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Chemistry
UTME / JAMB 1992
Stoichiometry, Mole Concept & Volumetric Analysis
Diagram
Solution
In the experiment above. Z can be
Attached Figure / Diagram
A
a solution of sodium dioxonitrate (lll) and ammonium chloride
B
a solution of lead trioxnitrate (V)
C
a solution of sodium trioxonitrate (V) and ammonium chloride
D
concentrated tetraoxosulphate (VI) acid and sodium trioxonitrate (V)
medium Difficulty
Verified Correct Answer: Option C
Chemical Principles & Mechanism
Nitrogen(I) oxide(laughing gas) can be prepared in the laboratory by the action of heat on a mixture of sodium trioxonitrate (V) and ammonium chloride, this colourless gas is collected over water.
Source: Myschool Past Questions Archive (Record #31456)
Chemistry
UTME / JAMB 1992
Organic Chemistry II: Functional Groups, Polymers & Biomolecules
Diagram
Solution
Which of the following compounds is a secondary alkanol?
Attached Figure / Diagram
A
A
B
B
C
C
D
D
medium Difficulty
Verified Correct Answer: Option A
Chemical Principles & Mechanism
Alkanols with two alkyl groups attached to the carbon atom carrying the hydroxyl group (-OH) is called secondary alkanol.
Source: Myschool Past Questions Archive (Record #31459)
Chemistry
UTME / JAMB 1992
Stoichiometry, Mole Concept & Volumetric Analysis
A given mass of gas occupies 2 dm2 at 300k. At what temperature will its volume be doubled keeping the pressure constant?
A
400k
B
480k
C
550k
D
600k
medium Difficulty
Verified Correct Answer: Option D
Chemical Principles & Mechanism
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #44444)
Chemistry
UTME / JAMB 1992
Atomic Structure, Orbitals & Nuclear Chemistry
The nucleus of the isotopes tritium,contains
A
two neutrons with no protons
B
one neutron and one proton
C
two neutrons and one proton
D
two neutrons, one proton and one electron
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 #44446)
English Language
UTME / JAMB 1992
Lexis, Structure & Register (Cloze & Vocabulary)
Solution
An appropriate title for the passage is
A
A picture , the young man and the female beggars
B
Mad men and mendicants
C
The problem of mad people in the society
D
Young men and female beggars
medium Difficulty
Verified Correct Answer: Option B
Grammar & Contextual Explanation
The passage is primarily about beggars/mendicants in urban society, but it begins with a detailed description of a young man who appears to be mentally disturbed. It then broadens the discussion to different categories of people begging in society.
Source: Official Exam / Past Question Archive
Biology
UTME / JAMB 1992
Cell Structure, Organization & Cell Division
The organelle involved in tissue respiration is the
A
endoplasmic reticulum
B
ribosome
C
golgi body
D
mitochondrion
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 #4900)
Biology
UTME / JAMB 1992
Variety of Organisms & Classification of Living Things
A tissue can best be defined as
A
an aggregate of similar cells
B
an aggregate of cells performing a similar function
C
an aggregate of similar cells performing the same function
D
a mixture of different cells types performing the same function
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 #4901)
Biology
UTME / JAMB 1992
Variety of Organisms & Classification of Living Things
Which of the following correctly summarizes the life cycle of fern plant?
A
Spore → prothallus → thallus → sporangium
B
Male and female gamentangia → zygospores → sporangium → spores
C
Spore → thallus → spermatozoa + ovum → sporangium
D
Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
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 #4902)
Biology
UTME / JAMB 1992
Reproduction in Plants & Animals
Which of the following insects undergoes incomplete metamorphosis?
A
Mosquito
B
Termite
C
Housefly
D
Moth
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 #4908)
Biology
UTME / JAMB 1992
Reproduction in Plants & Animals
An onion is a bulb because it
A
has a tuberous stem
B
has a reduced stem and thick fleshy leaves
C
has adventitous roots
D
bears many buds at the nodes
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 #4909)
Biology
UTME / JAMB 1992
Respiration & Gaseous Exchange
Solution
The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the
A
stomata
B
lenticels
C
air space
D
guard cell
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The stomata are microscopic pores located on the surface (epidermis) of a leaf that act as the main gateway for gas exchange and transpiration. They specifically control the entry of carbon dioxide (air) and the exit of oxygen and water vapor from the internal mesophyll layer to the outside atmosphere. By opening and closing, the stomata regulate the internal environment of the leaf to balance the needs of photosynthesis with the prevention of excessive water loss.
Source: Myschool Past Questions Archive (Record #4910)
Biology
UTME / JAMB 1992
Variety of Organisms & Classification of Living Things
Fungi are heterotropic because they
A
have no leaves
B
lack roots
C
are filamentous
D
lack chlorophyll
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 #4911)
Biology
UTME / JAMB 1992
Supporting Tissues & Skeletal System
The major site of photosynthesis in the leaf is the
A
palisade parenchyma
B
mesophyll parenchyma
C
upper epidermis
D
lower epidermis
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 #4912)
Biology
UTME / JAMB 1992
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
5 cm3 dilute sodium hydroxide solution and 5 cm3 one percent copper sulphate solution are added to a solution of food specimen. The purple colour which is observed shows the presence of
A
glucose
B
starch
C
fat
D
protein
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 #4913)
Biology
UTME / JAMB 1992
Digestive System & Feeding Mechanisms
Solution
The blood vessel which carries blood from the alimentary canal to the liver is the
A
hepatic artery
B
hepatic vein
C
hepatic portal vein
D
mesenteric artery
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The blood vessel that carries blood from the alimentary canal to the liver is the hepatic portal vein (also known as the portal vein). This vein collects blood from the stomach, intestines, pancreas, and spleen, carrying it into the liver through the porta hepatis. The liver then processes the nutrients and toxins in this blood before it returns to the general circulation.
Source: Myschool Past Questions Archive (Record #4914)