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    science
    Grade-10
    Easy

    Question

    DNA makes a copy of itself in_________.

    1. Prophase
    2. Anaphase
    3. Interphase
    4. Telophase

    Hint:

    This phase is also called S phase.

    The correct answer is: Interphase

      • Cell cycle consists of S phase and M phase, with gap phases in between
      • S phase is also called interphase
      • During S phase, the genetic material or DNA replicates, making a copy of itself
      • The number of chromosomes is doubled during interphase
      • Following S phase, the mitosis occurs, where the cell divides and the chromosomes are split between the two daughter cells produced

      Related Questions to study

      Grade-10
      science

      What change occurs to the number of chromosomes in mitosis?

      1. Number of chromosomes is doubled
      2. Number of chromosomes is decreased to half.
      3. Number of chromosomes remain unaffected.
      4. No split of chromosomes.

      What change occurs to the number of chromosomes in mitosis?

      scienceGrade-10
      1. Number of chromosomes is doubled
      2. Number of chromosomes is decreased to half.
      3. Number of chromosomes remain unaffected.
      4. No split of chromosomes.
      Grade-10
      science

      If mitotic division is confined to G1 phase of cell, the situation is called as____.

      1. G0 stage
      2. M stage
      3. G1 stage
      4. S stage

      If mitotic division is confined to G1 phase of cell, the situation is called as____.

      scienceGrade-10
      1. G0 stage
      2. M stage
      3. G1 stage
      4. S stage
      Grade-10
      science

      In which of the following stage of mitosis chromosomes divide and move towards poles?

      1. Anaphase
      2. Telophase
      3. Metaphase
      4. Prophase

      In which of the following stage of mitosis chromosomes divide and move towards poles?

      scienceGrade-10
      1. Anaphase
      2. Telophase
      3. Metaphase
      4. Prophase
      parallel
      Grade-10
      science

      Select the correct sequence of cell cycle.

      1. G1, G2, S, M
      2. G2, M, S, G1
      3. M, G1, G2, S
      4. G1, S, G2, M

      Select the correct sequence of cell cycle.

      scienceGrade-10
      1. G1, G2, S, M
      2. G2, M, S, G1
      3. M, G1, G2, S
      4. G1, S, G2, M
      Grade-10
      science

      The given diagram is of __________.

      1. Cell Cycle
      2. Cell division
      3. Mitosis
      4. Synthesis phase

      The given diagram is of __________.

      scienceGrade-10
      1. Cell Cycle
      2. Cell division
      3. Mitosis
      4. Synthesis phase
      Grade-10
      science

      Which of the following statement is correct about cell size?

      1. Majority of cells are less than 100 micrometers.
      2. Majority of cells are more than 100 micrometers.
      3. Majority of cells are less than 600 micrometers
      4. None of these

      Which of the following statement is correct about cell size?

      scienceGrade-10
      1. Majority of cells are less than 100 micrometers.
      2. Majority of cells are more than 100 micrometers.
      3. Majority of cells are less than 600 micrometers
      4. None of these
      parallel
      Grade-10
      science

      At the end of mitosis____________.

      1. Many divisions of nucleus takes place.
      2. Cleavage of cytoplasm occurs.
      3. Nuclear and cytoplasmic separation occurs.
      4. Formation of a paternal nucleus take place.

      At the end of mitosis____________.

      scienceGrade-10
      1. Many divisions of nucleus takes place.
      2. Cleavage of cytoplasm occurs.
      3. Nuclear and cytoplasmic separation occurs.
      4. Formation of a paternal nucleus take place.
      Grade-10
      science

      What does ‘S’ represent in the diagram?

      1. Synthesis of organelle
      2. Synthesis of DNA
      3. Synthesis of plasma membrane
      4. None of these

      What does ‘S’ represent in the diagram?

      scienceGrade-10
      1. Synthesis of organelle
      2. Synthesis of DNA
      3. Synthesis of plasma membrane
      4. None of these
      Grade-10
      science

      In mitosis, the copy of chromosomes appears during

      1. Early prophase
      2. Late prophase
      3. Interphase
      4. Late telophase

      In mitosis, the copy of chromosomes appears during

      scienceGrade-10
      1. Early prophase
      2. Late prophase
      3. Interphase
      4. Late telophase
      parallel
      Grade-10
      science

      In ______ process of mitosis can be studied.

      1. Anther
      2. Stigma
      3. Root tip.
      4. All of these

      In ______ process of mitosis can be studied.

      scienceGrade-10
      1. Anther
      2. Stigma
      3. Root tip.
      4. All of these
      Grade-10
      science

      Which of the following statement is correct?

      1. Ratio of surface area to volume controls the cell size.
      2. Ratio of length to height controls the cell size.
      3. Ratio of surface area to size controls the cell size.
      4. None of these

      Which of the following statement is correct?

      scienceGrade-10
      1. Ratio of surface area to volume controls the cell size.
      2. Ratio of length to height controls the cell size.
      3. Ratio of surface area to size controls the cell size.
      4. None of these
      Grade-10
      science

      ________are repetitive stretches of DNA present at the ends of linear chromosomes.

      1. Pores
      2. Hexomere
      3. Telomeres  
      4. Monomers

      ________are repetitive stretches of DNA present at the ends of linear chromosomes.

      scienceGrade-10
      1. Pores
      2. Hexomere
      3. Telomeres  
      4. Monomers
      parallel
      Grade-10
      science

      Which phase of mitosis is shown in the picture given below?

      1. Prophase
      2. Anaphase
      3. Metaphase
      4. Telophase

      Which phase of mitosis is shown in the picture given below?

      scienceGrade-10
      1. Prophase
      2. Anaphase
      3. Metaphase
      4. Telophase
      Grade-10
      science

      Membrane bound nucleus is present in ___________.
       

      1. Archae
      2. Bacteria
      3. Animal cell
      4. None of the above

      Membrane bound nucleus is present in ___________.
       

      scienceGrade-10
      1. Archae
      2. Bacteria
      3. Animal cell
      4. None of the above
      Grade-10
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      Which stage comes between prophase and telophase?

      1. Leptotene
      2. Zygotene
      3. Pachytene
      4. Anaphase

      Which stage comes between prophase and telophase?

      scienceGrade-10
      1. Leptotene
      2. Zygotene
      3. Pachytene
      4. Anaphase
      parallel

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