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Cell – The unit of life MCQs
Who is known as the father of the cell theory? a) Louis Pasteur b) Robert Hooke c) Theodor Schwann d) Matthias Schleiden ✔️ Answer: b) Robert Hooke
Which of the following is the basic structural and functional unit of life? a) Organ b) Tissue c) Cell d) Organism ✔️ Answer: c) Cell
Which organelle is known as the powerhouse of the cell? a) Nucleus b) Chloroplast c) Mitochondria d) Ribosome ✔️ Answer: c) Mitochondria
The plasma membrane is primarily made up of: a) Proteins b) Lipids and proteins c) Carbohydrates d) Nucleic acids ✔️ Answer: b) Lipids and proteins
Which of the following is found in plant cells but not in animal cells? a) Mitochondria b) Chloroplast c) Endoplasmic reticulum d) Ribosome ✔️ Answer: b) Chloroplast
Which structure in the cell is responsible for protein synthesis? a) Nucleus b) Ribosome c) Mitochondria d) Golgi apparatus ✔️ Answer: b) Ribosome
Which part of the cell contains the genetic material? a) Cytoplasm b) Nucleus c) Mitochondria d) Endoplasmic reticulum ✔️ Answer: b) Nucleus
Which of the following is true about prokaryotic cells? a) They have a well-defined nucleus b) They lack a nucleus c) They have membrane-bound organelles d) They have linear DNA ✔️ Answer: b) They lack a nucleus
The function of the Golgi apparatus is to: a) Synthesize proteins b) Produce energy c) Package and transport proteins d) Store genetic information ✔️ Answer: c) Package and transport proteins
Which of the following organelles is involved in the production of ribosomes? a) Mitochondria b) Nucleolus c) Golgi apparatus d) Smooth endoplasmic reticulum ✔️ Answer: b) Nucleolus
Which of the following is a characteristic feature of eukaryotic cells? a) Lack of nucleus b) Presence of membrane-bound organelles c) Small size d) Presence of a single chromosome ✔️ Answer: b) Presence of membrane-bound organelles
What is the function of lysosomes in the cell? a) Protein synthesis b) Energy production c) Digestion of waste materials d) Transport of materials ✔️ Answer: c) Digestion of waste materials
The outermost boundary of the animal cell is called: a) Plasma membrane b) Nucleus c) Cell wall d) Cytoplasm ✔️ Answer: a) Plasma membrane
What structure controls the movement of substances in and out of the cell? a) Mitochondria b) Plasma membrane c) Cytoplasm d) Nucleus ✔️ Answer: b) Plasma membrane
What is the function of chloroplasts in plant cells? a) Protein synthesis b) Storage of food c) Photosynthesis d) Digestion of waste materials ✔️ Answer: c) Photosynthesis