alleryWhich phase includes cell growth and DNA replication before division?
- Interphase
- Prophase
- Cytokinesis
- Telophase
Show answer and solution
Correct answer: A. Interphase
Interphase is the preparatory period in which the cell grows and duplicates DNA.
ICSE Class 10 Cell Biology: Cell Division & Chromosomes — practice questions
Explore 120 free Cell Biology: Cell Division & Chromosomes questions in ICSE Class 10 Biology. Open each question or exercise to read its content, reference answers and available explanation.
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Which phase includes cell growth and DNA replication before division?Read the answer and worked solution →DNA is duplicated during which cell-cycle phase?Read the answer and worked solution →What follows the S phase before mitosis begins?Read the answer and worked solution →In the M phase, what does mitosis divide?Read the answer and worked solution →Which process divides the cytoplasm into daughter cells?Read the answer and worked solution →A cell temporarily stops dividing and leaves the cycle. Which state is this?Read the answer and worked solution →What normally happens to chromosome number during S phase?Read the answer and worked solution →What is a key event in G1 phase?Read the answer and worked solution →What is the main role of the G2 checkpoint?Read the answer and worked solution →In which phase do replicated chromosomes separate into two nuclei?Read the answer and worked solution →A cell has finished division. What phase begins in each daughter cell?Read the answer and worked solution →Mitosis yields daughter cells that are genetically what?Read the answer and worked solution →Before mitosis, when are chromosomes duplicated?Read the answer and worked solution →What separates during mitosis to opposite sides of a cell?Read the answer and worked solution →At which mitotic stage do chromosomes align at the cell equator?Read the answer and worked solution →During which stage are sister chromatids pulled apart?Read the answer and worked solution →What forms around each chromosome set in telophase?Read the answer and worked solution →What occurs to chromatin at the start of prophase?Read the answer and worked solution →When does the nuclear envelope break down in open mitosis?Read the answer and worked solution →A plant cell completes cytokinesis by forming what between nuclei?Read the answer and worked solution →An animal cell begins cytokinesis when its membrane does what?Read the answer and worked solution →What is the main outcome of mitosis with cytokinesis?Read the answer and worked solution →Which kind of cells use meiosis to make sperm or egg cells?Read the answer and worked solution →How many rounds of division occur in meiosis?Read the answer and worked solution →A typical meiosis outcome contains how many daughter cells?Read the answer and worked solution →How does chromosome number in meiotic daughter cells compare with the parent?Read the answer and worked solution →What is the chromosome condition of cells with one set of chromosomes?Read the answer and worked solution →What chromosome condition does a fertilized zygote regain?Read the answer and worked solution →Which event creates new combinations of chromosome material in meiosis?Read the answer and worked solution →When do homologous chromosomes pair and exchange information?Read the answer and worked solution →
Worked practice questions
DNA is duplicated during which cell-cycle phase?
- S phase
- G2 phase
- M phase
- G1 phase
Show answer and solution
Correct answer: A. S phase
DNA synthesis and chromosome replication occur in S phase.
What follows the S phase before mitosis begins?
- G2 phase
- Cytokinesis
- G1 phase
- G0 phase
Show answer and solution
Correct answer: A. G2 phase
G2 follows DNA replication and prepares the cell for mitosis.
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