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Cellular and Tissue Level of Organization MCQ
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1. Which among the following defines GPI-anchored proteins
(A) Integral proteins of the plasma membrane
(B) Peripheral proteins of the plasma membrane
(C) Proteins that bind to ion-gated channels in the plasma membrane
(D) None of the above
Ans. B
2. The network of interlinking filaments And tubules that provide a cell with Shape and stability is referred to as The
(A) Cytoskeleton
(B) Cytoscaffold
(C) Cytostructure
(D) Vacuoles
Ans. A
3. Cell signalling is
(A) Intercellular
(B) Intracellular
(C) Both (a) and (b)
(D) None of the above
Ans. C
4. Carrier proteins take part in
(A) Water transport
(B) Active transport of ions
(C) Passive transport of ions
(D) None
Ans. B
5. Which of the organelle is not Membrane bounds
(A) Ribosome
(B) Nucleolus
(C) Centriole
(D) All of these
Ans. D
6. What structure of the cell is Responsible for packaging DNA, Reinforcing mitosis, preventing DNA Damage, and controlling DNA Replication
(A) Chromatin
(B) Glycosomes
(C) Nucleus
(D) Plasma membrane
Ans. A
7. The Cell theory is not applicable too
(A) Fungi
(B) Algae
(C) Virus
(D) Microbes
Ans. C
8. Paracrine messenger molecules are Usually
(A) Large
(B) Stable
(C) Unstable
(D) Amphoteric
Ans. C
9. Which of the following statements is True about chromosomes
(A) It is present within the nucleus
(B) It carries genes and helps in inheritance
(C) It is composed of DNA in the form of Chromatin and protein
(D) All of the above
Ans. D
10. Which of the following statements is True about the Golgi bodies
(A) It is a sac-like organelle
(B) It is located near the nucleus
(C) It helps in transporting the particles throughout the cell
(D) All of the Above
Ans. D
11. Which organelle have-functions to Package and deliver proteins
(A) Golgi body
(B) Lysosome
(C) Endoplasmic reticulum
(D) Mitochondria
Ans. A
12. Which of the following is not a Connection between the plasma membrane of adjacent cell
(A) Desmosome
(B) Tight junction
(C) Gap junction
(D) Transverse junction
Ans. D
13. Which one of the following organelles Digests the old organelles that are no longer useful to the cells
(A) Ribosomes
(B) Mitochondria
(C) Lysosomes
(D) Chromatin
Ans. C
14. Which of the following cell organelles Is present in plant cells and absent in Animal cells
(A) Nucleus
(B) Vacuole
(C) Chloroplast
(D) Cytoplasm
Ans. C
15. rRNA is synthesized by
(A) Cytoplasm
(B) Golgi body
(C) Nucleolus
(D) Cell wall
Ans. C
16. What structure of the ell is Responsible for packaging DNA, Reinforcing mitosis, preventing DNA Damage, and controlling DNA Replication
(A) Chromatin
(B) Glycosome
(C) Nucleus
(D) Plasma membrane
Ans. A
17. The fluidity of the plasma membrane Increases with
(A) Increase in unsaturated fatty acids in the membrane
(B) Increase in saturated fatty acids in the membrane
(C) Increase in glycolipid content in the membrane
(D) Increase in phospholipid content in the membrane
Ans. A
18. What structure of the cell is like tiny, Finger-like extensions of the plasma Membrane that increases the cell’s surface area
(A) Filaments
(B) Microfilament
(C) Microtubule
(D) Microvilli
Ans. D
19. Microfilaments are composed of a Protein called
(A) Tubulin
(B) Actin
(C) Myosin
(D) Chitin
Ans. B
20. Which of the following statements Regarding exocytosis is correct
