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CSS - PMS - CCE - PCS - General Science Practice

Human Organs – Major Organs, Functions, Systems & Important Facts MCQs

Study the major organs of the human body, their locations, functions and related organ systems. This topic covers the heart, brain, lungs, liver, kidneys, stomach, intestines, pancreas, spleen, skin and other important organs. Specially prepared for CSS, PMS, CCE, PCS, FPSC, PPSC and General Science competitive exams with exam-focused facts and MCQs.

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Human Organs – Major Organs, Functions, Systems & Important Facts

Human Organs – Major Organs, Functions, Systems & Important Facts MCQs With Answers

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CSS - PMS - CCE - PCS - General Science Organs
Which organ stores bile?
A. Liver
B. Gallbladder
C. Pancreas
D. Stomach
Read Theory
Correct Answer: B
Bile is produced by the liver and stored and concentrated in the gallbladder.
CSS - PMS - CCE - PCS - General Science Organs
Which organs filter blood and produce urine?
A. Lungs
B. Kidneys
C. Adrenal glands
D. Thyroid glands
Read Theory
Correct Answer: B
The kidneys filter blood, remove wastes, regulate fluid balance, and produce urine.
CSS - PMS - CCE - PCS - General Science Organs
Which organ is primarily responsible for gas exchange?
A. Kidney
B. Lungs
C. Pancreas
D. Spleen
Read Theory
Correct Answer: B
Gas exchange of oxygen and carbon dioxide occurs mainly in the alveoli of the lungs.
CSS - PMS - CCE - PCS - General Science Organs
Which organ pumps blood throughout the body?
A. Liver
B. Heart
C. Lung
D. Spleen
Read Theory
Correct Answer: B
The heart pumps blood through the circulatory system.
CSS - PMS - CCE - PCS - General Science Organs
Which is the largest internal organ in the human body?
A. Brain
B. Liver
C. Lung
D. Kidney
Read Theory
Correct Answer: B
The liver is the largest internal solid organ in the human body.
CSS - PMS - CCE - PCS - General Science Organs
Which is the largest organ of the human body?
A. Liver
B. Skin
C. Lung
D. Brain
Read Theory
Correct Answer: B
The skin is the body's largest organ and forms the main protective barrier.
CSS - PMS - CCE - PCS - General Science Organs
Which organ is considered the control center of the human body?
A. Heart
B. Brain
C. Liver
D. Kidney
Read Theory
Correct Answer: B
The brain controls and coordinates most body functions through the nervous system.
CSS - PMS - CCE - PCS - General Science Organs
The largest organ of the human body is:
A. Heart
B. Skin
C. Brain
D. Liver
Read Theory
Correct Answer: B
B: Correct because skin is the largest organ by surface area and mass. A: Wrong because the heart is muscular pump. C: Wrong because brain is control center but not largest organ. D: Wrong because liver is large internal organ but smaller than skin.
CSS - PMS - CCE - PCS - General Science Organs
Which organ purifies blood by filtering waste and producing urine?
A. Heart
B. Liver
C. Kidney
D. Lungs
Read Theory
Correct Answer: C
C: Correct because kidneys filter blood and remove waste through urine. A: Wrong because the heart pumps blood. B: Wrong because the liver performs metabolism and detoxification but does not make urine. D: Wrong because lungs exchange gases.
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