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ACT9 Questions
Science Test MCQs
Practice Science Test multiple-choice questions for ACT 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.
35 minutes
40 minutes
50 minutes
60 minutes
ExplanationThe Science Test is allotted 40 minutes.
Only Physics and Chemistry.
Biology, Chemistry, and Earth & Space Sciences.
Only Biology and Environmental Science.
Physics, Biology, and Calculus.
ExplanationThe Science Test measures skills in biology, chemistry, and Earth & space sciences.
Yes, it is required for every student.
No, it is an optional add-on.
Only if you are pursuing a STEM degree.
Yes, but it does not count toward the composite score.
ExplanationThe science section is an optional add-on and does not affect your Composite score.
Biology
Chemistry
Earth & Space Sciences
Computer Science
ExplanationThe science section measures reasoning and problem-solving in biology, chemistry, and Earth & space sciences.
35 questions
40 questions
45 questions
50 questions
ExplanationThe Science Test contains 40 questions.
Biology, chemistry, and Earth & space sciences.
Only physics and biology.
History, social studies, and politics.
Advanced computer science and mathematics.
ExplanationThe Science Test covers interpretation, analysis, and problem-solving in biology, chemistry, and Earth & space sciences.
Yes, for all students.
No, it is an optional add-on.
Only for STEM majors.
Only if you take the Writing test.
ExplanationThe Science section is described as an optional add-on section.
36
40
45
50
ExplanationThe Science Test includes 40 questions.
Memorization of scientific formulas
Interpretation, analysis, reasoning, and problem-solving
Knowledge of laboratory safety procedures
The ability to conduct a new experiment
ExplanationThe science section measures these specific cognitive skills rather than rote memorization.
Frequently Asked Questions
Are these Science Test MCQs free?
Yes. Every Science Test 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 Science Test MCQs help with?
They are aimed at ACT and related Pakistani competitive exams that test Science Test.
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.