Free MCQ Practice Library
UPSC EPFO APFC 2026 Mock Test Series with Answers | Military Brat Defence Academy
Practice exam-wise, class-wise and subject-wise MCQs with instant answers, explanations, SEO-friendly question pages and shareable result image cards.
Total MCQs: 2,170
Page: 76/109
Series: UPSC EPFO APFC 2026 Mock Test Series
QID #26148
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Which of the following is correctly associated with approximately 3 × 10^8 m/s?
A
Speed of light in vacuum
B
SI unit of power
C
Red pigment in blood that transports oxygen
D
Most abundant gas in Earth's atmosphere
Correct Answer: A. Speed of light in vacuum
Light travels in vacuum at about 3 × 10^8 metres per second.
Question: Which of the following is correctly associated with approximately 3 × 10^8 m/s?
A. Speed of light in vacuum
B. SI unit of power
C. Red pigment in blood that transports oxygen
D. Most abundant gas in Earth's atmosphere
Correct Answer: A. Speed of light in vacuum
Explanation: Light travels in vacuum at about 3 × 10^8 metres per second.
QID #26147
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Speed of light in vacuum is correctly associated with which of the following?
A
K
B
H2O
C
approximately 3 × 10^8 m/s
D
newton
Correct Answer: C. approximately 3 × 10^8 m/s
Light travels in vacuum at about 3 × 10^8 metres per second.
Question: Speed of light in vacuum is correctly associated with which of the following?
A. K
B. H2O
C. approximately 3 × 10^8 m/s
D. newton
Correct Answer: C. approximately 3 × 10^8 m/s
Explanation: Light travels in vacuum at about 3 × 10^8 metres per second.
QID #26146
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Which of the following is correctly associated with ampere?
A
Speed of light in vacuum
B
SI unit of electric current
C
Acceleration due to gravity near Earth's surface
D
pH of a neutral aqueous solution at about 25°C
Correct Answer: B. SI unit of electric current
Electric current is measured in amperes.
Question: Which of the following is correctly associated with ampere?
A. Speed of light in vacuum
B. SI unit of electric current
C. Acceleration due to gravity near Earth's surface
D. pH of a neutral aqueous solution at about 25°C
Correct Answer: B. SI unit of electric current
Explanation: Electric current is measured in amperes.
QID #26145
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
SI unit of electric current is correctly associated with which of the following?
A
haemoglobin
B
scurvy
C
ampere
D
joule
Correct Answer: C. ampere
Electric current is measured in amperes.
Question: SI unit of electric current is correctly associated with which of the following?
A. haemoglobin
B. scurvy
C. ampere
D. joule
Correct Answer: C. ampere
Explanation: Electric current is measured in amperes.
QID #26144
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Which of the following is correctly associated with watt?
A
Speed of light in vacuum
B
Functional unit of kidney
C
SI unit of force
D
SI unit of power
Correct Answer: D. SI unit of power
Power is measured in watts.
Question: Which of the following is correctly associated with watt?
A. Speed of light in vacuum
B. Functional unit of kidney
C. SI unit of force
D. SI unit of power
Correct Answer: D. SI unit of power
Explanation: Power is measured in watts.
QID #26143
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
SI unit of power is correctly associated with which of the following?
A
K
B
newton
C
watt
D
hertz
Correct Answer: C. watt
Power is measured in watts.
Question: SI unit of power is correctly associated with which of the following?
A. K
B. newton
C. watt
D. hertz
Correct Answer: C. watt
Explanation: Power is measured in watts.
QID #26142
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Which of the following is correctly associated with joule?
A
SI unit of work
B
Chemical symbol of sodium
C
Genetic material in most organisms
D
SI unit of electric current
Correct Answer: A. SI unit of work
Work and energy are measured in joules.
Question: Which of the following is correctly associated with joule?
A. SI unit of work
B. Chemical symbol of sodium
C. Genetic material in most organisms
D. SI unit of electric current
Correct Answer: A. SI unit of work
Explanation: Work and energy are measured in joules.
