Discover the building blocks of life with The Cell MCQs covering cell structure, organelles, and their functions. This quiz is perfect for revising Chapter 4, focusing on cell theory, membrane structure, and cell division processes. Enhance your learning with these engaging questions designed for 11th Class Biology students.
Which of the following is the basic structural and functional unit of all living organisms?
a) Molecule
b) Cell
c) Tissue
d) Organ
The cell theory states that all living organisms are composed of one or more cells, and cells arise from pre-existing cells. Who proposed the cell theory?
a) Robert Hooke
b) Anton van Leeuwenhoek
c) Matthias Schleiden and Theodor Schwann
d) Rudolf Virchow
Which of the following is the control center of the cell and contains the genetic material?
a) Nucleus
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
What is the function of the mitochondria in the cell?
a) Protein synthesis
b) Energy production
c) Storage of materials
d) Cellular respiration
Which cellular organelle is responsible for the synthesis of proteins in the cell?
a) Nucleus
b) Ribosomes
c) Golgi apparatus
d) Lysosomes
The process of converting glucose and oxygen into energy (ATP) in the presence of mitochondria is known as .
a) Photosynthesis
b) Fermentation
c) Cellular respiration
d) Digestion
Which of the following is responsible for the synthesis and modification of lipids and proteins in the cell?
a) Nucleus
b) Ribosomes
c) Endoplasmic reticulum
d) Golgi apparatus
What is the function of the Golgi apparatus in the cell?
a) Protein synthesis
b) Energy production
c) Storage of materials
d) Packaging and distribution of molecules
The fluid-filled space between the cell membrane and the nucleus that houses various organelles is called .
a) Cytoplasm
b) Nucleoplasm
c) Mitochondria
d) Endoplasmic reticulum
Which organelle is responsible for the digestion of waste materials and cellular debris?
a) Nucleus
b) Ribosomes
c) Lysosomes
d) Golgi apparatus
The organelle known as the “powerhouse” of the cell because it generates ATP (adenosine
triphosphate) is .
a) Nucleus
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
Which of the following is a cell organelle found in plant cells but not in animal cells?
a) Nucleus
b) Chloroplast
c) Mitochondria
d) Lysosomes
The cellular structure that gives shape and support to the cell and is made up of proteins is called .
a) Cell membrane
b) Cell wall
c) Cytoplasm
d) Nucleus
Which of the following is the outermost boundary of a cell that separates it from its environment?
a) Cell membrane
b) Cell wall
c) Cytoplasm
d) Nucleus
The process by which the cell ingests substances from the outside by engulfing them is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is a network of protein filaments that provides structural support and shape to the cell?
a) Microtubules
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
The organelle responsible for the synthesis of lipids and detoxification of drugs and poisons is .
a) Nucleus
b) Ribosomes
c) Endoplasmic reticulum
d) Golgi apparatus
Which of the following cell organelles contains enzymes that break down hydrogen peroxide and detoxify harmful substances?
a) Nucleus
b) Ribosomes
c) Lysosomes
d) Peroxisomes
The organelle responsible for capturing light energy and converting it into chemical energy during photosynthesis is .
a) Nucleus
b) Mitochondria
c) Chloroplast
d) Golgi apparatus
Which of the following structures is responsible for the synthesis of ribosomes in the cell?
a) Nucleus
b) Ribosomes
c) Nucleolus
d) Golgi apparatus
The organelle that acts as the control center of the cell and contains the genetic material is .
a) Nucleus
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
Which of the following cell organelles is responsible for storing water, nutrients, and waste materials in plant cells?
a) Nucleus
b) Vacuole
c) Mitochondria
d) Lysosomes
The process by which water and dissolved substances move from an area of higher concentration to an area of lower concentration across a selectively permeable membrane is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is a membrane-bound sac that stores and transports various substances within the cell?
a) Nucleus
b) Vacuole
c) Mitochondria
d) Lysosomes
The process by which large molecules or particles are released from the cell by fusing with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
The organelle responsible for producing and packaging proteins that are to be exported from the cell is .
a) Nucleus
b) Ribosomes
c) Rough endoplasmic reticulum
d) Smooth endoplasmic reticulum
The process by which plant cells use sunlight to convert carbon dioxide and water into glucose and oxygen is known as .
a) Respiration
b) Photosynthesis
c) Fermentation
d) Digestion
Which of the following is a double-membraned organelle that contains the genetic material in the cell?
