Everyday Science — Mixed Practice — Part 2: 40 MCQs with Explanations
40 exam-level everyday science — mixed practice MCQs with answers and explanations for PPSC, FPSC, NTS preparation.
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4
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Exam-Level PPSC FPSC NTS CSS
Last updated: Oct 13, 2026
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Q1 of 40
Hydrology is the study of ___________?
Correct Answer: Option C — Rainfall
Detailed Academic Explanation:
Hydrology is the study of Rainfall .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q2 of 40
Kilowatt-hour is a unit of____________?
Correct Answer: Option A — Energy
Detailed Academic Explanation:
Kilowatt-hour is a unit of Energy .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q3 of 40
Volcanoes can also be caused by _____ so called ‘hot spots’.
Correct Answer: Option C — Mantle Plumes
Detailed Academic Explanation:
Volcanoes can also be caused by Mantle Plumes so called ‘hot spots’.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q4 of 40
Volcanoes are usually located on ________?
Correct Answer: Option D — All of these
Detailed Academic Explanation:
Volcanoes are usually located on All of these .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q5 of 40
Which ocean does not commonly experience tropical cyclones?
Correct Answer: Option C — South Atlantic
Detailed Academic Explanation:
South Atlantic is the correct answer to “Which ocean does not commonly experience tropical cyclones”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q6 of 40
Which of the following is liquid fuel?
Correct Answer: Option D — All of above
Detailed Academic Explanation:
All of above is the correct answer to “Which of the following is liquid fuel”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q7 of 40
What is the magnetic field at any point in the open space inside the toroid?
Correct Answer: Option B — zero
Detailed Academic Explanation:
zero is the correct answer to “What is the magnetic field at any point in the open space inside the toroid”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q8 of 40
An astronaut sees the colour of the sky as: _________?
Correct Answer: Option A — Black
Detailed Academic Explanation:
An astronaut sees the colour of the sky as: Black .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q9 of 40
Study of fruit is called ___________?
Correct Answer: Option C — Pomology
Detailed Academic Explanation:
Study of fruit is called Pomology .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q10 of 40
The position of an element in the Periodic Table is determined by its __________ number?
Correct Answer: Option B — Proton
Detailed Academic Explanation:
The position of an element in the Periodic Table is determined by its Proton number.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q11 of 40
Which among the following is correct about Saliva of a Healthy Human?
Correct Answer: Option C — It is slightly alkaline
Detailed Academic Explanation:
It is slightly alkaline is the correct answer to “Which among the following is correct about Saliva of a Healthy Human”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q12 of 40
1 Meter = _________ millimeters?
Correct Answer: Option B — 1000 millimeters (mm)
Detailed Academic Explanation:
1 Meter = 1000 millimeters (mm) millimeters.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q13 of 40
1 Meter = _________?
Correct Answer: Option A — 100 centimeters (cm)
Detailed Academic Explanation:
1 Meter = 100 centimeters (cm) .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q14 of 40
Which part of the brain controls the Pituitary Gland?
Correct Answer: Option D — Hypothalamus
Detailed Academic Explanation:
Hypothalamus is the correct answer to “Which part of the brain controls the Pituitary Gland”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q15 of 40
The process which is essential for continuing and survival of species is __________?
Correct Answer: Option B — Reproduction
Detailed Academic Explanation:
The process which is essential for continuing and survival of species is Reproduction .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q16 of 40
The part of brain involved in balance and precision in movements is: __________?
Correct Answer: Option D — Cerebellum
Detailed Academic Explanation:
The part of brain involved in balance and precision in movements is: Cerebellum .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q17 of 40
Which hormone is necessary for the production of milk in the mother’s breast?
Correct Answer: Option A — prolactin
Detailed Academic Explanation:
prolactin is the correct answer to “Which hormone is necessary for the production of milk in the mother’s breast”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q18 of 40
Wireless transmission can be done via _____________?
Correct Answer: Option A — All of these
Detailed Academic Explanation:
Wireless transmission can be done via All of these .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q19 of 40
The Aurora Borealis, also known as ________?
Correct Answer: Option D — Northern lights
Detailed Academic Explanation:
The Aurora Borealis, also known as Northern lights .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q20 of 40
Which one of the following elements the drum of a Photostat machine is made up of: _________?
Correct Answer: Option B — Selenium
Detailed Academic Explanation:
Which one of the following elements the drum of a Photostat machine is made up of: Selenium .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q21 of 40
Chromosomes are made up of __________?
Correct Answer: Option C — DNA and Proteins
Detailed Academic Explanation:
Chromosomes are made up of DNA and Proteins .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q22 of 40
Combustion can not take place without __________?
Correct Answer: Option A — Air
Detailed Academic Explanation:
Combustion can not take place without Air .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q23 of 40
The major source of quick energy is ___________?
Correct Answer: Option B — Carbohydrates
Detailed Academic Explanation:
The major source of quick energy is Carbohydrates .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q24 of 40
Skin is _____ thick?
Correct Answer: Option D — 2mm
Detailed Academic Explanation:
Skin is 2mm thick.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q25 of 40
A three year child has _______ teeth?
Correct Answer: Option C — 20
Detailed Academic Explanation:
A three year child has 20 teeth.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q26 of 40
The stomach is the shape like bag?
Correct Answer: Option A — J Shape
Detailed Academic Explanation:
J Shape is the correct answer to “The stomach is the shape like bag”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q27 of 40
How many bones are in Human Skull?
Correct Answer: Option A — 22
Detailed Academic Explanation:
22 is the correct answer to “How many bones are in Human Skull”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q28 of 40
New Born Baby Brain weight is about________?
Correct Answer: Option C — 400 grams
Detailed Academic Explanation:
New Born Baby Brain weight is about 400 grams .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q29 of 40
How many bones in each hand?
Correct Answer: Option B — 27
Detailed Academic Explanation:
27 is the correct answer to “How many bones in each hand”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q30 of 40
how many bones in each foot?
Correct Answer: Option D — 26
Detailed Academic Explanation:
26 is the correct answer to “how many bones in each foot”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q31 of 40
An average human heart beats about time in a minute?
Correct Answer: Option C — 72 times
Detailed Academic Explanation:
72 times is the correct answer to “An average human heart beats about time in a minute”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q32 of 40
The part of ear that is visible is called _______?
Correct Answer: Option A — both A & B
Detailed Academic Explanation:
The part of ear that is visible is called both A & B .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q33 of 40
An adult have permanent teeth?
Correct Answer: Option D — 32
Detailed Academic Explanation:
32 is the correct answer to “An adult have permanent teeth”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q34 of 40
Parses is a unit used to measure: __________?
Correct Answer: Option C — Distance
Detailed Academic Explanation:
Parses is a unit used to measure: Distance .
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q35 of 40
Who among the following discovered the sunspots?
Correct Answer: Option B — Galileo
Detailed Academic Explanation:
Galileo is the correct answer to “Who among the following discovered the sunspots”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q36 of 40
Which part of the atmosphere are you breathing right now?
Correct Answer: Option C — Troposphere
Detailed Academic Explanation:
Troposphere is the correct answer to “Which part of the atmosphere are you breathing right now”. Items of this type are drawn from the Everyday Science — Mixed Practice — Part 2 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice
Q37 of 40
Our atmosphere consists of__________ CO2?
Correct Answer: Option C — 0.03 to 0.04% CO2
Detailed Academic Explanation:
Our atmosphere consists of 0.03 to 0.04% CO2 CO2.
💡 Key Conceptual Anchor:
Everyday Science — Mixed Practice