QID #26141
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
SI unit of work is correctly associated with which of the following?
A
joule
B
7
C
chloroplasts
D
newton
Correct Answer: A. joule
Work and energy are measured in joules.
Question: SI unit of work is correctly associated with which of the following?
A. joule
B. 7
C. chloroplasts
D. newton
Correct Answer: A. joule
Explanation: Work and energy are measured in joules.
QID #26140
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Which of the following is correctly associated with newton?
A
SI unit of force
B
Ozone layer is concentrated mainly in
C
Deficiency disease caused by lack of vitamin C
D
Deficiency disease caused by lack of vitamin D in children
Correct Answer: A. SI unit of force
Force is measured in newtons in the SI system.
Question: Which of the following is correctly associated with newton?
A. SI unit of force
B. Ozone layer is concentrated mainly in
C. Deficiency disease caused by lack of vitamin C
D. Deficiency disease caused by lack of vitamin D in children
Correct Answer: A. SI unit of force
Explanation: Force is measured in newtons in the SI system.
QID #26139
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
SI unit of force is correctly associated with which of the following?
A
7
B
K
C
newton
D
nephron
Correct Answer: C. newton
Force is measured in newtons in the SI system.
Question: SI unit of force is correctly associated with which of the following?
A. 7
B. K
C. newton
D. nephron
Correct Answer: C. newton
Explanation: Force is measured in newtons in the SI system.
QID #26138
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Encryption?
A
Transformation of readable data into coded form to protect confidentiality
B
Central processing unit that executes instructions
C
System software managing hardware resources and providing services to applications
D
Authentication requiring two different categories of evidence
Correct Answer: A. Transformation of readable data into coded form to protect confidentiality
Encryption: Transformation of readable data into coded form to protect confidentiality
Question: Which statement best explains Encryption?
A. Transformation of readable data into coded form to protect confidentiality
B. Central processing unit that executes instructions
C. System software managing hardware resources and providing services to applications
D. Authentication requiring two different categories of evidence
Correct Answer: A. Transformation of readable data into coded form to protect confidentiality
Explanation: Encryption: Transformation of readable data into coded form to protect confidentiality
QID #26137
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Transformation of readable data into coded form to protect confidentiality
A
Encryption
B
ROM
C
Phishing
D
Firewall
Correct Answer: A. Encryption
The correct answer is Encryption. Transformation of readable data into coded form to protect confidentiality
Question: Which of the following is best described as: Transformation of readable data into coded form to protect confidentiality
A. Encryption
B. ROM
C. Phishing
D. Firewall
Correct Answer: A. Encryption
Explanation: The correct answer is Encryption. Transformation of readable data into coded form to protect confidentiality
QID #26136
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Backup?
A
Fraudulent attempt to obtain sensitive information by impersonating a trusted source
B
Separate copy of data maintained for recovery
C
System software managing hardware resources and providing services to applications
D
Malware that encrypts or blocks access to data and demands payment
Correct Answer: B. Separate copy of data maintained for recovery
Backup: Separate copy of data maintained for recovery
Question: Which statement best explains Backup?
A. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
B. Separate copy of data maintained for recovery
C. System software managing hardware resources and providing services to applications
D. Malware that encrypts or blocks access to data and demands payment
Correct Answer: B. Separate copy of data maintained for recovery
Explanation: Backup: Separate copy of data maintained for recovery
QID #26135
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Separate copy of data maintained for recovery
A
Backup
B
Browser
C
Two-factor authentication
D
HTTPS
Correct Answer: A. Backup
The correct answer is Backup. Separate copy of data maintained for recovery
Question: Which of the following is best described as: Separate copy of data maintained for recovery
A. Backup
B. Browser
C. Two-factor authentication
D. HTTPS
Correct Answer: A. Backup
Explanation: The correct answer is Backup. Separate copy of data maintained for recovery
QID #26134
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Cloud computing?
