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Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 7 (60 MCQs)

Quiz Instructions

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1. Polyribosomes are aggregation of
2. In addition to the genomic DNA, many bacteria have small circular DNA outside the genomic DNA known as
3. Which organelle helps in the synthesis of lipids cholesterol, steroids and visual pigments in epithelial cells of retina?
4. Mitochondrial porins are located in-
5. Plasmodesmata are involved in:
6. Keeping in view the fluid mosaic model for the structure of cell membrane, which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?
7. Which of the following represents a typical plant cell?
8. Structure of cilia and flagella is:
9. For the synthesis of new protein and proteins transport which organelle is related?
10. Fundamental unit of life is
11. Functions of Golgi complex include-(I) Modification of lipids and proteins(II) Detoxification(III) Formation of acrosome(IV) Glycogen synthesis and breakdownChoose the correct option:
12. Organisms made of many cells are called
13. Is semipermeable, and lets substances in and out of the cell
14. A few organs with related functions that work together for a specific function forms a
15. The number of membranes that surround centrioles structure is .....
16. Folding of inner mitochondrial membrane are called .....
17. Who proposed the fluid mosaic model of plasma membrane?
18. The endomembrane system include .....
19. Which of the given feature is/are not similar between chloroplast and mitochondria? a. Divide by fission. b. Have m-RNA, r-RNA & t-RNA. c. Site of carbohydrate oxidation. d. Have ATP synthesis enzyme. e. Storage of starch
20. Which part of a cell acts as a barrier between the cell's interior and the external environment?
21. One of the following is not the feature of centriole
22. Who gave the cell theory
23. INNER END OF THE ENOPLASMIC RETICULUM IS IN CONNECTION WITH .....
24. Which of the following affects the association and dissociation of sub-units of ribosomes .....
25. Protoplasm is made up of .....
26. Unicellular organisms are organisms that consist of only one cell while multicellular organisms are organisms that consist of more than one cell.
27. Omnis cellula-e cellula' i.e., new cells arise from pre-existing cells; this statement was given by
28. The largest isolated single cell is
29. A bacterial cell was taken and gram staining was done and observed that it did not take upgram stain such a bacteria is known as
30. Factory of ribosome in a cell is:
31. Refer to the words given in box and find out that majority belongs to which of the following cell organelle.Kinetochore, Tonoplast, Nucleolus, Telomere, Ribophorin, Cis face, Maturing face, cellulose, DNA, Pectin, Radial spokes, chromatin, Nuclear pore complex
32. Mitochondrial inheritance is:
33. The fluid nature of the membrane indicates its function of:
34. Plastids differ from mitochondria on the basis of which of the following features?
35. Which of the following is not correct for prokaryotic inclusion bodies?
36. Continuity of cytoplasm from cell to cell is maintained through cytoplasmic connections in plants called
37. A phospholipid molecule is amphipathic and produces two layers coming in contact with H$_{2}$O. The head of phospholipid molecule is
38. ..... is an non-living part of the cell
39. Prokaryotic cells have which architectural regions?
40. The fluid nature of the membrane is also important from the point of view of functions like:
41. Which of the following cell organelles is present in the highest number in secretory cells?
42. Different cells have different sizes. Arrange the following cells in an ascending order of theirsize. Choose the correct option among the followings:(i) Mycoplasma (ii) Ostrich eggs(iii) Human RBCs (iv) Bacteria
43. Radial sppokes in cetrioles connect the peripheral microtubules-
44. Which group of organelles is involved in synthesis of substances needed by cell?
45. Ribosomes, when associated with ER, attach with their
46. Cells that have membrane bound nuclei are called
47. RIBOSOMES ARE CONSIDERED AS ..... FACTORIES
48. We can hear, taste, feel etc, because of ..... cells
49. Cells with the same function combine to form a
50. The fluid mosaic model explains which aspects of a cell membrane?
51. Autonomic genome system is present in .....
52. What is one structure only bacterial cells have?
53. In order to find out quickly whether the cells are living, one must observe:
54. The "marker" enzyme of lysosome is .....
55. In each cheek cell, there is a dense membrane bound structure which contains chromosome.This structure is
56. Nuclear membrane is:
57. X is structure found in prokaryotes that is concerned with storage of reserve food materials like cyanophycean granules. X could be
58. Fluid mosaic model of plasma membrane was proposed by:
59. Which of the following are not membrane-bound?
60. The desmotubule present in the plasmodesmatal connections of plant cells is the modification of
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