Class 8 Science Chapter 8 Cell Structure And Functions Quiz 70 (25 MCQs)

Quiz Instructions

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1. What are Cell Wall?
2. The stage of mitosis in which the chromosomes unravel and new nuclei are formed?
3. Dividing cells are found in all of the following except:
4. A single-celled organism perform all the necessary functions.
5. Which connective tissue type provides structural support and elasticity, and is found in the skin and around organs?
6. When biologists wish to study the internal ultra-structure of cells, they most likely would use:
7. Controls what comes into and out of a cell.
8. 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"
9. Directs all cell activities
10. Gets materials from the endoplasmic reticulum and packages them
11. Power plant for the cell
12. If many of the ribosomes of a cell were destroyed, what effect would this most likely have on the cell?
13. What is the structure responsible for photosynthesis in plant cells?
14. Nuclear Envelope
15. One common feature of all cells is their ability to-
16. What is the primary function of mitochondria in eukaryotic cells?
17. Assertion (A):Chromosomes are responsible for the transfer of characteristics from parents to offspring.Reason (R):Chromosomes are present in the nucleus.
18. Prokaryote are?
19. This structure has a double membrane and contains the DNA of the cell.
20. Where is DNA found in a Eukaryotic Cell?
21. The type of epithelial tissue you would expect to find lining the upper respiratory tract is:
22. What is the purpose of vacuoles in plant and animal cells?
23. 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
24. Bacterial cell has a cell wall:
25. Which process is occurring when a vesicle fuses with the cell membrane and releases its contents outside the cell?