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Chemistry
UTME / JAMB 1993
Organic Chemistry I: Hydrocarbons & Crude Oil
Diagram
The function of the copper (ll)tetraoxosulphate (IV) in dilute H2SO4 in the figure above is to
Attached Figure / Diagram
A
dry the gas
B
absorb phosphine impurity
C
absorb ethene impurity
D
from an acetylide with ethyne
medium Difficulty
Verified Correct Answer: Option B
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #31472)
Chemistry
UTME / JAMB 1993
Stoichiometry, Mole Concept & Volumetric Analysis
Solution
At 25oC and 1atm, a gas occupies a volume of 1.50dm3. What volume will it occupy at 100oC and 1atm?
A
1.88 dm3
B
6.00 dm3
C
18.80 dm3
D
18.80 dm3
E
60.00dm3
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
\(\frac{v_1}{T_1} = \frac{V_2}{T_2}\)
V2 = \(\frac{V_1 \times T_2}{T_1}\)
= \(\frac{1.50 \times 373}{298}\)
= 1.88 dm3
Source: Official Exam / Past Question Archive
Chemistry
UTME / JAMB 1993
Organic Chemistry I: Hydrocarbons & Crude Oil
The fraction of crude oil used as jet fuel is
A
refinery gas
B
diesel oil
C
kerosine
D
gasoline
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 #44443)
Chemistry
UTME / JAMB 1993
Nature of Matter & Separation Techniques
Solution
The dissolution of common salt in water is a physical change because
A
the salt can be obtained by crystallization
B
the salt can be recovered by the evaporation of water
C
heat is not generated during mixing
D
the solution will not boil at 100oC
medium Difficulty
Verified Correct Answer: Option B
Chemical Principles & Mechanism
The evaporation of water is a physical change. When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not changed into any other substance.
Source: Myschool Past Questions Archive (Record #44441)
Chemistry
UTME / JAMB 1993
Stoichiometry, Mole Concept & Volumetric Analysis
Solution
At 25oC and 1atm, a gas occupies a volume of 1.50dm3. What volume will it occupy at 100oC and 1atm?
A
1.88 dm3
B
6.00 dm3
C
18.80 dm3
D
18.80 dm3
E
60.00dm3
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
\(\frac{v_1}{T_1} = \frac{V_2}{T_2}\)
V2 = \(\frac{V_1 \times T_2}{T_1}\)
= \(\frac{1.50 \times 373}{298}\)
= 1.88 dm3
Source: Myschool Past Questions Archive (Record #44442)
English Language
UTME / JAMB 1993
Reading Comprehension, Summary & Composition
The writer, on getting into the train, was shocked because
A
There were no attendants
B
Of large number of white faces
C
The people appeared unfriendly
D
The train was not neater than those in Nigeria
medium Difficulty
Verified Correct Answer: Option C
Grammar & Contextual Explanation
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Official Exam / Past Question Archive
Biology
UTME / JAMB 1993
Cell Structure, Organization & Cell Division
On what structure are the units of inheritance situated?
A
Golgi bodies
B
Ribosomes
C
Chromosomes
D
Endoplasmic reticulum
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 #5019)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
Production of naked seeds is a distinctive feature of the group of plant called
A
grasses
B
conifers
C
legumes
D
palms
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 #5020)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
Solution
In which of these features do bryophytes differ from pteridophytes?
A
Absence of flower
B
Alternation of generation
C
Dependency on water for reproduction
D
Presence of vascular system
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Bryophytes are non-vascular plants. They are found in moist places, but can also grow in a dry environment. They provide water and nutrients to the plants growing alongside.
Pteridophytes are vascular plants that do not produce flowers or seeds. They are also known as cryptograms. It includes diverse true ferns. They have leaves, stems and roots.
Source: Myschool Past Questions Archive (Record #5021)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
Which of the following organs or cells components are common to both the sporophytes and the gametophytes of a fern?
A
Rhizoids
B
Roots
C
Chloroplast
D
Leaves
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 #5022)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis?
A
Paramecium
B
Euglena
C
Amoeba
D
Spirogyra
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 #5023)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
In which of the following organisms would glycogen be stored?
A
Spirogyra
B
Chlamydomonas
C
Rattus
D
Magnifera
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 #5024)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
The most successful group of animals in terms of diversity of species is
A
mollusca
B
arthropoda
C
mammalia
D
platyhelminthes
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 #5025)
Biology
UTME / JAMB 1993
Excretion & Homeostasis
Flame cells are the
A
excretory system of worms
B
excretory and respiratory systems of flatworms
C
secretory syustem of flatworms
D
excretory system of flatworms
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 #5026)
Biology
UTME / JAMB 1993
Variety of Organisms & Classification of Living Things
The spores of mucor are dispersed by
A
water
B
wind
C
insects
D
explosive mechanism
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 #5027)