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Class 8 Science Chapter 8 Cell Structure And Functions Quiz 10 (60 MCQs)

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1. A student is given a diagram of a cell and asked to identify the organelle responsible for energy production. What evidence should the student use to support their answer?
2. It is called control center of cell and is involved in cell division
3. Prokaryotic cells have all of the following parts EXCEPT:
4. A multicellular organism is unable to maintain homeostasis. Which level of biological organization is most likely malfunctioning?
5. A gel-like fluid in which many different organelles are found.
6. The cell wall is found only in plant cells
7. Found in plant cells; traps energy from the sun to make food
8. What do ribosomes do?
9. Which organelle is responsible for converting solar energy into chemical energy in plant cells?
10. Secondary cell wall of a plant cell is composed of all of the following EXCEPT:
11. The extremely flexible tissue that provides support in soft, nonwoody plants, allowing them to grow upward, is:
12. Unlike passive transport, active transport requires
13. What is the function of the vacuole?
14. Controls entry and exit of substances
15. Suppose a cell's nucleus is damaged and cannot function properly. What effect would this most likely have on the cell?
16. Assertion (A):The Golgi apparatus is involved in the synthesis of polysaccharides. Reason (R):Polysaccharides are important components of plant cell walls.
17. Each organ is further made up of smaller parts called .....
18. When were the first commercial electron microscopes built?
19. "The kitchen smells like cookies." This statement is a/an
20. Which cell has central large vacuole
21. What type of cell will form a cell plate during mitosis?
22. Which of the following statement(s) is(are)true about cell:A] Cell is the basic unit of lifeB] Both plant cell and animal cell posses cell wallC] Nucleus was first observed by Robert Brown
23. Controls what goes in and out of a cell
24. Directions-(Q.23-Q.30) Identify the organelle.6- "I am a organelle which is involved in cell division and I am present only in animal cell"
25. The cells capable of changing shapes are
26. Which of the following best describes osmosis?
27. How does the rough ER differ from the smooth ER?
28. Organelles other than the nucleus that contain DNA include
29. Provides energy for the cell through cellular respiration
30. Endoplasmic Reticulum (ER)
31. What is the primary function of mitochondria?
32. Which of the following is a key difference between plant and animal cells?
33. Cell's genetic information is contained in structures called
34. A fluid inside a cell that contains salts and other molecules. *
35. Cellular respiration takes place when ..... are broken down to carbon dioxide and water.
36. How do vacuoles in animal cells compare to those in plant cells?
37. The basic structural unit of an organ
38. These are structures that produce proteins and are often found attached to the endoplasmic reticulum.
39. Which of the following is the site for protein synthesis?
40. This type of tissue is capable of cell division (mitosis).
41. The site of photosynthesis
42. What did he used for his experiment?
43. ..... , which are a type of xylem, are extremely efficient in conducting water.
44. What is the primary function of the Golgi apparatus?
45. Biological membranes are normally permeable to:
46. KenQuavious is observing a cell under a microscope. He observes a variety of membrane-bound organelles. Which of the following is a conclusion he could draw?
47. Which of the following scientists discovered cells in cork slices?
48. Small structures in the cytoplasm that do special jobs.
49. These organelles capture energy from sunlight and use it to produce food for the cell.
50. Benjamin, Abigail, and Arjun are studying for their biology exam. They come across a question about the organelle responsible for cellular respiration. Which organelle should they focus on?
51. Control center of cell.
52. Which of the following best explains the importance of the nucleus in a cell?
53. Which of the following best describes diffusion?
54. This type of cell can survive in conditions without oxygen, such as deep ocean trenches.
55. Which of the following processes involves the movement of molecules from an area of higher concentration to an area of lower concentration without the use of energy?
56. What is the structure of the mitochondria?
57. Which of the following questions about Theodore Schwann is incorrect?
58. Organisms whose cells do not have a nucleus are called .....
59. ..... is used to move substances that are too large to pass through the cell membrane through diffusion or by using transport proteins into cells.
60. In a plant cell the extra layer outside the cell membrane is known as the
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