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Class 8 Science Chapter 8 Cell Structure And Functions Quiz 28 (60 MCQs)

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1. The ..... is the area between the nucleus and the membrane that contains organelles.
2. All cells are enclosed in a thin
3. What is the role of organic compounds inside a cell?
4. The colour of chlorophyll pigment is
5. Which type of epithelial tissue is specialized for absorption and is found in the intestines?
6. What is the single most abundant compound in living organisms?
7. Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
8. WHAT IS CALLED THE LIVING SUBSTANCE OF THE CELL.
9. Which of these is the control centre of the cell?
10. Assertion (A):The nucleus contains genetic material in the form of DNA. Reason (R):DNA controls all cellular activities by coding for proteins.
11. Surrounds the cell; regulates what enters/leaves cell; maintains homeostasis
12. What are Cell Wall?
13. The stage of mitosis in which the chromosomes unravel and new nuclei are formed?
14. Dividing cells are found in all of the following except:
15. A single-celled organism perform all the necessary functions.
16. Which connective tissue type provides structural support and elasticity, and is found in the skin and around organs?
17. When biologists wish to study the internal ultra-structure of cells, they most likely would use:
18. Controls what comes into and out of a cell.
19. Directions-(Q.23-Q.30) Identify the organelle.4- "I am the site of protein synthesis in a cell and I am present on the Rough Endoplasmic Reticulum"
20. Directs all cell activities
21. Gets materials from the endoplasmic reticulum and packages them
22. Power plant for the cell
23. If many of the ribosomes of a cell were destroyed, what effect would this most likely have on the cell?
24. What is the structure responsible for photosynthesis in plant cells?
25. One common feature of all cells is their ability to-
26. Assertion (A):Chromosomes are responsible for the transfer of characteristics from parents to offspring.Reason (R):Chromosomes are present in the nucleus.
27. This structure has a double membrane and contains the DNA of the cell.
28. The type of epithelial tissue you would expect to find lining the upper respiratory tract is:
29. What is the purpose of vacuoles in plant and animal cells?
30. The process that requires an input of energy to help martial move from an area of lower concentration to an area of greater concentration is called
31. Bacterial cell has a cell wall:
32. Which process is occurring when a vesicle fuses with the cell membrane and releases its contents outside the cell?
33. What is the process by which cells grow and divide?
34. What is meant by the term "fluid mosaic model" ?
35. Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
36. Golgi apparatus is often associated with
37. ..... create proteins for plant and animal cells.
38. These organelles store food, water, and waste material. *
39. Filaments present in flagella and cilia are
40. Which organism listed below is a prokaryote?
41. Blue-Green algae and bacteria are what kind of organisms?
42. Lipid-soluble molecules diffuse through the ..... ; water soluble molecules diffuse through the .....
43. It contains semifluid substance called the cytosol where the different organelles are suspended
44. Green colored plastics are called
45. Hairlike appendages are called ..... on a cell. *
46. The scientist who discovered cell in bark of tree
47. What part of the cell contains the genetic material (DNA)?
48. Which organelle breaks downs material and waste products?
49. An organism with only one cell is known best as .....
50. These structures are located in the nucleus and they make ribosomes.
51. Which of the following processes is NOT mentioned as a physiological process?
52. Allows materials selectively to come in and out of the cell
53. To prepare a mount of human cheek cell, the sample is collected from
54. Specialized structures that perform cell functions are
55. Ostrich's egg is a
56. Which part of the cell is responsible for maintaining its shape and protecting its internal components?
57. This sac with the cytoplasm stores water, food, waste, products and other materials.
58. What is small rod-like organelle present in the cell which helps to get energy from food?
59. Is a tough, rigid outer covering that protects the p[-lant call and helps maintain its shape.
60. This site serves as the synthesis and assembly of ribosomes?
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