Free Printable WorksheetScienceGrade 7Science CurriculumMS-LS3-2

7.48 Cell Division Mitosis and Meiosis (Qualitative) Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 7 Science worksheet provides structured practice on 7.48 Cell Division Mitosis and Meiosis (Qualitative). Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Cell Division: Mitosis and Meiosis (Qualitative) - Which comparison best distinguishes mitosis from meiosis and their roles? (NGSS MS‑LS3‑2 connections)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 7

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 7.48 Cell Division Mitosis and Meiosis (Qualitative) skill assessments:

Problem 1Difficulty: Mastery

Use the life-cycle flow diagram showing four events: wound healing in a child, formation of sperm cells, fertilization, and embryo growth. Which claim best summarizes the role of cell division across the diagram?

AMitosis supports wound healing and embryo growth, while meiosis forms sperm cells so fertilization can restore the species' chromosome number.

BOnly fertilization matters for chromosome number; cell division does not.

CAll four events depend mainly on meiosis.

DMitosis happens only before birth, while meiosis happens only after birth.

Solution & Explanation:The diagram includes tissue growth and repair, which rely on mitosis, and sperm formation, which relies on meiosis before fertilization restores the full chromosome number.

Problem 2Difficulty: Mastery

Which comparison best predicts what would happen if the roles of mitosis and meiosis were swapped in humans?

ANothing important would change because the two processes are interchangeable.

BGametes would have the same chromosome number as normal, and body cells would still repair correctly.

CBody tissues would produce cells with half the chromosome number, and reproduction would fail because gametes would not form correctly.

DBody tissues would heal faster, and offspring would all be identical.

Solution & Explanation:If body tissues used meiosis, normal repair and growth would fail. If gamete-forming tissues used mitosis, sexual reproduction would also fail.

Problem 3Difficulty: Mastery

A student says, "Meiosis decreases diversity because each gamete gets fewer chromosomes." Which response best evaluates that claim?

AThe claim is incorrect because meiosis doubles chromosome number in gametes.

BThe claim is correct because meiosis makes all gametes identical.

CThe claim is correct because fewer chromosomes always means less variation.

DThe claim is incorrect because meiosis can place different combinations of chromosomes into gametes even though each gamete has fewer chromosomes.

Solution & Explanation:Having fewer chromosomes per gamete does not reduce diversity by itself. What matters is that meiosis creates different chromosome combinations.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 7 Science students. It aligns with educational standard MS-LS3-2 (Primary standard selected for prompt fields in this prompt cell: NGSS MS-LS3-2. Skill statement in this prompt cell: Which comparison best distinguishes mitosis from meiosis and their roles? Associated standards listed with this skill in this prompt cell: NGSS MS-LS3-2 connections. Use this prompt-provided wording as the supporting standard description for this workflow.).