Human Health & Nutrition — Part 1: 40 MCQs with Explanations
40 exam-level human health & nutrition MCQs with answers and explanations for PPSC, FPSC, NTS preparation.
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Last updated: Oct 13, 2026
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Q1 of 40
Parkinson is a disease of____________?
Correct Answer: Option A — Brain
Detailed Academic Explanation:
Parkinson is a disease of Brain .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q2 of 40
Deficiency of vitamin E in the human body causes __________?
Correct Answer: Option A — Muscle weakness and vision problem
Detailed Academic Explanation:
Deficiency of vitamin E in the human body causes Muscle weakness and vision problem .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q3 of 40
Deficiency of vitamin “D” in human body can causes____?
Correct Answer: Option A — osteoporosis and fractures
Detailed Academic Explanation:
Deficiency of vitamin “D” in human body can causes osteoporosis and fractures .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q4 of 40
There are almost _______of nephrons in the each kidney in human body?
Correct Answer: Option A — 1 million
Detailed Academic Explanation:
There are almost 1 million of nephrons in the each kidney in human body.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q5 of 40
Which of the following is the strongest & longest bone of human body?
Correct Answer: Option C — Femur
Detailed Academic Explanation:
Femur is the correct answer to “Which of the following is the strongest & longest bone of human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q6 of 40
Which of the following is the largest gland of the Human body _________?
Correct Answer: Option A — Liver
Detailed Academic Explanation:
Which of the following is the largest gland of the Human body Liver .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q7 of 40
Water soluble Vitamins are _________?
Correct Answer: Option C — B & C vitamins
Detailed Academic Explanation:
Water soluble Vitamins are B & C vitamins .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q8 of 40
Vitamins A,D,E & _______ are fat soluble.
Correct Answer: Option C — Vitamin K
Detailed Academic Explanation:
Vitamins A,D,E & Vitamin K are fat soluble.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q9 of 40
Which of the following is not a Fat-soluble vitamin?
Correct Answer: Option B — Vitamin B
Detailed Academic Explanation:
Vitamin B is the correct answer to “Which of the following is not a Fat-soluble vitamin”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q10 of 40
The percentage of blood cells in the Blood of human body is _________?
Correct Answer: Option A — 45%
Detailed Academic Explanation:
The percentage of blood cells in the Blood of human body is 45% .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q11 of 40
The percentage of plasma in human Blood is _________?
Correct Answer: Option C — 55%
Detailed Academic Explanation:
The percentage of plasma in human Blood is 55% .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q12 of 40
Despite the fluctuation in human body temperature. The temperature of human body remains at _________?
Correct Answer: Option B — 37 °C
Detailed Academic Explanation:
Despite the fluctuation in human body temperature. The temperature of human body remains at 37 °C .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q13 of 40
Which of the following is a rich source of Vitamin B-12?
Correct Answer: Option D — Milk
Detailed Academic Explanation:
Milk is the correct answer to “Which of the following is a rich source of Vitamin B-12”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q14 of 40
Which element has the second most % in human body?
Correct Answer: Option D — Carbon 18%
Detailed Academic Explanation:
Carbon 18% is the correct answer to “Which element has the second most % in human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q15 of 40
Which element has the most % in human body?
Correct Answer: Option D — Oxygen 65%
Detailed Academic Explanation:
Oxygen 65% is the correct answer to “Which element has the most % in human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q16 of 40
Which element has the third most % in human body?
Correct Answer: Option C — Hydrogen 10%
Detailed Academic Explanation:
Hydrogen 10% is the correct answer to “Which element has the third most % in human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q17 of 40
JAUNDICE is the disease of __________?
Correct Answer: Option A — Liver
Detailed Academic Explanation:
JAUNDICE is the disease of Liver .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q18 of 40
Water soluble vitamins are released by__________?
Correct Answer: Option A — Urine
Detailed Academic Explanation:
Water soluble vitamins are released by Urine .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q19 of 40
Chili contain which vitamin?
Correct Answer: Option C — Vitamin C
Detailed Academic Explanation:
Vitamin C is the correct answer to “Chili contain which vitamin”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q20 of 40
The blood pressure is denoted as following?
Correct Answer: Option D — Systolic Pressure / Diastolic Pressure
Detailed Academic Explanation:
Systolic Pressure / Diastolic Pressure is the correct answer to “The blood pressure is denoted as following”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q21 of 40
pH value of Blood or Red Blood Cells?
