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UPSC EPFO APFC 2026 Mock Test Series with Answers | Military Brat Defence Academy
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Series: UPSC EPFO APFC 2026 Mock Test Series
QID #26188
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 hertz?
A
Largest organ of human body
B
SI unit of frequency
C
pH of a neutral aqueous solution at about 25°C
D
SI unit of power
Correct Answer: B. SI unit of frequency
Question: Which of the following is correctly associated with hertz?
A. Largest organ of human body
B. SI unit of frequency
C. pH of a neutral aqueous solution at about 25°C
D. SI unit of power
Correct Answer: B. SI unit of frequency
Explanation: Frequency is measured in hertz.
QID #26187
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
SI unit of frequency is correctly associated with which of the following?
A
K
B
hertz
C
mitochondrion
D
haemoglobin
Correct Answer: B. hertz
Question: SI unit of frequency is correctly associated with which of the following?
A. K
B. hertz
C. mitochondrion
D. haemoglobin
Correct Answer: B. hertz
Explanation: Frequency is measured in hertz.
QID #26186
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 carbon dioxide?
A
SI unit of power
B
Greenhouse gas strongly associated with fossil-fuel combustion
C
Red pigment in blood that transports oxygen
D
Basic unit of life
Correct Answer: B. Greenhouse gas strongly associated with fossil-fuel combustion
Question: Which of the following is correctly associated with carbon dioxide?
A. SI unit of power
B. Greenhouse gas strongly associated with fossil-fuel combustion
C. Red pigment in blood that transports oxygen
D. Basic unit of life
Correct Answer: B. Greenhouse gas strongly associated with fossil-fuel combustion
Explanation: Combustion of fossil fuels is a major source of carbon dioxide.
QID #26185
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Greenhouse gas strongly associated with fossil-fuel combustion is correctly associated with which of the following?
A
Na
B
haemoglobin
C
carbon dioxide
D
joule
Correct Answer: C. carbon dioxide
Question: Greenhouse gas strongly associated with fossil-fuel combustion is correctly associated with which of the following?
A. Na
B. haemoglobin
C. carbon dioxide
D. joule
Correct Answer: C. carbon dioxide
Explanation: Combustion of fossil fuels is a major source of carbon dioxide.
QID #26184
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 stratosphere?
A
Photosynthesis mainly occurs in
B
Greenhouse gas strongly associated with fossil-fuel combustion
C
Ozone layer is concentrated mainly in
D
Chemical symbol of sodium
Correct Answer: C. Ozone layer is concentrated mainly in
Question: Which of the following is correctly associated with stratosphere?
A. Photosynthesis mainly occurs in
B. Greenhouse gas strongly associated with fossil-fuel combustion
C. Ozone layer is concentrated mainly in
D. Chemical symbol of sodium
Correct Answer: C. Ozone layer is concentrated mainly in
Explanation: Most atmospheric ozone is in the stratosphere.
QID #26183
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Ozone layer is concentrated mainly in is correctly associated with which of the following?
A
insulin
B
stratosphere
C
Na
D
carbon dioxide
Correct Answer: B. stratosphere
Question: Ozone layer is concentrated mainly in is correctly associated with which of the following?
A. insulin
B. stratosphere
C. Na
D. carbon dioxide
Correct Answer: B. stratosphere
Explanation: Most atmospheric ozone is in the stratosphere.
QID #26182
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 cell?
A
Basic unit of life
B
Cell organelle called powerhouse of the cell
C
SI unit of work
D
Most abundant gas in Earth's atmosphere
Correct Answer: A. Basic unit of life
Question: Which of the following is correctly associated with cell?
A. Basic unit of life
B. Cell organelle called powerhouse of the cell
C. SI unit of work
D. Most abundant gas in Earth's atmosphere
Correct Answer: A. Basic unit of life
Explanation: The cell is the basic structural and functional unit of life.
QID #26181
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Basic unit of life is correctly associated with which of the following?
A
ampere
B
cell
C
carbon dioxide
D
skin
Correct Answer: B. cell
Question: Basic unit of life is correctly associated with which of the following?
A. ampere
B. cell
C. carbon dioxide
D. skin
Correct Answer: B. cell
Explanation: The cell is the basic structural and functional unit of life.
QID #26180
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 chloroplasts?
A
Functional unit of kidney
B
Photosynthesis mainly occurs in
C
Greenhouse gas strongly associated with fossil-fuel combustion
D
SI unit of force
Correct Answer: B. Photosynthesis mainly occurs in
Question: Which of the following is correctly associated with chloroplasts?
A. Functional unit of kidney
B. Photosynthesis mainly occurs in
C. Greenhouse gas strongly associated with fossil-fuel combustion
D. SI unit of force
Correct Answer: B. Photosynthesis mainly occurs in
Explanation: Chloroplasts contain chlorophyll and are the main site of photosynthesis.
QID #26179
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Photosynthesis mainly occurs in is correctly associated with which of the following?
A
Na
B
chloroplasts
C
ampere
D
stratosphere
Correct Answer: B. chloroplasts
Question: Photosynthesis mainly occurs in is correctly associated with which of the following?
A. Na
B. chloroplasts
C. ampere
D. stratosphere
Correct Answer: B. chloroplasts
Explanation: Chloroplasts contain chlorophyll and are the main site of photosynthesis.
