WorksheetsRSSOSA JUNIOR SECONDARY QUIZ 2025
Total questions: 100
Worksheet time: 50mins
The chemical formula for water is —
H2O
H2O2
OH2
HO2
Traits that are seen in every generation is known as —
Recessive trait
Progeny traits
Dominant traits
Albinism
In which of the layer of atmosphere can ozone (O3) be found?
Troposphere
Stratosphere
Ionosphere
Thermosphere
The S.I unit of power is —
Joule
Watt
Kelvin
Kilogram
The following impurities are found in crude oil except —
Ethane
Water
Sulphur
Salts
A vehicle of mass 500 kg has a velocity of 10 m/s. Calculate the kinetic energy of the vehicle.
2.5 J
2,500 J
25,000 J
25 J
Aquatic habitats are classified into three based on —
Volume of water
pH of water
Salinity
Ecology
All these are effects of ozone layer depletion except —
Increase in skin cancer and cataracts
Reduced crop yields due to UV-B damage
Thickening of the stratospheric ozone layer
Decline in marine phytoplankton productivity
All are waterborne diseases except —
Typhoid fever
Cholera
Malaria
Dysentery
The period between egg laying and hatching in birds is called —
Incubation
Delivery
Relaxation
Pre-natal
Gills are for respiration in —
Cat
Spider
Crocodile
Fish
The male sex cell is called —
Zygote
Sugar
Sperm
Ovum
The association between dog and tick is referred to as —
Saprophytism
Commensalism
Parasitism
Epiphytism
Tsetse fly is a vector that transmits —
Malaria
Typhoid
Tuberculosis
Sleeping sickness
All except one of the following are sense organs —
Eye
Nose
Skin
Oesophagus
People especially children are protected from diseases by —
Sterilization
Injection
Immunization
Pollution
The class of food that is essential for the insulation of the body is —
Carbohydrate
Mineral salts
Water
Fats and oil
The following quantities are measured in Joules except —
Mass
Work
Energy
Kinetic energy
Living things are classified into — and —
Plants and animals
Plants and water
Gas and liquid
Sheep and pen
Man belongs to the group of vertebrates known as —
Insect
Mammals
Reptiles
Aves
Choose the option that best completes the sentence. Hardly __ the match started when it began to rain.
had
has
have
having
Pick the correct expression. I suggest that she __ the letter immediately.
writes
wrote
write
writing
Choose the word that is closest in meaning to "meticulous".
Careless
Careful
Lazy
Impatient
A character who opposes the main character in a story is called the —
Protagonist
Narrator
Antagonist
Observer
Identify the type of clause in the sentence: I will help you if you ask me politely.
Adverbial clause of condition
Noun clause
Adjective clause
Adverbial clause of time
Choose the correct option. Neither the boys nor their teacher __ aware of the change.
are
were
is
be
Which sentence is in the future perfect tense?
She will write the letter
She will have written the letter
She has written the letter
She will be writing the letter
Choose the word closest in meaning to "obsolete".
Modern
Old-fashioned
Sharp
Temporary
Choose the best option. Barely had she entered the hall __ the lights went off.
when
then
than
while
Choose the opposite of "persistent".
Determined
Hesitant
Stubborn
Continual
Choose the correct option: Neither the teacher nor the students __ present.
was
were
is
be
Which of the following is an adverb?
Quickly
Quick
Quickest
Quicker
Fill in the blank: She has lived here ___ five years.
since
for
by
from
Identify the part of speech of the underlined word: 'The beautiful girl smiled.'
Noun
Adjective
Verb
Adverb
What is a fable?
A short story that teaches a moral lesson, often with animals as characters
A long narrative poem focused on heroic deeds
A historical account based on factual events
A technical manual describing procedures
A story written in the form of dialogue and performance is called a __
Poem
Drama
Prose
Novel
Name the figure of speech: 'The thunder growled angrily'
Personification
Metaphor
Simile
Onomatopoeia
Name the figure of speech: 'Her smile was as bright as the sun'
Simile
Metaphor
Hyperbole
Personification
Which of these has a voiced consonant?
fan
bus
van
sip
Which word rhymes with 'light'?
late
lit
bite
let
What is the full meaning of HTML?
HyperText Markup Language
HighText Machine Language
Hyperlink Text Language
Hyperlink Machine Language
Which of the following is an example of a web browser?
Google Chrome
Mozilla Firefox
Internet Explorer
All of the above
What is the purpose of a search engine?
To browse the internet
To search for information
To play games
To store data
What is a URL?
A web address
A type of software
A hardware device
A type of virus
What is the function of a web server?
To host websites
To browse the internet
To play games
To store data
What is a database?
A type of software
A collection of data
A hardware device
A collection of web pages
What is the purpose of a database query?
To retrieve data
To update data
To delete data
All of the above
Which of the following is an example of a database management system?
