- What is cell division?
A) Growth of cells
B) Splitting of a cell into two
C) Fusion of cells
D) Death of cells
Answer: B - Which type of cell division produces identical daughter cells?
A) Meiosis
B) Mitosis
C) Binary fission
D) Budding
Answer: B - Mitosis occurs in:
A) Germ cells
B) Somatic cells
C) Gametes
D) Spores
Answer: B - Meiosis results in:
A) Two diploid cells
B) Four haploid cells
C) Two haploid cells
D) Four diploid cells
Answer: B - Chromosomes become visible during:
A) Interphase
B) Prophase
C) Metaphase
D) Telophase
Answer: B - DNA replication occurs in:
A) G1 phase
B) S phase
C) G2 phase
D) M phase
Answer: B - The longest phase of the cell cycle is:
A) Mitosis
B) Cytokinesis
C) Interphase
D) Prophase
Answer: C - During metaphase, chromosomes align at:
A) Poles
B) Equator
C) Cytoplasm
D) Nucleus
Answer: B - Sister chromatids separate during:
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Answer: C - Cytokinesis refers to:
A) Division of nucleus
B) Division of cytoplasm
C) DNA replication
D) Chromosome duplication
Answer: B - Spindle fibers form during:
A) Telophase
B) Prophase
C) Interphase
D) Cytokinesis
Answer: B - Crossing over occurs in:
A) Prophase I
B) Prophase II
C) Metaphase I
D) Telophase I
Answer: A - Homologous chromosomes separate in:
A) Anaphase I
B) Anaphase II
C) Metaphase I
D) Telophase II
Answer: A - Number of chromosomes in gametes is:
A) Diploid
B) Haploid
C) Triploid
D) Tetraploid
Answer: B - The stage where nuclear membrane disappears:
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Answer: A - Cell plate formation occurs in:
A) Animal cells
B) Plant cells
C) Both
D) None
Answer: B - Cleavage furrow forms in:
A) Plant cells
B) Animal cells
C) Bacteria
D) Fungi
Answer: B - Meiosis consists of:
A) One division
B) Two divisions
C) Three divisions
D) Four divisions
Answer: B - Chromosome number is reduced in:
A) Mitosis
B) Meiosis
C) Binary fission
D) Budding
Answer: B - The centromere splits during:
A) Anaphase I
B) Anaphase II
C) Metaphase
D) Prophase
Answer: B - Genetic variation is mainly due to:
A) Mitosis
B) Meiosis
C) Cytokinesis
D) Interphase
Answer: B - Tetrads form during:
A) Prophase I
B) Metaphase I
C) Anaphase I
D) Telophase I
Answer: A - The stage with maximum chromosome condensation:
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Answer: B - Chromosomes reach opposite poles in:
A) Metaphase
B) Anaphase
C) Telophase
D) Prophase
Answer: C - Mitosis produces:
A) Variation
B) Identical cells
C) Gametes
D) Haploid cells
Answer: B - The spindle apparatus helps in:
A) DNA synthesis
B) Chromosome movement
C) Cytoplasm division
D) Protein synthesis
Answer: B - Centrosome is important for:
A) DNA replication
B) Spindle formation
C) Energy production
D) Protein synthesis
Answer: B - The phase before mitosis is:
A) G1
B) S
C) G2
D) Interphase
Answer: D - Interphase includes:
A) G1, S, G2
B) Prophase only
C) M phase
D) Cytokinesis
Answer: A - Chromatin condenses into chromosomes during:
A) Interphase
B) Prophase
C) Metaphase
D) Telophase
Answer: B - Each chromosome consists of:
A) One chromatid
B) Two chromatids
C) Three chromatids
D) Four chromatids
Answer: B - Daughter cells in mitosis are:
A) Haploid
B) Diploid
C) Triploid
D) Polyploid
Answer: B - Meiosis occurs in:
A) Body cells
B) Reproductive cells
C) Skin cells
D) Blood cells
Answer: B - Independent assortment occurs in:
A) Meiosis I
B) Meiosis II
C) Mitosis
D) Cytokinesis
Answer: A - The end result of meiosis:
A) 2 cells
B) 4 cells
C) 8 cells
D) 1 cell
Answer: B - The nuclear membrane reforms in:
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Answer: D - Chromosomes are pulled apart by:
A) Ribosomes
B) Spindle fibers
C) Lysosomes
D) Vacuoles
Answer: B - Meiosis II is similar to:
A) Interphase
B) Mitosis
C) Cytokinesis
D) Prophase I
Answer: B - DNA content doubles in:
A) G1
B) S phase
C) G2
D) M phase
Answer: B - The cell cycle is controlled by:
A) Hormones
B) Enzymes
C) Proteins (cyclins)
D) Lipids
Answer: C - Crossing over increases:
A) Cell size
B) Genetic variation
C) Chromosome number
D) Cell division speed
Answer: B - Haploid cells contain:
A) Two sets of chromosomes
B) One set of chromosomes
C) Three sets
D) No chromosomes
Answer: B - Diploid cells contain:
A) One set
B) Two sets
C) Three sets
D) Four sets
Answer: B - Cytokinesis follows:
A) Interphase
B) Mitosis
C) G1 phase
D) S phase
Answer: B - The main purpose of mitosis is:
A) Reproduction
B) Growth and repair
C) Genetic variation
D) Gamete formation
Answer: B - The main purpose of meiosis is:
A) Growth
B) Repair
C) Gamete formation
D) Protein synthesis
Answer: C - Synapsis occurs during:
A) Prophase I
B) Metaphase I
C) Anaphase I
D) Telophase I
Answer: A - Chromosome number is maintained in:
A) Meiosis
B) Mitosis
C) Both
D) None
Answer: B - Which phase directly follows metaphase?
A) Prophase
B) Anaphase
C) Telophase
D) Interphase
Answer: B - Which process ensures continuity of life?
A) Mitosis
B) Meiosis
C) Respiration
D) Photosynthesis
Answer: B
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