MCQs

11262 questions found

Practice Questions

Question: A loud explosion is heard, and moments later, the windows of a nearby building shatter. What caused the windows to shatter?

A. The bright light from the explosion

B. The sound of the explosion itself

C. The shockwave (a high-pressure wave of air) created by the explosion ✓

D. The ground shaking

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Jun 25, 2026

Question: A person is found to have blocked arteries. What is a major contributing cause?

A. A buildup of plaque due to high cholesterol and an unhealthy diet ✓

B. A diet low in fat and high in fiber

C. Regular cardiovascular exercise

D. Drinking plenty of water

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Jun 25, 2026

Question: If a society promotes education for all its citizens, including women, what is a likely long-term social effect?

A. The society will become weaker

B. Economic development and social progress will be enhanced ✓

C. There will be fewer jobs available

D. The country's traditions will be lost

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Jun 25, 2026

Question: A person touches a plant and immediately gets an itchy, red rash. The plant was poison ivy. What is the cause of the rash?

A. The plant's color

B. The sharp leaves of the plant

C. An allergic reaction to urushiol, an oil found in the poison ivy plant ✓

D. The person's imagination

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Jun 25, 2026

Question: A city implements a comprehensive recycling program. What is a probable effect?

A. The amount of waste sent to landfills will increase

B. The city will have more litter on the streets

C. The amount of waste sent to landfills will decrease ✓

D. Recycling will have no impact on the environment

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Jun 25, 2026

Question: If a piece of iron is left outside in the rain, it develops rust. What is the cause of the rust?

A. The iron is getting older

B. The iron is drying out

C. A chemical reaction between the iron, water, and oxygen in the air (oxidation) ✓

D. The cold temperature

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Jun 25, 2026

Question: A person stops exercising for several months. What is a likely physical effect?

A. An increase in muscle mass and cardiovascular fitness

B. A decrease in muscle mass and cardiovascular fitness ✓

C. No change in their physical condition

D. They will be able to run faster

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Jun 25, 2026

Question: If a student revises a topic multiple times using different methods (reading, practice questions, teaching a friend), what is the likely effect on their memory?

A. They will forget the topic more quickly

B. The information will be encoded more strongly in their long-term memory ✓

C. They will become confused

D. It will have no effect on their memory

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Jun 25, 2026

Question: A region receives much less rainfall than usual for a year. What is the effect called?

A. A flood

B. A monsoon

C. A drought ✓

D. A blizzard

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Jun 25, 2026

Question: A patient with diabetes takes their insulin shot. What is the intended immediate effect?

A. To increase their blood sugar levels

B. To lower their blood sugar levels to a normal range ✓

C. To cure their diabetes permanently

D. To make them feel more energetic instantly

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Jun 25, 2026

Question: A government invests heavily in education and infrastructure. What is a likely long-term effect on the country?

A. An immediate economic collapse

B. A decrease in literacy rates

C. Improved economic growth and higher living standards ✓

D. An increase in poverty

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Jun 25, 2026

Question: A person tries to lift a very heavy object with poor technique (using their back instead of their legs). What is a likely immediate effect?

A. Increased leg muscle strength

B. No effect at all

C. A back injury or strain ✓

D. Improved posture

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Jun 25, 2026

Question: If the population of bees declines sharply, what is a direct effect on the ecosystem?

A. There will be more flowers

B. The pollination of many plants and crops will be reduced, affecting food production ✓

C. There will be fewer other insects

D. The weather will become colder

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Jun 25, 2026

Question: A person’s blood pressure is consistently high. What is a lifestyle factor that could be a cause?

A. Regular exercise

B. A diet low in salt and fat

C. A diet high in sodium (salt) and processed foods ✓

D. Getting enough sleep

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Jun 25, 2026

Question: A river that was once full of fish now has very few. A new factory has been operating upstream for a year. What is the most logical hypothesis?

A. The fish have migrated to a different river on their own

B. Pollution from the factory may have harmed the fish population ✓

C. People have stopped fishing in that river

D. The fish have evolved to live on land

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Jun 25, 2026

Question: A student who used to be very attentive in class is now frequently seen yawning and struggling to stay awake. What is the most likely cause?

A. The student has suddenly lost interest in all subjects

B. The student is not getting enough sleep ✓

C. The teacher has become more boring

D. The student is drinking too much water

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Jun 25, 2026

Question: A fire starts in a dry forest during a thunderstorm. What is the most probable cause?

A. Spontaneous combustion of wet leaves

B. A lightning strike ✓

C. An animal starting the fire

D. The fire started on its own with no cause

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Jun 25, 2026

Question: If interest rates are significantly increased by the central bank, what is a likely effect on the economy?

A. People and businesses will borrow and spend more money

B. Borrowing becomes more expensive, which can slow down spending and economic growth ✓

C. The price of all goods will decrease

D. The economy will grow faster

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Jun 25, 2026

Question: A person suddenly develops an itchy rash after eating a certain food for the first time. What is the most likely cause?

A. The person is tired

B. The person is experiencing an allergic reaction to the food ✓

C. The weather is too hot

D. The food was not cooked properly

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Jun 25, 2026

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MCQs

Practice Questions

Question: A loud explosion is heard, and moments later, the windows of a nearby building shatter. What caused the windows to shatter?

Question: A person is found to have blocked arteries. What is a major contributing cause?

Question: If a society promotes education for all its citizens, including women, what is a likely long-term social effect?

Question: A person touches a plant and immediately gets an itchy, red rash. The plant was poison ivy. What is the cause of the rash?

Question: A city implements a comprehensive recycling program. What is a probable effect?

Question: If a piece of iron is left outside in the rain, it develops rust. What is the cause of the rust?

Question: A person stops exercising for several months. What is a likely physical effect?

Question: If a student revises a topic multiple times using different methods (reading, practice questions, teaching a friend), what is the likely effect on their memory?

Question: A region receives much less rainfall than usual for a year. What is the effect called?

Question: A patient with diabetes takes their insulin shot. What is the intended immediate effect?

Question: A government invests heavily in education and infrastructure. What is a likely long-term effect on the country?

Question: A person tries to lift a very heavy object with poor technique (using their back instead of their legs). What is a likely immediate effect?

Question: If the population of bees declines sharply, what is a direct effect on the ecosystem?

Question: A person’s blood pressure is consistently high. What is a lifestyle factor that could be a cause?

Question: A river that was once full of fish now has very few. A new factory has been operating upstream for a year. What is the most logical hypothesis?

Question: A student who used to be very attentive in class is now frequently seen yawning and struggling to stay awake. What is the most likely cause?

Question: A fire starts in a dry forest during a thunderstorm. What is the most probable cause?

Question: If interest rates are significantly increased by the central bank, what is a likely effect on the economy?

Question: A person suddenly develops an itchy rash after eating a certain food for the first time. What is the most likely cause?

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