A
Hypertext Transfer Protocol used for web communication
B
Domain Name System translating domain names into IP addresses
C
Delivery of computing resources over a network on demand
D
System software managing hardware resources and providing services to applications
Correct Answer: C. Delivery of computing resources over a network on demand
Cloud computing: Delivery of computing resources over a network on demand
Question: Which statement best explains Cloud computing?
A. Hypertext Transfer Protocol used for web communication
B. Domain Name System translating domain names into IP addresses
C. Delivery of computing resources over a network on demand
D. System software managing hardware resources and providing services to applications
Correct Answer: C. Delivery of computing resources over a network on demand
Explanation: Cloud computing: Delivery of computing resources over a network on demand
QID #26133
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Delivery of computing resources over a network on demand
A
ROM
B
Cloud computing
C
IP address
D
Firewall
Correct Answer: B. Cloud computing
The correct answer is Cloud computing. Delivery of computing resources over a network on demand
Question: Which of the following is best described as: Delivery of computing resources over a network on demand
A. ROM
B. Cloud computing
C. IP address
D. Firewall
Correct Answer: B. Cloud computing
Explanation: The correct answer is Cloud computing. Delivery of computing resources over a network on demand
QID #26132
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Database?
A
Non-volatile memory typically storing permanent or semi-permanent instructions
B
Structured collection of data designed for efficient storage and retrieval
C
Numerical identifier used by devices on an IP network
D
Transformation of readable data into coded form to protect confidentiality
Correct Answer: B. Structured collection of data designed for efficient storage and retrieval
Database: Structured collection of data designed for efficient storage and retrieval
Question: Which statement best explains Database?
A. Non-volatile memory typically storing permanent or semi-permanent instructions
B. Structured collection of data designed for efficient storage and retrieval
C. Numerical identifier used by devices on an IP network
D. Transformation of readable data into coded form to protect confidentiality
Correct Answer: B. Structured collection of data designed for efficient storage and retrieval
Explanation: Database: Structured collection of data designed for efficient storage and retrieval
QID #26131
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Structured collection of data designed for efficient storage and retrieval
A
Ransomware
B
Database
C
Browser
D
Encryption
Correct Answer: B. Database
The correct answer is Database. Structured collection of data designed for efficient storage and retrieval
Question: Which of the following is best described as: Structured collection of data designed for efficient storage and retrieval
A. Ransomware
B. Database
C. Browser
D. Encryption
Correct Answer: B. Database
Explanation: The correct answer is Database. Structured collection of data designed for efficient storage and retrieval
QID #26130
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Spreadsheet?
A
Non-volatile memory typically storing permanent or semi-permanent instructions
B
Structured collection of data designed for efficient storage and retrieval
C
Application organized in cells for calculation, analysis and tabular data
D
Application used to access and navigate web resources
Correct Answer: C. Application organized in cells for calculation, analysis and tabular data
Spreadsheet: Application organized in cells for calculation, analysis and tabular data
Question: Which statement best explains Spreadsheet?
A. Non-volatile memory typically storing permanent or semi-permanent instructions
B. Structured collection of data designed for efficient storage and retrieval
C. Application organized in cells for calculation, analysis and tabular data
D. Application used to access and navigate web resources
Correct Answer: C. Application organized in cells for calculation, analysis and tabular data
Explanation: Spreadsheet: Application organized in cells for calculation, analysis and tabular data
QID #26129
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Application organized in cells for calculation, analysis and tabular data
A
Cloud computing
B
Firewall
C
DNS
D
Spreadsheet
Correct Answer: D. Spreadsheet
The correct answer is Spreadsheet. Application organized in cells for calculation, analysis and tabular data
Question: Which of the following is best described as: Application organized in cells for calculation, analysis and tabular data
A. Cloud computing
B. Firewall
C. DNS
D. Spreadsheet
Correct Answer: D. Spreadsheet
Explanation: The correct answer is Spreadsheet. Application organized in cells for calculation, analysis and tabular data
Free MCQs with Answers and Explanations
This MCQ library is created for MNS, Nursing Officer, English, GK, MBA and competitive exam students. Every question has option-wise content, instant checking, a dedicated SEO view page and social share support.