About Cell Structure and Function

Following are some of the multiple choice questions on the Cell Structure and Function with answers that will help the students in developing their knowledge.

Cell Structure and Function MCQ

1. How is the DNA different in prokaryotic and eukaryotic cells?

  • Prokaryotic has circular DNA and eukaryotic has double helix DNA.
  • Prokaryotic has DNA in the nucleus and eukaryotic has DNA in the cytoplasm.
  • Prokaryotic cells do not have DNA, but eukaryotic cells do.
  • Prokaryotic cells have double helix DNA and eukaryotic cells have circular DNA.

2. Which type of cell is bigger?

  • Prokaryotic
  • Eukaryotic 

3. All eukaryotes and prokaryotes are surrounded by a _____.

  • cell wall
  • cell membrane
  • cell envelope
  • loving, supportive family

4. What type of cell does not have a nucleus?

  • eukaryotic 
  • prokaryotic 

5. What is the smallest unit of life that can carry out all life functions?

  • the nucleus
  • the vacuole
  • the mitochondria
  • the cell

6. First type of cell to appear on Earth?

  • Plant
  • Animal
  • Prokaryotic
  • Eukaryotic

7. What structure is in plant cells but not animal cells?

  • Cell Membrane
  • Mitochondria
  • Cell Wall
  • Vacuole

8. In many cells, this is the structure that controls the cell's activities.

  • Cell membrane
  • Organelle
  • Nucleolus
  • Nucleus

9. Which one of the following is not part of the cell theory?

  • all living things are made of cells
  • cells are the basic units of structure and function of living things
  • new cells are produced from existing cells
  • cells never die

10. What structure is responsible for making proteins?

  • Nucleus
  • Mitochondria
  • Golgi Apparatus
  • Ribosome

11. Which organelle packages up waste to be eliminated?

  • Golgi Complex
  • ribosomes
  • nucleus
  • Endoplasmic Reticulum

12. What is the function of the cell membrane?

  • Produces ATP
  • Produces proteins and lipids
  • Keep the organelles in place
  • Control what enters and leaves the cell

13. Where is DNA stored in a cell? 

  • Lysosomes
  • Golgi Complex
  • Ribosomes
  • Nucleus

14. Which two macromolecules offer energy storage to the cell?

  • Lipids and carbohydrates
  • lipids and nucleic acids
  • nucleic acids and proteins
  • proteins and carbohydrates

15. What is the function of a lysosome?

  • preparing protein
  • making food
  • breaking down wastes
  • food storage

16. Which function do the lipids in a cell control?

  • a protective membrane
  • hold genetic information
  • transport
  • communication

17. Which is NOT a macromolecule?

  • carbohydrates
  • nucleic acids
  • proteins
  • water

18. Which is used to make proteins in the cell?

  • nucleus
  • golgi apparatus
  • ribosomes
  • vesicles

19. What is the main difference between a prokaryotic cell and an eukaryotic cell?

  • Only prokaryotic cells have vacuoles.
  • Eukaryotic cells are smaller than prokaryotic cells.
  • Prokaryotic cells have many organelles, each with their own specialized functions.
  • Only eukaryotic cells have its genetic material surrounded by a membrane.

20. Which substance makes up the macromolecule carbohydrate?

  • amino acid
  • nucleic acids
  • vitamins
  • glucose/sugar

21. Which parts are found in plant cells? Choose ALL that apply.

  • cell membrane
  • cell wall
  • chloroplasts
  • all of above

22. Where cellular respiration takes place giving cells much needed energy

  • chloroplasts
  • mitochondria
  • nucleus
  • endoplasmic reticulum

23. Which of the following pairs INCORRECTLY matches a cell structure with its function?

  • cell membrane: protein synthesis
  • nucleus: information (DNA) storage
  • vacuole: storage
  • chloroplast: energy conversion

24. Small finger like projections make from microtubules that move the cell or move materials around.

  • Cilla
  • Flagellum
  • Fingerlings
  • Lemmings

25. Which of the following is directly involved in the transportation of materials inside/within the cell?

  • Endoplasmic Reticulum
  • Vacuole
  • Lysosome
  • Mitochondria

26. Which of the following are NOT components of plasma membrane

  • Cholestrol
  • Phospholipid
  • Sclereid
  • Protein

27. Where are proteins made? These are small, grain-like or rod shaped organelles.

  • Golgi body
  • Mitoichondrion
  • Chromosomes
  • Ribosomes

28. This type of cell is lacking a nucleus

  • prokaryotic
  • eukaryotic
  • both prokaryotic and eukaryotic
  • neither prokaryotic nor eukaryotic

