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Ministry of Education of the People's Republic of China18 Questions

Comprehensive Science MCQs

Practice Comprehensive Science multiple-choice questions for Ministry of Education of the People's Republic of China competitive exams. Each question includes the correct answer and a short explanation, and past-paper questions are marked so you can revise both repeated and fresh material in one place.

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Proton
Neutron
Electron
Positron
ExplanationElectrons are negatively charged subatomic particles that orbit the nucleus of an atom.
Gd
Au
Ag
Fe
ExplanationAu is derived from the Latin word for gold, 'aurum'.
Heart
Lungs
Kidneys
Stomach
ExplanationThe kidneys play a vital role in filtering waste products from the blood.
300,000 km/s
150,000 km/s
3,000 km/s
30,000 km/s
ExplanationThe speed of light is approximately 299,792,458 meters per second.
Newton's First Law
Newton's Second Law
Newton's Third Law
Hooke's Law
ExplanationNewton's Third Law defines the nature of action-reaction pairs.
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
ExplanationNitrogen makes up about 78% of Earth's atmosphere.
Nucleus
Ribosome
Mitochondria
Golgi Apparatus
ExplanationMitochondria generate most of the cell's supply of adenosine triphosphate (ATP).
0
7
10
14
ExplanationA pH of 7 is the baseline for neutral solutions like pure water.
Newton's Law
Boyle's Law
Ohm's Law
Kepler's Law
ExplanationBoyle's Law states that pressure is inversely proportional to volume for a gas at constant temperature.
Proton
Neutron
Electron
Nucleus
ExplanationElectrons carry a negative electrical charge, while protons are positive and neutrons are neutral.
Heart
Liver
Kidney
Lungs
ExplanationThe kidneys are primarily responsible for filtering waste products from the blood and excreting them as urine.
300,000 km/s
150,000 km/s
1,000 km/s
3,000,000 km/s
ExplanationThe speed of light in a vacuum is approximately 299,792 kilometers per second, often rounded to 300,000 km/s.
Newton's First Law
Newton's Second Law
Newton's Third Law
Law of Gravity
ExplanationNewton's Third Law states that for every action, there is an equal and opposite reaction.
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
ExplanationNitrogen makes up approximately 78% of the Earth's atmosphere.
Nucleus
Ribosome
Mitochondria
Golgi apparatus
ExplanationMitochondria are known as the powerhouses of the cell because they generate most of the cell's ATP.
0
7
14
1
ExplanationA pH of 7 represents a neutral solution, such as pure water.
Boyle's Law
Charles's Law
Ideal Gas Law
Dalton's Law
ExplanationBoyle's Law states that for a fixed amount of gas at a constant temperature, pressure and volume are inversely related.
Respiration
Photosynthesis
Fermentation
Transpiration
ExplanationPlants use photosynthesis to transform sunlight, water, and CO2 into food (glucose) and oxygen.

Frequently Asked Questions

Are these Comprehensive Science MCQs free?

Yes. Every Comprehensive Science MCQ on this page is free to practice, including the correct answer and explanation.

Do these include past-paper questions?

Yes — questions sourced from past papers are clearly marked with a "Past Paper" badge, alongside fresh practice questions.

Which exams do these Comprehensive Science MCQs help with?

They are aimed at Ministry of Education of the People's Republic of China and related Pakistani competitive exams that test Comprehensive Science.

How should I practice subject-wise MCQs?

Attempt each question first, then reveal the answer and read the explanation. Short, focused sessions on one subject work better than long unstructured reading.

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