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Life Science (Grade 7) Midterm — Quick Check, Units 1–3

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Science Grade 7 10 multiple choice

Free printable Life Science midterm (Grade 7): 10 multiple-choice questions covering Cells, Genetics & Heredity, Evolution & Adaptation. Answer key included — customize it in the Midterm Maker.

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Life Science (Grade 7) Midterm — Quick Check, Units 1–3
Name: Date: Period:

Directions: Read each question carefully and choose the best answer.

Covers: Cells · Genetics & Heredity · Evolution & Adaptation

Part 1: Multiple Choice

  1. In which organelle does photosynthesis take place?
    1. A. Mitochondrion
    2. B. Chloroplast
    3. C. Lysosome
    4. D. Ribosome
  2. Which statement is part of the cell theory?
    1. A. Cells can form from nonliving matter
    2. B. All cells contain chloroplasts
    3. C. All living things are made of one or more cells
    4. D. All organisms are made of many cells
  3. What is the basic unit of structure and function in all living things?
    1. A. The cell
    2. B. The organ
    3. C. The atom
    4. D. The tissue
  4. What are different forms of the same gene called?
    1. A. Chromosomes
    2. B. Proteins
    3. C. Phenotypes
    4. D. Alleles
  5. Which scientist is known as the father of genetics for his work with pea plants?
    1. A. Charles Darwin
    2. B. Louis Pasteur
    3. C. Robert Hooke
    4. D. Gregor Mendel
  6. How many chromosomes are in a typical human body cell?
    1. A. 23
    2. B. 92
    3. C. 48
    4. D. 46
  7. What is a mutation?
    1. A. A new species forming overnight
    2. B. A trait learned during life
    3. C. A change in an organism's DNA
    4. D. A type of cell division
  8. A human arm, a whale flipper, and a bat wing have similar bones but different uses. What are these called?
    1. A. Vestigial structures
    2. B. Analogous structures
    3. C. Homologous structures
    4. D. Learned behaviors
  9. Why did dark peppered moths become more common near polluted English cities in the 1800s?
    1. A. Light moths moved to the countryside
    2. B. Pollution dyed the light moths dark
    3. C. They were harder for birds to see on soot-darkened trees
    4. D. Moths chose to change their color
  10. What do fossils provide evidence of?
    1. A. How organisms choose their traits
    2. B. Weather patterns from last year
    3. C. The exact age of every living species
    4. D. Organisms that lived long ago and how life changed