Practice Questions

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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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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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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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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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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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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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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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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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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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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