OCR A Level Biology A
OCR A Level Biology A Cell Division, Cell Diversity and Cellular Organisation Exam Questions
Free OCR A Level Biology A exam questions on Cell Division, Cell Diversity and Cellular Organisation, with mark schemes. Covers the cell cycle, mitosis, meiosis, stem cells and specialised cells.
Cell Division, Cell Diversity and Cellular Organisation exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
OCR A Level Biology A H420 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About OCR A Level Biology A Cell Division, Cell Diversity and Cellular Organisation
This topic covers how cells divide and specialise.
What you need to know
- Cell cycle Interphase, mitosis and cytokinesis, with checkpoints.
- Mitosis and meiosis Stages and outcomes; meiosis produces genetic variation.
- Specialisation Specialised cells, tissues, organs and organ systems.
- Stem cells Totipotent, pluripotent and multipotent cells and their uses.
Common mistakes in Cell Division, Cell Diversity and Cellular Organisation
- Mixing the stages of mitosis.
- Saying meiosis produces identical cells.
- Confusing tissue and organ.
Try three Cell Division, Cell Diversity and Cellular Organisation exam-style questions
1. State two ways meiosis produces variation. (2 marks)
Show the mark scheme answer
Crossing over (1) and independent assortment (1).
2. Define a stem cell. (1 mark)
Show the mark scheme answer
An undifferentiated cell that can divide and differentiate into specialised cells.
3. Name the stage where chromatids separate. (1 mark)
Show the mark scheme answer
Anaphase.
Cell Division, Cell Diversity and Cellular Organisation FAQs
What does this topic cover?
The cell cycle, mitosis, meiosis, specialisation and stem cells.
Which practical links here?
Root tip squash to observe mitosis.
Where are stem cells found?
Embryos, bone marrow and meristems in plants.
Revise this topic with flashcards: OCR A Level Biology A H420 Flashcards, with mark scheme answers for Anki and Quizlet.
