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

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1. What are Nucleus?
2. What is the function of the lysosomes in a cell?
3. A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?
4. A specialized structure inside of the cell are known as .....
5. The portion of the cell outside the nucleus, made up of the cytosol and organelles
6. The smallest unit of an organism is called:
7. Tay Sach's disease is caused because of the absence of an enzyme that is involved in the catabolism of:
8. Which organelle is found in both prokaryotic and eukaryotic cells?
9. The part of cell which plays a role of inheritance is
10. Cholesterol within membranes functions as a(n) ..... through its interactions with both hydrophobic and hydrophilic parts of phospholipids
11. What is the function of the mitochondria?
12. What is the plural of nucleus?
13. What fluid fills the space inside of the cell and holds organelles in place?
14. Which organelle is responsible for synthesizing ATP during cellular respiration?
15. Which is organelle is known as 'powerhouse of cell'?
16. The process by which a cell makes a copy of the DNA in its nucleus before cell division
17. It processes lipids and carbohydrates and gets rid of toxic wastes
18. Assertion (A):The rough endoplasmic reticulum (RER) is involved in protein synthesis. Reason (R):RER has ribosomes attached to its surface.
19. The Endoplasmic Reticulum
20. A HEN EGG CAN BE SEEN WITH UNAIDED EYES
21. This organelle makes proteins.
22. This structure is a storage area for the cell. Plants usually have one large one.
23. The thread like structure present in the nucleus is called
24. What do plant cells have that animal cells do not?
25. Where do chemical reactions occur within a cell?
26. What is one major structural difference between plant and animal cells?
27. A mutation causes the cell membrane to become impermeable to all substances. What would be the most likely consequence for the cell? Justify your answer.
28. Which organelles are involved with energy conversion?
29. What is N-linked glycosylation signal?
30. Which statement correctly characterizes bound ribosomes?
31. You are made up of .....
32. What does the cytoskeleton do?
33. What is the main difference between a prokaryotic cell and an eukaryotic cell?
34. The basic unit of structure and function
35. In many cells, the structure that controls the cell's activities is the
36. A scientist observes a cell with a damaged cytoskeleton. Predict and explain the possible effects on the cell's function.
37. The colourless plastids are called
38. Which structure is found in plant cells but not in animal cells?
39. What structure are found in plants but not in animals
40. It maintains the shape of the plant, protect the cell, and helps regulate the cell's uptake of water.
41. Omnis cellula e cellula means
42. Which of the following statements is true for eukaryotic cells?
43. Which of the following is NOT a part of the cell theory?
44. The unit of inheritance responsible for the transfer of hereditary characters from parents to offspring is
45. Rocks are not living because
46. What approach allows the investigation of physiological processes using cell-free systems?
47. ..... is called as the Structural and Functional unit of life.
48. What is the main focus of the study of living organisms according to the text?
49. Which organelle controls the cell?
50. "Shipping department", Processes proteins made by the cell and determines where they go.
51. Cell exhibit a variety of shapes and .....
52. What is the function of the Golgi Body?
53. Which organelle is responsible for packaging and transporting proteins?
54. What cell organelle is responsible for using oxygen to produce energy in the form of Adenosine Triphosphate (ATP)?
55. Functions of the cytoplasm include
56. Assertion (A):The cell membrane is made up of a phospholipid bilayer. Reason (R):Phospholipids have hydrophilic heads and hydrophobic tails.
57. What does Reductionist Biology apply to understand biology?
58. Which organelle is primarily involved in the synthesis of lipids?
59. An electron microscope magnifies objects over ..... times.
60. Which cells or cell components play an essential role in the clotting of blood?
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