(A) Is always employed by cells for secretion
(B) Takes up large molecules from the extracellular space
(C) Allows the retrieval of elements of the cell membrane
(D) ls used to deliver material into the extracellular space
Ans. D
21. The plasma membrane provides the Outer boundary of
(A) The nucleus
(B) The mitochondria
(C) The cell
(D) Vacuoles
Ans. C
22. Golgi complex originates from
(A) Nuclear membrane
(B) Cell plate
(C) Ribosomes
(D) Endoplasmic Reticulum
Ans. D
23. Which of the following cell organelles Regulates the entry and exit of Molecules to and from the cell
(A) Lysosomes
(B) Golgi bodies
(C) Cell membrane
(D) Mitochondria
Ans. C
24. Which is not an example of Transmembrane transport between Different subcellular compartments
(A) Transport from the stroma into thylakoid space
(B) Transport from the cytoplasm into the lumen of the endoplasmic reticulum
(C) Transport from the endoplasmic reticulum into the Golgi complex
(D) None of the above
Ans. C
25. Which of the following signalling is Involved in Paracrine signalling
(A) Chemical signalling
(B) Synaptic transmission
(C) Hormonal Communication
(D) Autostimulation of cell
Ans. A
26. Which of the following cell organelles Is absent in animal cells and present in A plant cell
(A) Cell wall
(B) Cytoplasm
(C) Vacuoles
(D) Mitochondria
Ans. A
27. This structure is called the power-House of the cell because it generates The cell’s energy
(A) Ribosome
(B) ATP
(C) Mitochondria
(D) Endoplasmic reticulum
Ans. C
28. Cell organelles are located within Of the cell.
(A) Nucleus
(B) Cytoplasm
(C) Cell membrane
(D) Lysosomes
Ans. B
29. This cell organelle does not contain DNA
(A) Nucleus
(B) Mitochondria
(C) Lysosomes
(D) Chloroplast
Ans. C
30. Animal cells are interconnected by
(A) Plasma Membrane
(B) Cell wall
(C) Desmosome
(D) Plasmodesmata
Ans. C
31. The cytoplasm of the cell consists of How much % of water
(A) 30%
(B) 20%
(C) 50%
(D) 80%
Ans. D
32. Which cell is the longest in the Human Body
(A) Muscle cells
(B) Nerve cells
(C) Bone cells
(D) gland cells
Ans. B
33. Which of the following statements is True about the Nucleus
(A) It is absent in prokaryotes
(B) It is called the brain of the cell
(C) It contains DNA and other genetic materials.
(D) All of the above
Ans. D
34. Name the process in which the Ingestion of material by the cells is Done through the plasma membrane
(A) Egestion
(B) Diffusion
(C) Osmosis
(D) Endocytosis
Ans. D
35. Cells can communicate with one Another via
(A) Chemical messengers
(B) Hormone
(C) Gap junctions
(D) All of these
Ans. D
36. The resting potential membrane is Determined by
(A) Potassium-ion gradient
(B) Sodium-ion gradient
(C) Bicarbonate-ion gradient
(D) None
Ans. A
37. The liquid found inside a cell is
(A) Cytosol
(B) Centrioles
(C) Centrosome Matrix
(D) Microfilament
Ans. A
38. Site which serves as the synthesis and Assembly of ribosomes
(A) Peroxisome
(B) Plasma membrane
(C) Chromatin
(D) Nucleolus
Ans. D
39. Which of the following cell organelles Is present in animal cells and absent in Plant cells
(A) Nucleus
(B) Centrosome
(C) Golgi bodies
(D) All of the above
Ans. B
40. This organelle functions in cellular Respiration
(A) Mitochondria
(B) Lysosome
(C) Endoplasmic reticulum
(D) Golgi apparatus
Ans. A
41. This area of the cell is à thin flexible Layer that separates fluid into Intracellular and extracellular fluid
(A) Plasma membrane
(B) Nucleolus
(C) Chromatin
(D) Peroxisome
Ans. A
