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Class 8 Science Chapter 8 Cell Structure And Functions Quiz 12 (60 MCQs)

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1. The basic structural and functional unit of all living organism is
2. What are ribosomes?
3. The command center of the cell which contains DNA/chromosomes, as well as the nucleolus.
4. Vacuoles (in plants)
5. Muscle cells in our body are
6. What are the four main types of tissues in the human body?
7. What is DNA organized into within the cell?
8. Which of the following statements concerning the secondary active transport of glucose into cells is true?
9. Which of the following is responsible for the synthesis of chromosomes during cell division
10. Converts chemical energy stored in food molecules into compounds that are more convenient for the cell to use. Mitochondria have their own DNA.
11. Emma, Elijah, and Anika are studying plants in their biology class. They learned that plants have chloroplasts. What is the primary function of these chloroplasts in the plants they are studying?
12. The "brain of the cell, controls the cell, contains DNA (cellular instructions)
13. Which process reduces the chromosome number by half in cells?
14. Which of the following organelles will you NOT find in an animal cell?
15. A fully grown human has about how many cells?
16. In which form do animal cells store food
17. Additional layer around the outside of plant cells made from cellulose that protect and give shape
18. The first stage of the cell cycle that takes place before cell division occurs, during which a cell grows and makes a copy of its DNA
19. A typical plant cell is rectangular in shape.
20. If the ocular/eyepiece magnification is (10X) and objective lens is (10X), what is the total magnification on medium power?
21. Lysosomes that are found in animal cells are like the "trash bags" of the cell because they
22. Main producer of ATP in all eukaryotes
23. What do all cells have in common?
24. Hannah is studying cell biology and wants to know the main function of the endoplasmic reticulum. Can you help her?
25. Grace is building a model city and wants to make sure the buildings stand tall and keep their shape, just like cells do. What part of a cell acts like the framework that provides shape, support, and strength to BOTH animal and plant cells?
26. A researcher notices that a certain cell can survive in both high and low salt concentrations. What cellular process is most likely helping the cell maintain its internal balance?
27. Often referred to as the "powerhouse.
28. Which of the following is not the role of the Lysosome?
29. Who was the first scientist who discovered cell
30. Looking at a cell under a microscope, you note that it is a prokaryote. How did you know?
31. Who discovered cell and when?
32. Which of the following is a difference between mitosis and meiosis?
33. What is the role of the Golgi apparatus?
34. Where are vesicles found?
35. Olivia is helping her friend Mia clean a fish tank. She notices that the water fills all the space between the decorations and wonders what the fluid/liquid substance is called that fills the cell, occupying all the space between organelles.
36. Genes are located in
37. What large macromolecule does not dissolve in water?
38. Which of the following best describes the structure of a prokaryotic cell?
39. A tiny cell structure that carries out a specific function within a cell.
40. Which statement about Plastids is incorrect?
41. In what ways are chloroplasts and mitochondria alike?
42. What is the main function of carbohydrates in cells?
43. In a eukaryotic cell, the perinuclear space is continuous with the lumen of:
44. Organelles that transport substances from one area of a cell to another area of a cell are called ..... *
45. Human cheek cells are commonly stained with
46. Which organelle produces most of the energy the cell needs to carry out its functions?
47. Directions-(Q.23-Q.30) Identify the organelle.1- "I am the control center of the cell and I carry the genetic material"
48. Which of the following is the largest cell on the Earth
49. What is the primary function of the rough endoplasmic reticulum in a cell?
50. Select the mismatch pair.
51. A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP is called .....
52. Which distinguishes a prokaryotic cell from a eukaryotic cell?
53. This cell organelle is responsible for extracting energy from carbohydrates to form ATP
54. Which of the following is involved in muscle contraction?
55. Predict the impact on a cell if ribosomes were non-functional.
56. Nucleus is separated from the cytoplasm by a membrane called the .....
57. Plastids are in different colours
58. What is the role of the cytoplasm in a cell?
59. Smooth Endoplasmic Reticulum (ER)
60. Aids in cell shape and protection; not in animal cells.
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