29. Surrounds the cell; regulates what enters/leaves cell; maintains homeostasis

  • vacuole
  • cell wall
  • cell membrane
  • lysosome

30. Breaks down glucose to release energy for the cell

  • nucleus
  • lysosomes
  • mitochondria
  • vacuole

31. What is the maindifference between prokaryotic and eukaryotic cells?

  • Prokaryotic cells have a nucleus and Eukaryotic cells do not
  • Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
  • Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
  • Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.

32. The main function of chloroplasts is:

  • To control what enters and leaves the cell.
  • To break down food to release energy for the cell.
  • To control all activities of the cell.
  • To produce food for the cell using the sun's energy.

33. This organelle helps plants keep their rigid structure. 

  • Cell wall
  • Cell membrane
  • Chloroplast
  • Nucleus

34. My job is to package proteins for transport throughout the cell.

  • ribosome
  • Golgi complex
  • endoplasmic reticulum
  • nucleus

35. ____________ & _________________ are organelles that definitely arose from endosymbiosis.

  • Rough ER & Smooth ER
  • Mitochondria & Flagellum
  • Chloroplast & Mitochondria
  • Chloroplast and Golgi apparatus

36. The cell theory states that the cell is the most basic unit of life, all organisms are made of cells, and all cells come from cells. What makes the cell theory a scientific theory?

  • It is based on a scientific publication that is read by scientists worldwide.
  • It is based on the work of many scientists and leads to accurate predictions.
  • It is based on ideas that have been proven true and that are not subject to revision.
  • It is based on preliminary evidence but sill needs to be confirmed with experiments.

37. This organelle acts like a gatekeeper, allowing some materials to pass through it, but not others. 

  • Cytoplasm
  • Cell Membrane
  • Mitochondria
  • Vacuole

38. Where is the genetic material found in the cell? 

  • Nucleolus
  • Cytoplasm
  • Nucleus
  • Chloroplast

39. This organelle moves materials throughout the cell. 

  • Endoplasmic Reticulum
  • Ribosomes
  • FedEx
  • Golgi Complex

40. What distinguishes a eukaryotic cell from a prokaryotic cell is the presence of 

  • A cell wall
  • A nucleus
  • DNA
  • Ribosomes

41. This part of a cell acts like a gatekeeper, allowing some materials to pass through it, but not others.

  • Cytoplasm
  • Cell Membrane
  • Mitochondria
  • Vacuole

42. What structure is in plant cells but not in animal cells?

  • Cell Membrane
  • Mitochondria
  • Cell Wall
  • Vacuole

43. Organelles that package cellular materials and transports them within the cell or out of the cell.

  • Golgi Body
  • Endoplasmic reticulum
  • Large central vacuole
  • Lysosomes

44. Powerhouse of the cell, organelle that is the site of ATP ( energy production ) and cellular respiration in plants and animals.

  • Nucleus
  • Ribosomes
  • Mitochondria
  • Vacuoles

45. I am the control center of the cell and house the DNA. Who am I?

  • Cytoplasm
  • Nucleus
  • Ribosome
  • Golgi Apparatus

46. The cell wall in onion peel cell is made up of

  • starch
  • cellulose
  • gelatin
  • cell sap

47. The parts which are not present in an animal cell are:A. Cell membrane B. ChloroplastC. Cell wallD. Mitochondria

  • A and B
  • B and C
  • A and D
  • B and D

48. Which among the following is not the function of lysosomes?

  • Breaking down of food particles.
  • Protection against the pathogens.
  • Perform photosynthesis.
  • Digest worn-out cells.

49. Among the following which cell can be seen with an unaided eye?

  • Red blood cell
  • Hen’s egg
  • Sperm cell
  • Nerve cell

50. Choose the correct statement(s):(i) Ribosomes are located on the chromosomes.(ii) Cell is located in the nucleus.(iii) Chloroplasts are located in the nucleolus.(iv) Cell membrane encloses cytoplasm.

  • (i), (ii) and (iii)
  • (i) and (ii)
  • (iii) and (iv)
  • Only (iv)

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