Sexual reproduction in mammals

Sexual reproduction in mammals Quiz

Spec 2.4 · Edexcel A-Level Biology B: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. Which structure of a sperm supplies the ATP for swimming?

    • A. Acrosome
    • B. Midpiece
    • C. Head
    • D. Cortical granule

  2. 2. At which stage is the oocyte arrested at birth?

    • A. Prophase I
    • B. Metaphase II
    • C. Anaphase I
    • D. Telophase II

  3. 3. What is the role of the cortical reaction?

    • A. To digest the zona pellucida
    • B. To prevent more than one sperm fertilising the egg
    • C. To complete meiosis I
    • D. To form the blastocyst cavity

  4. 4. What happens to cell size during cleavage?

    • A. Cells grow larger between divisions
    • B. Cells get smaller because there is no growth between divisions
    • C. Cells stay the same size
    • D. Cells fuse to form larger cells

  5. 5. A sperm lacks a functioning acrosome. Why would it fail to fertilise an egg in vitro?

    • A. It would be unable to produce ATP
    • B. It would not be able to digest the zona pellucida to reach the egg membrane
    • C. It would be diploid
    • D. It would not be able to fuse its nucleus

Quiz