Practice D2.1 Cell and nuclear division with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Which statement describes why DNA must replicate before mitosis or meiosis?
A dividing cell produces one large daughter cell and one much smaller one, both containing DNA and mitochondria. What conclusion is most valid?
What feature is shared by both mitosis and meiosis?
Which of the following best explains how meiosis can contribute to both disease and genetic variation?
A cell divides and produces four genetically different haploid nuclei. Which of the following best explains this?
A student views a micrograph and sees chromosomes condensed and aligned in the middle of the cell. What can they not conclude from this alone?
In human oogenesis, cytokinesis is unequal. What is the most likely functional reason for this?
A cell in prophase would show which of the following features?
What is the result of mitosis?
Nondisjunction occurs during meiosis I. What is the likely chromosomal outcome?
Practice D2.1 Cell and nuclear division with authentic IB Biology exam questions for both SL and HL students. This question bank mirrors Paper 1A, 1B, 2 structure, covering key topics like cell biology, genetics, and ecology. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Which statement describes why DNA must replicate before mitosis or meiosis?
A dividing cell produces one large daughter cell and one much smaller one, both containing DNA and mitochondria. What conclusion is most valid?
What feature is shared by both mitosis and meiosis?
Which of the following best explains how meiosis can contribute to both disease and genetic variation?
A cell divides and produces four genetically different haploid nuclei. Which of the following best explains this?
A student views a micrograph and sees chromosomes condensed and aligned in the middle of the cell. What can they not conclude from this alone?
In human oogenesis, cytokinesis is unequal. What is the most likely functional reason for this?
A cell in prophase would show which of the following features?
What is the result of mitosis?
Nondisjunction occurs during meiosis I. What is the likely chromosomal outcome?