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Class 8 Science Chapter 8 Cell Structure And Functions Quiz 31 (60 MCQs)

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1. Which of the following is not one of the seven life processes?
2. What is the primary function of diffusion in cells?
3. Which plant tissue type provides support and is often found in the leaf veins and stems?
4. Garbage men of the cell. Enzyme vesicle.Breaks down larger food molecules into smaller molecules; digests old cell parts.
5. Helps transport proteins.
6. There are cell structures that are common to animals, plants, and many other living organisms.Parts of a Cell
7. Which plant organelle stores water?
8. The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus
9. Father of modern microbiology
10. Aria is helping her teacher clean up the science lab after an experiment. She notices that some cleaning agents are specifically used to break down and remove old or excess materials from the lab equipment. This reminds her of a cell structure that contains digestive enzymes for the breakdown of excess or worn-out cellular substances. Which structure is she thinking of?
11. Explain the function of chloroplasts in plant cells.
12. The peroxisome gets its name from its interaction with hydrogen peroxide. If a liver cell is detoxifying alcohol and some other poisons, it does so by removal of hydrogen from the molecules. What, then, do the enzymes of the peroxisome do?
13. The unit of inheritance present in Nucleus?
14. The control centre of all the activities of a cell is
15. What regulates what enters and leaves the cell and provides protection and support?
16. What does the text imply about the complexity of living organisms?
17. An average adult carries around about .....
18. What is osmosis?
19. What does the rough endoplasmic reticulum (ER) have that the smooth ER does not?
20. Having only one copy of each chromsome
21. Which of the following is a characteristic of the cell membrane?
22. Which level of biological organization comes directly after "cell" ?
23. Which of the following is not a basic component of a cell?
24. Movement of small molecules from higher to lower concentrations and does not always involve a membrane
25. In which of the following cell, there is a larger vacuole
26. Cell is a latin word which means:
27. Rigid outer layer
28. Which of these structures surround cells?
29. Which cell organelle contains digestive enzymes in acid substance that could destroy the entire cell if ruptured?
30. Lysosome is called the of the cell:
31. Powerhouse of the cell, organelle that is the site of ATP ( energy production ) and cellular respiration in plants and animals.
32. Which macromolecule is the main component of cell membranes?
33. What is the role of ribosomes in a cell?
34. Abigail is learning about nutrition in her science class. She comes across substances like fats, waxes, and oils in her textbook. What are these substances collectively known as?
35. There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?
36. What is considered as the brain of the nucleus?
37. -a dark spot can be seen within ..... a small nucleus inside the big nucleus.
38. Cells are not similar in their basic structure and functions but are identical.
39. What is connective tissue characterized by?
40. A green photosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria
41. Cells that are involved in conducting messages are known as:
42. The densely packed area of a cell that has the DNA and controls the cell's activities.
43. What is device used to magnify objects?
44. Which among the words is a part of the cell?
45. Which of these help to transport substances within the cell?
46. Who discovered cell in pound water
47. The process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide and water
48. TO HAVE BEGUN IN MINERAL-RICH POOLS WHERE ALL MANNER OF CATALYST COULD HAVE OCCURRED ON VARIOUS SOLID SURFACES
49. Breaks down glucose to release energy for the cell
50. What is the difference between rough and smooth Endoplasmic Reticulum
51. Which type of cell looks more square?
52. It is the jelly-like substance present between the cell membrane and the nucleus:
53. All the parts of a cell are called?
54. What is the function of a vacuole in a cell?
55. Which organelle stores food, water, and waste?
56. ..... help in the transfer of messges in the body.
57. Which of the following is not found in all cells?
58. Levels of organisation can be seen in:
59. Helps in cell division by organizing microtubules
60. ER may have ribosomes attached to them that make their surface look rough
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