Correct Answer: Option A — 7.35-7.45
Detailed Academic Explanation:
7.35-7.45 is the correct answer to “pH value of Blood or Red Blood Cells”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q22 of 40
Which of the following Vitamin is required for Normal Blood Circulation?
Correct Answer: Option B — Vitamin K
Detailed Academic Explanation:
Vitamin K is the correct answer to “Which of the following Vitamin is required for Normal Blood Circulation”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q23 of 40
Which of the Following Hormones Regulate Blood Sodium and Potassium Levels in the Body?
Correct Answer: Option C — Aldosterone
Detailed Academic Explanation:
Aldosterone is the correct answer to “Which of the Following Hormones Regulate Blood Sodium and Potassium Levels in the Body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q24 of 40
Calcium level in the blood is regulated by the: ___________?
Correct Answer: Option A — A and B
Detailed Academic Explanation:
Calcium level in the blood is regulated by the: A and B .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q25 of 40
What is the largest cell in the human body?
Correct Answer: Option B — Ovum
Detailed Academic Explanation:
Ovum is the correct answer to “What is the largest cell in the human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q26 of 40
Cataract is a disease of ________?
Correct Answer: Option C — Eyes
Detailed Academic Explanation:
Cataract is a disease of Eyes .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q27 of 40
Proteins are made up of _________?
Correct Answer: Option C — Polypeptide
Detailed Academic Explanation:
Proteins are made up of Polypeptide .
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q28 of 40
__________ Protect us from diseases?
Correct Answer: Option B — Vitamins
Detailed Academic Explanation:
Vitamins Protect us from diseases.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q29 of 40
All the bones of the body make a frame called?
Correct Answer: Option A — Skelton
Detailed Academic Explanation:
Skelton is the correct answer to “All the bones of the body make a frame called”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q30 of 40
How many muscles in human body?
Correct Answer: Option A — 639
Detailed Academic Explanation:
639 is the correct answer to “How many muscles in human body”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q31 of 40
______ are the Breathing center of the body?
Correct Answer: Option B — Lungs
Detailed Academic Explanation:
Lungs are the Breathing center of the body.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q32 of 40
Which part of the human body contains the most gold?
Correct Answer: Option C — Toenails
Detailed Academic Explanation:
Toenails is the correct answer to “Which part of the human body contains the most gold”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q33 of 40
Leprosy is the oldest disease in the world caused by which microorganism?
Correct Answer: Option B — Bacteria
Detailed Academic Explanation:
Bacteria is the correct answer to “Leprosy is the oldest disease in the world caused by which microorganism”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q34 of 40
Which of the following vitamin is known as folate?
Correct Answer: Option D — B-9
Detailed Academic Explanation:
B-9 is the correct answer to “Which of the following vitamin is known as folate”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q35 of 40
Which of the following vitamin is known as Pyridoxine?
Correct Answer: Option D — Vitamin B-6
Detailed Academic Explanation:
Vitamin B-6 is the correct answer to “Which of the following vitamin is known as Pyridoxine”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q36 of 40
Which of the following vitamin is known as Riboflavin?
Correct Answer: Option B — vitamin B-2
Detailed Academic Explanation:
vitamin B-2 is the correct answer to “Which of the following vitamin is known as Riboflavin”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q37 of 40
When WBCs greatly increased in number, they cause a disease called?
Correct Answer: Option C — Leukaemia
Detailed Academic Explanation:
Leukaemia is the correct answer to “When WBCs greatly increased in number, they cause a disease called”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q38 of 40
Which of the following vitamin is known as Pantothenic acid?
Correct Answer: Option D — vitamin B-5
Detailed Academic Explanation:
vitamin B-5 is the correct answer to “Which of the following vitamin is known as Pantothenic acid”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q39 of 40
Which of the following vitamin is known as Biotin?
Correct Answer: Option A — vitamin B-7
Detailed Academic Explanation:
vitamin B-7 is the correct answer to “Which of the following vitamin is known as Biotin”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
Q40 of 40
Saliva helps in the digestion of?
Correct Answer: Option A — Starch
Detailed Academic Explanation:
Starch is the correct answer to “Saliva helps in the digestion of”. Items of this type are drawn from the Human Health & Nutrition — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Human Health & Nutrition
💡 How to Use These MCQs
Self-Assessment: Test your current knowledge level before studying.
Learning Aid: Read explanations carefully to understand concepts, not just memorize answers.
Revision Tool: Review these questions periodically before exams.
Time Management: Practice answering within time limits to improve speed.