ACT 2026 Practice Test Science Hypotheses and Predictions Free Quiz 1

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ACT 2026 Practice Test Science Hypotheses and Predictions Free Quiz 1

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ACT 2026 Practice Test Science Hypotheses and Predictions Free Quiz 1

Practice ACT 2026 Practice Test Science MCQs from Hypotheses and Predictions. Get instant results with Explanation.

General5 MCQs

1. If a student hypothesizes that temperature affects plant growth, what is a logical prediction?

A. Plants will grow faster at higher temperatures.B. Plants will grow slower at higher temperatures.C. Temperature will have no effect on growth.D. Plant growth will fluctuate with temperature.

2. A student hypothesizes that fertilizer increases plant growth. What prediction would be made?

A. The experimental group will grow less.B. The experimental group will grow the same as the control.C. The experimental group will grow more.D. The experimental group will grow less than the control.

3. Which of the following is a testable hypothesis?

A. Light is not necessary for photosynthesis.B. Light is necessary for photosynthesis.C. Light has no effect on photosynthesis.D. Plants can photosynthesize in the dark.

4. A scientist hypothesizes that substrate concentration affects reaction rate. What is a prediction?

A. Increasing substrate concentration will have no effect.B. Increasing substrate concentration will decrease the rate.C. Increasing substrate concentration will have no effect.D. Increasing substrate concentration will increase the rate.

5. What is a hypothesis?

A. Testable and specificB. A question about the natural worldC. An observationD. A conclusion based on data

General5 MCQs

6. A student hypothesizes that light is necessary for chlorophyll production. What prediction can be made?

A. Both plants will have green leaves.B. The plant in the dark will have green leaves.C. The plant in the dark will have yellow leaves.D. Both plants will have yellow leaves.

7. Which of the following is an "if-then" statement?

A. A hypothesisB. A predictionC. A conclusionD. An observation

8. A student hypothesizes that salt concentration affects osmosis in potatoes. What is a prediction?

A. The mass of the potato will increase.B. The mass of the potato will stay the same.C. The mass of the potato will be independent of salt.D. The mass of the potato will decrease more with higher salt concentrations.

9. A researcher hypothesizes that a new drug reduces symptoms of a disease. What is a logical prediction?

A. The treated group will have fewer symptoms than the control group.B. The treated group will have the same symptoms as the control group.C. The treated group will have more symptoms.D. The treatment will have no effect.

10. A scientist hypothesizes that exercise improves memory. What is a prediction?

A. The exercise group will perform worse.B. The exercise group will perform the same.C. The exercise group will perform better.D. The exercise group will have no effect.

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Conducting Body: ACT Education Corp

Frequency: 7-8 Times per Year | Time: 165 Minutes

Negative Marking: No

⚡ Test Pattern (Total: 171 MCQs):

English: 50 MCQs
Math: 45 MCQs
Reading: 36 MCQs
Science: 40 MCQs

Merit Formula: Merit_calculation = University/College Specific Weightage = Not Fixed Score_range = 1–36

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