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Class 8 Science Chapter 8 Cell Structure And Functions Quiz 4 (60 MCQs)

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1. What is the primary function of ribosomes in a cell?
2. Control the cell's activities; contains the cell's DNA
3. ..... are organelles that use light energy to make food.
4. What is true about unicellular organisms?
5. A group of tissues that perform a similar function is called ..... (Examples include the heart, lungs or stomach)
6. Why are cells considered systems?
7. Found in cells that obtain energy by capturing sunlight and storing it in the chlorophyll. This is apart of structural support for the cell.
8. Which organelle labels substances (proteins, etc) with messages (hormones) so that they can be used in the cell or outside of the cell?
9. Which organelle is known as the 'powerhouse' of the cell?
10. Which organelle is responsible for protein synthesis?
11. Which tool is most likely used to produce a clear image of very tiny structures inside a cell?
12. Transport system
13. This structure is in plant cells but not animal cells. It is outside of the cell membrane and adds more support/structure/rigidity to the plant.
14. Which organelle is responsible for storing and protecting the cell's genetic material?
15. This organelle contains substances that help break down and recycle cellular components. *
16. What is the other name of cell membrane?
17. In a multicellular living organism, X is made up of Y and Y are made up of cells. What are X and Y?
18. What is the function of the nucleus in a cell?
19. What is the main difference between prokaryotic and eukaryotic cells?
20. Which of the following is not a prokaryotic cell?
21. Viscous fluid containing organelles.
22. Which of the following is the exception of cell theory?Which statement is not part of the cell theory?
23. Where are ribosomes found in the cell?
24. Where is DNA stored?
25. Each organelle has a special function that helps maintain the cell's life.
26. Which organelle is known as the 'control center' of the cell?
27. Unicellular organisms are
28. Which structure is common to plant and animal cells?
29. This organelle is a rigid outer layer that protects plant cells.
30. Nuclear membrane.-is similar to the cell membrane.
31. When flagella are present on the entire surface of bacteria it is called
32. Uses ATP (energy)
33. Plants are able to make their own food using an organelle called the chloroplast.
34. Which structure in plant cells is the site of photosynthesis?
35. Are like flattened sacks that are stacked side by side
36. What distinguishes rough ER from smooth ER?
37. Cheek cells do not have
38. Cytoplasm is surrounding by a thin covering called.
39. What is the cell wall of a plant made up of?
40. ..... cell has a big central vacuole.
41. What does the mitochondrion do for the cell as a whole? *
42. Tissues combine to form an organism.
43. Which organelle is primarily involved in cellular respiration and ATP production?
44. Name the outermost layer of a plant cell that protects and supports it. Rigid outer wall, provides structure to the plant cell.
45. What is passive transport?
46. All of the chemical reactions that occur within an organism.
47. What is the function of the Endoplasmic Reticulum (ER)?
48. Animal cells can be in both animals AND humans.
49. Brick in a building and cell in a living organisms, are ..... ?
50. Name the organelle known as 'suicide bags'?
51. A mycoplasma is an organism with a diameter between 0.1 and 1.0 $\mu$m. What does its size tell you about how it might be classified?
52. The second stage of the cell cycle during which the cell's nucleus divides into two nuclei and one set of DNA is distributed into each daughter cell
53. What is the cell wall made of?
54. Which of the following best describes the main function of the cell membrane?
55. Muscle cells have many mitochondria.
56. Directions-(Q.23-Q.30) Identify the organelle.8- "I am the living content of the cell and I am formed of nucleus and cytoplasm"
57. One example of a prokaryote is a .....
58. Contains enzymes to digest waste material and cellular debris
59. Which type of transport requires energy to move substances across the cell membrane?
60. True or false:Skin cells have a very different structure and function than brain cells
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