Sinh học MCAS — Practice Tests & Mock Exams

Tế bào, di truyền học, sinh thái, tiến hóa và các hệ cơ thể. Chuẩn theo Khung Chương trình Massachusetts cho Sinh học bậc trung học.

Semester A

50 questions · 180 min · 80% to pass

Free Practice (10)
Semester B

50 questions · 180 min · 80% to pass

Free Practice (10)
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Don't wait until exam week to practice

Cramming right before the test feels productive but hides your real gaps. A full-length mock now diagnoses which Massachusetts categories you're weakest in — so you can focus your study only where it counts. Learning science is clear: retrieval practice and spaced study beat last-minute cramming. Starting earlier is the higher-scoring path.

Learn the Concepts

Visual lessons that build Sinh học from first principles — diagrams, worked examples, embedded practice.

Concept Lesson · 10 min· Massachusetts 4A,5A,6A,7A,12A
Sinh Học — Khái Niệm Cốt Lõi

Sinh học tế bào, di truyền, tiến hóa, hệ sinh thái — tất cả trong một trang.

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Concept Lesson · 9 min· Massachusetts 4A,4B,5D
Cell Structure & Organelles: A Tour Inside the Cell

Every New York Biology Regents has at least one organelle-identification question. Master the eight structures every cell biology question is built around — what each one looks like, what it does, and how plant cells differ from animal cells.

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Concept Lesson · 8 min· Massachusetts 4B,5D
Cell Membrane & Transport: How Things Get In and Out

The cell membrane is the boundary that decides what enters and leaves. Master the phospholipid bilayer, transport proteins, osmosis, diffusion, and active transport in one focused lesson.

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Concept Lesson · 9 min· Massachusetts 5B,5C
Cell Cycle & Mitosis: How One Cell Becomes Two

The Regents tests both the cell cycle macro-phases (G1/S/G2/M) and the mitosis substages (Prophase, Metaphase, Anaphase, Telophase). Master both levels and how they connect.

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Concept Lesson · 8 min· Massachusetts 6A,6B
Mitosis vs Meiosis: Two Divisions, Two Outcomes

Mitosis and meiosis sound similar but serve completely different purposes. Master the four key differences (cell count, ploidy, purpose, genetic identity) and you'll never miss a comparison question.

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Concept Lesson · 9 min· Massachusetts 6B,6C,6D
DNA Structure & Replication: The Code of Life and How It Copies Itself

Three things every Regents asks: the four bases (A, T, G, C) and how they pair, the double helix structure, and semi-conservative replication. Plus the four enzymes that make replication work.

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What's on the Sinh học MCAS

Every Massachusetts standard the official exam covers — and the exact topics our practice questions target.

SEMESTER AMassachusetts 1A–8C
  • 1A-3FScience Processes and Methods
  • 4A-5DCells
  • 7A-7FNatural Selection
  • 8A-8CTaxonomy
  • 1L-4LLaboratory Skills & Required Labs
SEMESTER BMassachusetts 6A–12F
  • 11A-12FEcology
  • 6A-6HDNA and the Genetic Code
  • 9A-9DBiomolecules
  • 10A-10CBiological Systems
  • 13A-13DHomeostasis & Feedback

Sinh học MCAS — Common Questions

What topics are on the Biology MCAS?

The Biology MCAS covers cell structure and function, mechanisms of genetics, biological evolution and classification, biological processes and systems, and interdependence within environmental systems. Each Massachusetts reporting category is sampled across Semester A and B mock exams.

How hard is the Biology MCAS?

Expect a mix of factual recall (cell organelles, DNA replication steps, classification levels) and applied reasoning (interpreting graphs, predicting genetic outcomes, analyzing ecosystems). Lab-based experimental design questions are common. Students hitting 80%+ on our mocks typically do well on their first attempt.

How long is the Biology MCAS?

The exam runs about 3 hours with roughly 55–60 questions. Our mock exams match this length and include the same diagram-heavy and graph-interpretation style so your pacing practice is accurate.

Do I need to memorize all the cell organelles?

Yes — and their functions. The MCAS tests cell structure recurrently. Our practice questions emphasize this: organelle identification from electron micrographs, function matching, and contrasting prokaryotic vs. eukaryotic features.

Is there a lab component to the Biology MCAS?

No physical lab, but expect questions about experimental design — controls, variables, hypothesis testing, and interpreting lab data. About 15–20% of questions reward strong scientific method understanding.

How is the Biology MCAS scored?

MCAS reports four performance levels — Not Meeting, Partially Meeting, Meeting, and Exceeding Expectations — rather than a single passing percentage; aim for Meeting Expectations or higher. We recommend 85%+ on practice mocks because the genetics and ecology questions can spike in difficulty depending on which Massachusetts standards your specific exam draws from.