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WorksheetsZoology and Botany
Total questions: 20
Worksheet time: 3mins
Which of the following organelles is responsible for energy production in both plant and animal cells?
Nucleus
Mitochondria
Ribosomes
Chloroplasts
Which structure is found only in plant cells and is responsible for photosynthesis?
Mitochondria
Ribosomes
Chloroplasts
Lysosomes
The plasma membrane is primarily composed of which macromolecule?
Carbohydrates
Proteins
Lipids
Nucleic Acids
Which organelle is responsible for packaging and modifying proteins for transport?
Golgi Apparatus
Endoplasmic Reticulum
Lysosome
Nucleus
Which of the following is present in plant cells but absent in animal cells?
Cell Wall
Plasma Membrane
Mitochondria
Endoplasmic Reticulum
In which type of cell would you find large central vacuoles?
Animal Cells
Plant Cells
Both animal and plant cells
Neither animal nor plant cells
Animal cells contain centrosomes, which are involved in:
Photosynthesis
Protein synthesis
Cell division
Nutrient storage
Which stage of mitosis is characterized by the alignment of chromosomes at the cell's equatorial plane?
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis in plant cells involves the formation of:
Cleavage furrow
Cell plate
Mitotic spindle
Chromatin
In animal cells, the cleavage furrow is formed during:
Prophase
Metaphase
Anaphase
Telophase
During which phase of the cell cycle does DNA replication occur?
G1 Phase
S Phase
G2 Phase
M Phase
The rough endoplasmic reticulum is termed 'rough' due to the presence of:
Ribosomes
Lipids
Carbohydrates
Enzymes
Which component provides rigidity to the plant cell and is mainly composed of cellulose?
Plasma membrane
Cytoskeleton
Cell wall
Vacuole
The primary purpose of meiosis in sexually reproducing organisms is to:
Produce genetically identical cells
Reduce the chromosome number by half
Ensure identical DNA in all cells
Repair damaged DNA
Which phase of mitosis is characterized by the separation of sister chromatids?
Prophase
Metaphase
Anaphase
Telophase
What is the end result of mitosis and cytokinesis in a diploid cell?
Four genetically different haploid cells
Two genetically identical diploid cells
Two genetically different diploid cells
Four genetically identical diploid cells
Which of the following is not a function of the plasma membrane?
Regulating the entry and exit of substances
Providing structural support
Facilitating communication between cells
Synthesizing proteins
Which component of the cytoskeleton is primarily involved in cell division and the formation of the mitotic spindle?
Microfilaments
Microtubules
Intermediate filaments
Actin filaments
Which organelle is responsible for the degradation of worn-out cellular components?
Lysosome
Peroxisome
Golgi apparatus
Mitochondrion
In plant cells, the plasmodesmata are:
Channels that connect the cytoplasm of adjacent cells
Involved in the transport of lipids
Specialized vacuoles
Involved in protein synthesis
