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Quiz 3
Mdcat-past-papers - NUMS Quiz
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Board: NUMS |
41. Which function cannot be attributed to plasma membrane lipids?
Recognition of cells having non-self surface markers
Maintaining cell membrane flexibility
Control of metabolic reaction across the cell membrane
Binding ligands for intracellular response
42. Which one is the function of plasma membrane proteins?
Restrict entry of polar molecules
Prevention of freezing during cold weather
Movement of ions in and out of the cell
Maintenance of membrane flexibility
43. Nucleoproteins are involved in:
Cell to cell recognition
Passing hereditary information to next generation
Ensuring fast speed of nerve impulse
Acting as a cell surface marker
44. Which has a role in conduction of nerve impulse?
SER
RER
Vacuole
Lysosome
45. Mitosis, a type of cell division is observed in?
E. Coli
Blue green algae
Nostoc
Cyanobacteria
46. Follow the route of pepsinogen secreted by zymogen cells:
SER → RER → Golgi Complex → Secretory Vesicles
SER → Mitochondria → Golgi Complex → Secretory Vesicles
RER → SER → Golgi Complex → Secretory Vesicles
Golgi complex → RER → SER → Secretory Vesicles
47. The RNA found in ribosomes is:
mRNA
tRNA
rRNA
Polysome
48. Which of the following contain hydrolytic enzymes?
Vacuole
Mitochondria
Lysosome
Chloroplast
49. Cell wall is produced by which organelle?
Lysosome
Vacuole
Golgi complex
Nucleosome
50. A group of ribosomes attach to mRNA is known as polysome and the attachment is controlled by:
Na+ ions
Mg++ ions
K+ ions
Ca++ ions
51. ___ are the spherical sacs surrounded by a single membrane and contain hydrolytic enzymes.
Mitochondria
Golgi bodies
Lysosomes
Microsomes
52. Which structure of protozoan cell will play the role of mouth?
Spores
Nucleus
Cilia
Cytostome
53. A Lizard detaches from its tail when attacked by a predator. This is an example of:
Autophagy
Autotomy
Phagocytosis
Intracellular Digestion
54. In human cell, is responsible for producing hydrogen peroxide:
Lysosome
Mitochondria
Peroxisomes
Glyoxisomes
55. Turgidity in plants is maintained by:
Chloroplast
Vacuole
Mitochondria
lysosome
56. Each centriole is composed of- Microtubules:
Seven triplets
Nine triplets
Eleven triplets
Five triplets
57. Chromosomes present in the nucleus have __ function in the cell;
Hereditary
Secretory
Power house
Food synthesis
58. Select the pair of organs which contains a large number of mitochondria:
Stomach, Liver
Muscle, Stomach
Heart, Liver
Liver, muscle
59. Which of following cells does not have nucleus:
Muscle cell
Nerve cell
WBC
RBC
60. Which organelle has its own DNA?
Ribosome
Mitochondria
Lysosome
Vacuole
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