QID #26178
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 DNA?
A
SI unit of work
B
Genetic material in most organisms
C
Chemical formula of water
D
Basic unit of life
Correct Answer: B. Genetic material in most organisms
Question: Which of the following is correctly associated with DNA?
A. SI unit of work
B. Genetic material in most organisms
C. Chemical formula of water
D. Basic unit of life
Correct Answer: B. Genetic material in most organisms
Explanation: DNA is the hereditary material in most organisms.
QID #26177
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Genetic material in most organisms is correctly associated with which of the following?
A
7
B
nephron
C
haemoglobin
D
DNA
Correct Answer: D. DNA
Question: Genetic material in most organisms is correctly associated with which of the following?
A. 7
B. nephron
C. haemoglobin
D. DNA
Correct Answer: D. DNA
Explanation: DNA is the hereditary material in most organisms.
QID #26176
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 mitochondrion?
A
SI unit of work
B
Cell organelle called powerhouse of the cell
C
Chemical formula of water
D
SI unit of frequency
Correct Answer: B. Cell organelle called powerhouse of the cell
Question: Which of the following is correctly associated with mitochondrion?
A. SI unit of work
B. Cell organelle called powerhouse of the cell
C. Chemical formula of water
D. SI unit of frequency
Correct Answer: B. Cell organelle called powerhouse of the cell
Explanation: Mitochondria generate most cellular ATP through aerobic respiration.
QID #26175
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Cell organelle called powerhouse of the cell is correctly associated with which of the following?
A
mitochondrion
B
rickets
C
7
D
joule
Correct Answer: A. mitochondrion
Question: Cell organelle called powerhouse of the cell is correctly associated with which of the following?
A. mitochondrion
B. rickets
C. 7
D. joule
Correct Answer: A. mitochondrion
Explanation: Mitochondria generate most cellular ATP through aerobic respiration.
QID #26174
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 haemoglobin?
A
SI unit of power
B
Red pigment in blood that transports oxygen
C
Photosynthesis mainly occurs in
D
SI unit of electric current
Correct Answer: B. Red pigment in blood that transports oxygen
Question: Which of the following is correctly associated with haemoglobin?
A. SI unit of power
B. Red pigment in blood that transports oxygen
C. Photosynthesis mainly occurs in
D. SI unit of electric current
Correct Answer: B. Red pigment in blood that transports oxygen
Explanation: Haemoglobin transports oxygen in red blood cells.
QID #26173
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Red pigment in blood that transports oxygen is correctly associated with which of the following?
A
joule
B
oxygen
C
haemoglobin
D
cell
Correct Answer: C. haemoglobin
Question: Red pigment in blood that transports oxygen is correctly associated with which of the following?
A. joule
B. oxygen
C. haemoglobin
D. cell
Correct Answer: C. haemoglobin
Explanation: Haemoglobin transports oxygen in red blood cells.
QID #26172
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 rickets?
A
pH of a neutral aqueous solution at about 25°C
B
Red pigment in blood that transports oxygen
C
Basic unit of life
D
Deficiency disease caused by lack of vitamin D in children
Correct Answer: D. Deficiency disease caused by lack of vitamin D in children
Question: Which of the following is correctly associated with rickets?
A. pH of a neutral aqueous solution at about 25°C
B. Red pigment in blood that transports oxygen
C. Basic unit of life
D. Deficiency disease caused by lack of vitamin D in children
Correct Answer: D. Deficiency disease caused by lack of vitamin D in children
Explanation: Vitamin D deficiency in children can cause rickets.
QID #26171
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Deficiency disease caused by lack of vitamin D in children is correctly associated with which of the following?
A
nephron
B
approximately 9.8 m/s²
C
joule
D
rickets
Correct Answer: D. rickets
Question: Deficiency disease caused by lack of vitamin D in children is correctly associated with which of the following?
A. nephron
B. approximately 9.8 m/s²
C. joule
D. rickets
Correct Answer: D. rickets
Explanation: Vitamin D deficiency in children can cause rickets.
QID #26170
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 scurvy?
A
Most abundant gas in Earth's atmosphere
B
Genetic material in most organisms
C
Deficiency disease caused by lack of vitamin C
D
Cell organelle called powerhouse of the cell
Correct Answer: C. Deficiency disease caused by lack of vitamin C
Question: Which of the following is correctly associated with scurvy?
A. Most abundant gas in Earth's atmosphere
B. Genetic material in most organisms
C. Deficiency disease caused by lack of vitamin C
D. Cell organelle called powerhouse of the cell
Correct Answer: C. Deficiency disease caused by lack of vitamin C
Explanation: Vitamin C deficiency causes scurvy.
QID #26169
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC General Science Sectional Test 2026 Medium
Deficiency disease caused by lack of vitamin C is correctly associated with which of the following?
A
approximately 9.8 m/s²
B
nitrogen
C
scurvy
D
chloroplasts
Correct Answer: C. scurvy
Question: Deficiency disease caused by lack of vitamin C is correctly associated with which of the following?
A. approximately 9.8 m/s²
B. nitrogen
C. scurvy
D. chloroplasts
Correct Answer: C. scurvy
Explanation: Vitamin C deficiency causes scurvy.
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