42. Distribution of intrinsic proteins in The plasma membrane is
(A) Random
(B) Symmetrical
(C) Asymmetrical
(D) None
Ans. C
43. The endoplasmic reticulum functions To
(A) Transport materials
(B) Destroy old cell parts
(C) Make ribosomes
(D) Package proteins
Ans. A
44. A cell without a cell wall is termed as
(A) Tonoplast
(B) Protoplast
(C) Symplast
(D) Apoplast
Ans. B
45. The liquid found inside a cell is
(A) Cytosol
(B) Centrioles
(C) Centrosome Matrix
(D) Microfilament
Ans. A
46. Which of the following are the basic categories of chemical signalling found In multicellular organisms
(A) Paracrine signalling
(B) Autocrine signalling
(C) Endocrine signalling
(D) All of the above
Ans. D
47. Which structure is responsible for fat Metabolism
(A) Smooth endoplasmic reticulum
(B) Plasma membrane
(C) Nucleus
(D) Enzyme
Ans. A
48. Which organelle is particularly important for the synthesis, folding, modification, and transport of proteins Within the cell
(A) The endoplasmic reticulum
(B) The mitochondria
(C) The nucleus
(D) In the vacuoles
Ans. A
49. Which organelle is responsible for Destroying worn-out cell parts
(A) Lysosomes
(B) Mitochondrion
(C) Golgi apparatus
(D) Ribosomes
Ans. A
50. The spherical structured organelle That contains the genetic material is
(A) Cell walls
(B) Ribosomes
(C) Nucleus
(D) Mitochondria
Ans. C
51. Plasmodesmata are located in narrow Areas of
(A) Cell walls
(B) Protoplasm
(C) Cellulose
(D) Nuclei
Ans. A
52. Which membrane controls what Enters and leaves the cell
(A) Mitochondrion
(B) Golgi apparatus
(C) Plasma membrane
(D) Cell membrane
Ans. D
53. Name the process in which the passage Of water goes from a region of higher concentration to a region of lower concentration through a semi-permeable membrane
(A) Diffusion
(B) Osmosis
(C) Both a and b
(D) Neither a nor b
Ans. B
54. Genetic material is contained within The of The cell
(A) Ribosomes
(B) Cytoplasm
(C) Nucleus
(D) Nucleolus
Ans. C
55. Basic function of cell membranes Contributes in
(A) Regulating the flow of material into and outside the cell
(B) Maintaining the cell shape and size
(C) Controlling all cellular activities
(D) Storing cell material
Ans. A
56. How many types of cell signalling are There
(A) 1
(B) 2
(C) 3
(D) 4
Ans. C
57. The outer boundary of the cell which Makes up the three main parts of the human cell is the
(A) Plasma membrane
(B) Cytoplasm
(C) Nucleus
(D) Enzymes
Ans. A
58. Which among the following is known As mitoplast
(A) Mitochondria without outer membrane
(B) Mitochondria without inner membrane
(C) Mitochondria without membranes
(D) Another name for mitochondria
Ans. A
59. Glycolipids in the plasma membrane Are located at
(A) Inner leaflet of the plasma membrane
(B) The outer leaflet of the plasma membrane
(C) Evenly distributed in the inner and outer leaflets
(D) It varies according to cell types
Ans. B
60. Which of the following denotes the Elasticity of biomembrane in Animal Cells
(A) Extrinsic protein
(B) Intrinsic proteins
(C) Carbohydrates
(D) Lipid
Ans. D
61. Identify the correct statement For the animal cells
(A) They lack a cell wall
(B) They have an independent structure
(C) They have a definite structure
(D)They can never have chloroplast
Ans. C
62. This jellylike substance inside the Plasma membrane in which all cell Organelles are floating is
(A) Cytoplasm
(B) Tonoplasm
(C) Karyoplasm
(D) Cell sap
Ans. A