a) Nucleus
b) Ribosomes
c) Mitochondria
d) Golgi apparatus
The process by which cells take in substances from the outside by surrounding them with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is responsible for the synthesis of lipids and detoxification of drugs and poisons in the cell?
a) Nucleus
b) Ribosomes
c) Rough endoplasmic reticulum
d) Smooth endoplasmic reticulum
The process by which cells release substances to the outside by fusing vesicles with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is an organelle found only in animal cells and is responsible for cell division?
a) Nucleus
b) Ribosomes
c) Centrioles
d) Lysosomes
The process by which water moves from an area of higher water concentration to an area of lower water concentration across a selectively permeable membrane is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is a network of membranes and sacs involved in the synthesis, modification, and transport of proteins and lipids in the cell?
a) Nucleus
b) Ribosomes
c) Endoplasmic reticulum
d) Golgi apparatus
The process by which cells take in substances from the outside by engulfing them is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is an organelle that contains enzymes responsible for breaking down waste materials and cellular debris?
a) Nucleus
b) Ribosomes
c) Lysosomes
d) Peroxisomes
The process by which large molecules or particles are taken into the cell by fusing with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is a network of protein filaments that provides structural support and shape to the cell and is involved in cell movement?
a) Microtubules
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
The process by which cells release substances to the outside by fusing vesicles with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following cell organelles is responsible for synthesizing proteins based on the genetic instructions carried by mRNA?
a) Nucleus
b) Ribosomes
c) Endoplasmic reticulum
d) Golgi apparatus
The process by which cells break down molecules and release energy in the absence of oxygen is known as .
a) Photosynthesis
b) Fermentation
c) Cellular respiration
d) Digestion
Which of the following is an organelle found in plant cells and is responsible for capturing sunlight and converting it into chemical energy through photosynthesis?
a) Nucleus
b) Ribosomes
c) Chloroplast
d) Golgi apparatus
The process by which cells take in substances from the outside by surrounding them with the cell membrane is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is a double-membraned organelle that contains the genetic material in the cell?
a) Nucleus
b) Ribosomes
c) Mitochondria
d) Golgi apparatus
The organelle that acts as the control center of the cell and contains the genetic material is .
a) Nucleus
b) Mitochondria
c) Endoplasmic reticulum
d) Golgi apparatus
Which of the following cell organelles is responsible for storing water, nutrients, and waste materials in plant cells?
a) Nucleus
b) Vacuole
c) Mitochondria
d) Lysosomes
The process by which water and dissolved substances move from an area of higher concentration to an area of lower concentration across a selectively permeable membrane is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is responsible for the synthesis of lipids and detoxification of drugs and poisons in the cell?
a) Nucleus
b) Ribosomes
c) Rough endoplasmic reticulum
d) Smooth endoplasmic reticulum
The process by which plant cells use sunlight to convert carbon dioxide and water into glucose and oxygen is known as .
a) Respiration
b) Photosynthesis
c) Fermentation
d) Digestion
Which of the following is responsible for the synthesis and modification of lipids and proteins in the cell?
a) Nucleus
b) Ribosomes
c) Endoplasmic reticulum
d) Golgi apparatus
The process by which cells take in substances from the outside by engulfing them is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following cell organelles contains enzymes that break down hydrogen peroxide and detoxify harmful substances?
a) Nucleus
b) Ribosomes
c) Lysosomes
d) Peroxisomes
The process by which large molecules or particles are released from the cell by fusing with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following structures is responsible for the synthesis of ribosomes in the cell?
a) Nucleus
b) Ribosomes
c) Nucleolus
d) Golgi apparatus
The organelle responsible for producing and packaging proteins that are to be exported from the cell is .
a) Nucleus
b) Ribosomes
c) Rough endoplasmic reticulum
d) Smooth endoplasmic reticulum
The process by which plant cells use sunlight to convert carbon dioxide and water into glucose and oxygen is known as .
a) Respiration
b) Photosynthesis
c) Fermentation
d) Digestion
Which of the following is a double-membraned organelle that contains the genetic material in the cell?
a) Nucleus
b) Ribosomes
c) Mitochondria
d) Golgi apparatus
The process by which cells take in substances from the outside by surrounding them with the cell membrane is known as .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
Which of the following is an organelle that contains enzymes responsible for breaking down waste materials and cellular debris?
a) Nucleus
b) Ribosomes
c) Lysosomes
d) Peroxisomes
The process by which large molecules or particles are taken into the cell by fusing with the cell membrane is called .
a) Osmosis
b) Diffusion
c) Endocytosis
d) Exocytosis
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