Cell Growth and Division (Lowersixth science biology)Versión en línea Test your knowledge of the cell cycle phases! por YAKILI LMS 1 What is the first phase of the cell cycle? a Mitosis b Cytokinesis c Prophase d Interphase 2 During interphase, what does the cell do? a Grows only b Stops growing c Prepares for division d Divides 3 Which phase follows interphase in the cell cycle? a Prophase b Interphase c Cytokinesis d Mitosis 4 What is the main activity during the G1 phase? a Cell growth b DNA replication c Protein synthesis d Cell division 5 In which phase does DNA replication occur? a G1 phase b G2 phase c S phase d Mitosis 6 What happens during the G2 phase? a Cell death b Cell division c DNA replication d Preparation for mitosis 7 Which phase involves the division of the cell's nucleus? a G1 phase b Cytokinesis c Interphase d Mitosis 8 What is cytokinesis? a DNA copying b Division of the nucleus c Division of the cytoplasm d Cell growth 9 How many main phases are in the cell cycle? a Five b Two c Four d Three 10 Why is interphase important? a It divides the nucleus b It causes cell death c It prepares the cell for division d It stops cell growth 11 What is the main purpose of the M phase in the cell cycle? a To prepare for DNA replication b To divide the cell into two daughter cells c To grow the cell d To repair DNA 12 Which phase of interphase is responsible for cell growth and normal functions? a G2 phase b S phase c M phase d G1 phase 13 What occurs during the G2 phase of interphase? a Preparation for mitosis and cell division b DNA replication c Protein synthesis d Cell growth 14 Why is the G1 phase important for the cell? a It divides the cell b It allows the cell to grow and carry out functions c It prepares for mitosis d It copies DNA 15 What is the significance of the S phase in interphase? a Protein synthesis b Cell division c Cell growth d DNA replication occurs during this phase 16 During mitosis, what happens in the metaphase? a Chromosomes replicate b Nuclear envelope breaks down c Chromosomes align in the middle of the cell d Chromosomes separate 17 What is the key event of anaphase in mitosis? a Nuclear envelope reforms b Cell membrane pinches c Chromatids are pulled to opposite poles d Chromosomes align 18 Why is mitosis important for multicellular organisms? a It prevents mutations b It causes cell death c It stops cell division d It enables growth, repair, and reproduction of cells 19 What role does the G2 phase play before mitosis? a Replaces damaged DNA b Divides the cell c Ensures all DNA is replicated and ready for division d Begins DNA replication 20 Which phase of the cell cycle prepares the cell for mitosis? a S phase b M phase c G2 phase d G1 phase 21 What is the first stage of mitosis? a Metaphase b Anaphase c Prophase d Telophase 22 During which stage do chromosomes become visible? a Prophase b Metaphase c Anaphase d Telophase 23 In which stage do chromosomes align at the cell's equator? a Metaphase b Telophase c Anaphase d Prophase 24 What happens to the nuclear membrane during prophase? a It thickens b It disappears completely c It breaks down d It remains intact 25 During metaphase, chromosomes are lined up at the? a Pole of the cell b Nuclear membrane c Equator of the cell d Centrosome 26 Which stage follows prophase in mitosis? a Metaphase b Anaphase c Telophase d Interphase 27 What is the main event of metaphase? a Chromosomes align in the middle b Chromosomes separate c Chromosomes condense d Nuclear envelope reforms 28 In which stage do sister chromatids separate? a Metaphase b Anaphase c Prophase d Telophase 29 What is the key feature of prophase? a Chromosomes align b Chromosomes disappear c Nuclear membrane forms d Chromosomes become visible 30 During which stage do chromosomes reach the poles? a Anaphase b Prophase c Metaphase d Telophase 31 What is the main event in anaphase? a Chromosomes condense b Nuclear envelope reforms c Spindle fibers disappear d Chromosomes separate and move to poles 32 During telophase, what begins to form? a Cell membrane breaks down b Spindle fibers shorten c Chromosomes align in the middle d Nuclear envelopes around each set of chromosomes 33 In anaphase, chromosomes move toward which part of the cell? a Cell membrane b Nuclear region c Opposite poles d Center of the cell 34 What structure helps chromosomes move during anaphase? a Cytoplasm b Cell wall c Spindle fibers d Nucleolus 35 What happens to the nuclear envelope in telophase? a It condenses b It disappears c It breaks down d It re-forms around each set of chromosomes 36 Which stage follows anaphase in mitosis? a Metaphase b Prophase c Interphase d Telophase 37 What is the purpose of telophase? a To separate sister chromatids b To re-establish the nuclear structure c To align chromosomes d To divide the cytoplasm 38 In anaphase, sister chromatids are called what? a Nucleoli b Spindle fibers c Chromosomes d Centrioles 39 What is the final step of mitosis? a Cytokinesis (division of cytoplasm) b Nuclear division c DNA synthesis d Chromosome replication 40 During telophase, what happens to the cell's shape? a It becomes irregular b It expands rapidly c It remains unchanged d It begins to pinch in and prepare for division 41 What is the final stage of the cell cycle in animal cells? a Metaphase b Cytokinesis c Prophase d Anaphase 42 During cytokinesis in animals, what structure helps divide the cell? a Nucleus b Cell wall c Cleavage furrow d Chromatin 43 In which phase does the cell prepare for division by copying DNA? a S phase b G2 phase c G1 phase d Prophase 44 What happens during the anaphase of mitosis? a Chromosomes condense b Nucleus reforms c Spindle fibers form d Chromosomes separate and move apart 45 Which phase follows metaphase in the cell cycle? a Prophase b Interphase c Anaphase d Telophase 46 What is the main purpose of cytokinesis? a To form the nucleus b To organize chromosomes c To divide the cytoplasm and form two cells d To copy DNA 47 In animal cells, cytokinesis results in how many daughter cells? a Four b One c Three d Two 48 Which structure is responsible for pulling chromosomes apart? a Centrioles b Cell membrane c Nucleolus d Spindle fibers 49 What is the phase called when chromosomes are visible under a microscope? a Cytokinesis b Mitosis c G1 phase d Interphase 50 What is the role of centrioles during cell division? a To help organize spindle fibers b To produce energy c To replicate DNA d To form the nuclear envelope
Crear