63. After transporting and modifying Proteins and lipids, the Golgi Apparatus packages them into
(A) Vesicles
(B) Vacuoles
(C) Lysosomes
(D) The Golgi apparatus
Ans. A
64. Which is found in the centre of the cell And controls cell activity
(A) Nucleus
(B) Mitochondria
(C) Cytosol
(D) Ribosomes
Ans. A
65. What separates the nucleus from the cytoplasm of the cell
(A) The cytosol
(B) The nucleolus
(C) The nuclear envelope
(D) Mitochondria
Ans. C
66. Which of the following signal molecules Is NOT used for extracellular signalling
(A) Autocrine
(B) Endocrine
(C) Paracrine
(D) Cyclic AMP
Ans. D
67. Which of the following is a single Membrane-bound organelle
(A) Vacuole
(B) Golgi Apparatus
(C) Endoplasmic Reticulum
(D) All of the above
Ans. D
68. Which of the following organelles Could be described as “a compartment Filled with water containing inorganic And organic molecules
(A) A vacuole
(B) A ribosome
(C) A lysosome
(D) A cell
Ans. A
69. Lysosomes are known as “suicidal Bags” because
(A) Parasitic activity
(B) Presence of food vacuole
(C) Hydrolytic activity
(D) Catalytic activity
Ans. C
70. Which organelle digests other, worn-Out organelles, as well as food Particles and engulfed viruses and Bacteria
(A) The lysosomes
(B) The mitochondria
(C) The vacuoles
(D) Golgi apparatus
Ans. A
71. Which area of the cell surrounds the Nucleus and regulates the passage of Substances from the nucleus
(A) Mitochondria
(B) Chromatin
(C) Microtubules
(D) Nuclear envelope
Ans. D
72. Cell theory does not apply to
(A) Virus
(B) Microorganisms
(C) Fungi
(D) Algae
Ans. A
73. Where are the cell’s chromosomes Stored
(A) In the endoplasmic reticulum
(B) In the nucleus
(C) In the vacuoles
(D) The Golgi apparatus
Ans. B
74. Components of 70 S ribosomes are
(A) 50 S and 30S
(B) 50 S and 20 S
(C) 40 S and 40S
(D) 40 S and 30 S
Ans. A
75. Which is involved in the synthesis of Phospholipids
(A) Mitochondria
(B) Cytoplasm
(C) Endoplasmic Reticulum
(D) Smooth Endoplasmic Reticulum
Ans. D
76. Glycocalyx is associated with
(A) Cell wall
(B) Plasma membrane
(C) Nucleus
(D) Ribosomes
Ans. B
77. Which structure is Located within the Nucleus, it is responsible for producing Ribosomes
(A) Centrosome
(B) Nucleolus
(C) Lysosome
(D) Endoplasmic reticulum
Ans. B
78. The membrane around the vacuole is Called
(A) Vacuoplast
(B) Leucoplast
(C) Cytoplast
(D) Tonoplast
Ans. D
79. Cell was discovered by
(A) Leeuwenhoek
(B) Robert Hooke
(C) Robert Swanson
(D) Robert Brown
Ans. B
80. Cell division is also known as.
(A) Interphase
(B) Meiosis
(C) Mitosis
(D) Replication
Ans. C
81. Name the process in which the membrane of a vesicle can fuse with The plasma membrane and extrude its Contents to the surrounding medium
(A) Exocytosis
(B) Endocytosis
(C) Osmosis
(D) Diffusion
Ans. A
82. Which organelle acts as an assembly line where proteins are synthesized From RNA
(A) Lysosomes
(B) The Golgi apparatus
(C) Ribosomes
(D) Vacuoles
Ans. C
83. Which helps to form the cytoskeleton Of the cell
(A) Vaults
(B) Mitochondria
(C) Microfilaments
(D) Nuclear Envelope
Ans. C
84. Protein iceberg in the sea of lipids’. This statement was used as a protein iceberg in the sea of lipids’. This statement was used for
(A) Unit membrane model
(B) Sandwich model
(C) Fluid mosaic model
(D) Danielle's model
Ans. C
85. Which Organelle is called a ‘protein factory
(A) Mitochondria
(B) Ribosomes
(C) Chloroplast
(D) Lysosomes
Ans. B
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