MySQL
Oracle
Microsoft Access
All of the above
What is a spreadsheet?
A type of software
A hardware device
What is the function of a formula in a spreadsheet?
To perform calculations
To store data
To retrieve data
To update data
What is a chart?
A type of graph
A type of software
A hardware device
An image
What is a programming language?
A type of code
A type of software
A language used to write software
A type of virus
Which of the following is an example of a programming language?
Python
Java
C++
All of the above
What is a variable in programming?
A hardware device
A type of software
A storage location for a value
A type of virus
What is a loop in programming?
A control structure that repeats a block of code
A conditional statement
An input statement
A type of virus
What is a conditional statement in programming?
A type of virus
A type of software
An output code
A statement that executes a block of code if a condition is true
What is a function in programming?
A control structure that repeats a block of code
A type of software
A block of code that performs a specific task
A type of virus
What is debugging in programming?
A hardware device
A type of software
The process of finding and fixing errors
A type of virus
What is a computer ethics?
A type of virus
A type of software
A set of rules for talking to computer
A set of rules that govern the use of computers
What is cybercrime?
A crime committed in canada
A crime committed using a computer
A hardware device
A type of virus
What is a computer virus?
A type of malware
A type of software
A hardware device
A type of hardware
What is a worm?
A type of network
A type of malware
A hardware device
A type of hardware
What is a Trojan horse?
A type of malware
A type of netcare
A hardware device
A type of hardware
What is a firewall?
A security system that monitors and controls network traffic
A type of software
A hardware device
A type of hardware
What is encryption?
The process of converting plaintext to ciphertext
A type of software
A hardware device
What is decryption?
A type of software
The process of converting ciphertext to plaintext
A code
A type of hardware
The mean of 3, 5, 4, 8, 6, 4, 6, 2, 3, 6 is:
4.5
4.7
5
6.1
10
16−x=x is true when x =
0
8
14
16
32
A number is trebled and then 17 is subtracted. If the result is 40, the original number is:
732
11
19
57
69
The mean of three numbers is 6. The mode is 7. The lowest number is:
2
3
4
6
7
67.053 to the nearest tenth is:
70
67
67.0
67.1
67.05
If the smaller of two consecutive numbers is n, the total when doubled and added to the greater is:
2n
2n+1
3n
3n+1
3n+2
The value of the 3 in 24.635 is:
3/1000
3/100
3/10
3
30
A distance of 3 km 29 m expressed in metres is:
3.029
3.29
329
3029
3.29 m
The exact value of π is:
3.142
22/7
3.14
3.1
Impossible to find
The difference in grams between x kg and 50x g is:
x−50x
49x
50x
950x
9050x
Next term in the sequence 1, 3, 7, 15, 31 is:
33
47
51
59
63
Express 526000 in standard form:
5.26×10−5
5.26×10−4
5.26×103
5.26×104
5.26×105
If 5/6 of a number is −6 2/3, the number is:
−18
−5/3
5/9
−1/2
−8
If m × −2 = 12, then m =
+24
+14
+6
−6
−24
Value of p2q−q2p if p=3 and q=1:
−12
−6
0
6
12
What percentage of 4 is 5?
125%
120%
80%
Reciprocal of −1.5
+1.5
+2/3
-2/3
-15/10
+10/15
Inverse operation of −1.5
+1.5
+2/3
-2/3
-15/10
+10/15
If the sum of two angles is 163∘ , the other angle is
47°
73°
163°
197°
343°
If x=2354÷821 , find x
2 1/2
2 2/3
1 2/5
24/5
3 3/5
What is the following is a national symbol of Nigeria
school anthem
Nigerian flag
market signpost
personal logo
The two colour of the Nigerian flag are
green and blue
white and black
green and white
red and white
Which value shows that a person can be trusted with money or property?
courage
loyalty
honesty
pride
The act of showing regard for other people's feelings and right is called
dishonesty
disobedience
respect
hatred
The body responsible for making laws in Nigerian is the
judiciary
press
executive
legislature
The lowest court in Nigerian is the
appeal court
customary court
supreme court
high court
Choose the best option. No sooner had he finished his meal __ he felt sick.
than
when
then
while
Which of the following is a consequence of deforestation?
Increased biodiversity
Soil erosion
Improved air quality
Enhanced wildlife habitats
Identify the correct form. She wishes that he __ here today.
is
was
were
be
What is the primary purpose of a fable?
To entertain with a humorous story
To provide a moral lesson through a narrative
To document historical events
To describe scientific phenomena
Which of the following is an example of commensalism?
Fungi growing on decaying wood
Bees pollinating flowers
Ticks feeding on dogs
Birds nesting in trees
What is the main function of a pivot table in a spreadsheet?
To format cells
To store large datasets
To summarize and analyze data
To create charts
2/5
2:7
5/2
which command will put a procedure in the computer memory?
Save
Erase
Load
Delete
