-organisms & Public Health
Which of the following is caused by Treponema palladium?
A
Gonorrhea
B
Leprosy
C
Tuberculosis
D
Syphilis
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 #29855)
Biology
UTME / JAMB 2013
Variation & Genetics (Heredity)
To which blood group do universal recipients belong?
A
B
B
A
C
O
D
AB
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 #29857)
Biology
UTME / JAMB 2013
Variety of Organisms & Classification of Living Things
The clumping together of red blood cells is
A
agglutination
B
fussion
C
transfusion
D
compatibility
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 #29858)
Biology
UTME / JAMB 2013
Adaptation & Evolution
Physiological adaptation to very dry conditions in animals demonstrates
A
rejuvenation
B
xeromorphism
C
hibernation
D
aestivation
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 #29861)
Biology
UTME / JAMB 2013
Adaptation & Evolution
One of adaptation of Cactus opuntia to conserve water is the reduction of
A
internodes
B
stem to leaves
C
leaves to spine
D
flower size
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 #29863)
Biology
UTME / JAMB 2013
Adaptation & Evolution
Which of the following structure is adapted for feeding in a bird of prey?
A
Hooked break and sharp claws
B
Smooth beak and strong claws
C
Big beaks and strong feet
D
Pointed beak and strong claws
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 #29864)