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Chemistry
UTME / JAMB 1999
Nature of Matter & Separation Techniques
Diagram
Solution
In the diagram above, the mixture of the solids P and Q can be separated by?
Attached Figure / Diagram
A
distillation
B
fractional distillation
C
crystallization
D
fractional crystallization
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
The process involves a series of repeated-crystallizations.
Source: Myschool Past Questions Archive (Record #31574)
Chemistry
UTME / JAMB 1999
Stoichiometry, Mole Concept & Volumetric Analysis
Diagram
Which of the compounds above would react to take up two molecules of bromine durng bromination?
Attached Figure / Diagram
A
l only
B
lll only
C
l and ll only
D
ll and lll only
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #31578)
English Language
UTME / JAMB 1999
Lexis, Structure & Register (Cloze & Vocabulary)
Select the correct option for the space numbered 25 in the above passage
A
royalty
B
honorarium
C
dividend
D
interest
medium Difficulty
Verified Correct Answer: Option A
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Official Exam / Past Question Archive
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
The organism that has a hydrostatic skeleton is
A
Tilapia
B
Hydra
C
mosquito larva
D
earthworm
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 #6084)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
Solution
The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by
A
birds and reptiles
B
fishes and birds
C
reptiles and fishes
D
birds and molluscs
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
-Fishes don not lay eggs with shells
- Hence; these are features common to Reptiles and Birds
Source: Myschool Past Questions Archive (Record #6085)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
The group of Arthropods that has no antennae is the
A
Crustacea
B
Chilpoda
C
Arachnida
D
Diplopoda
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 #6086)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
In which of the following organisms does each cell combine the function of nutrition, reproduction and growth?
A
Rhizophus
B
Dryopteris
C
Brachymenium
D
Spirogyra
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 #6092)
Biology
UTME / JAMB 1999
Respiration & Gaseous Exchange
They key event in the transition of the amphibians from water to land is the
A
replacement of the gills with lungs
B
possession of webbed limbs
C
development of long hing limbs
D
possession of tympanic membrane
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 #6093)
Biology
UTME / JAMB 1999
Cell Structure, Organization & Cell Division
In plant cells, the chloroplast are located
A
inside the cell wall
B
outside the protoplasm
C
within the vacuole
D
within the cytoplasm
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 #6094)
Biology
UTME / JAMB 1999
Respiration & Gaseous Exchange
In the woody stems, gaseous exchange takes place through the
A
micropyles
B
stomata
C
lenticels
D
vessels
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 #6095)
Biology
UTME / JAMB 1999
Supporting Tissues & Skeletal System
Substance manufactured by the leaves are transported to other parts of the plant through the
A
phloem
B
companion cells
C
sieve tubes
D
cambium
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 #6096)
Biology
UTME / JAMB 1999
Transport System in Plants & Animals
After a meal of yam has been digested, the highest concentration of glucose is to be found in the
A
hepatic artery
B
pulmonary vein
C
hepatic portal vein
D
posterior vena cava
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 #6097)
Biology
UTME / JAMB 1999
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The dark reaction of photosynthesis involves
A
fixation of carbon (IV) oxide to give six-carbon sugar
B
fixation of carbon (IV) oxide with the help of oxygen
C
use of carbon (IV) oxide to produce glucose using ATP
D
fixation of carbon (IV) oxide on chlorophyll using hydrogen
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 #6098)
Biology
UTME / JAMB 1999
Transport System in Plants & Animals
Solution
Mammals acclimatize to reduced oxygen content at high altitudes by
A
the stimulation of marrow to reduce the amount of erythrocytes produced
B
increasing the rate at which erythrocytes are destroyed
C
the stimulation of marrow to produce more erythrocytes
D
increasing the break down of the protein portion of the erythrocytes
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Mammals acclimatize to reduced oxygen at high altitudes through physiological and genetic adaptations, including increased red blood cell production, enhanced lung capacity, and changes in haemoglobin structure and function, all aimed at improving oxygen delivery to tissues.
In order to compensate for lower oxygen levels, the body increases the production of red blood cells (erythrocytes), which carry oxygen in the blood. This allows for a greater capacity to transport oxygen to the tissues.
Source: Myschool Past Questions Archive (Record #6099)
Biology
UTME / JAMB 1999
Basic Ecological Concepts, Ecosystems & Biomes
The modes of nutrition in Nitrobacter, Ascaris and Homo sapiens respectively are
A
photosynthetic , parasitic and holozoic
B
chemosynthetic, parasitic and holozoic
C
photosynthetic, parasitic and heterophytic
D
chemosynthetic, holophytic and holozoic
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 #6100)