Cell Organelles MCQs | Cell Organelles Multiple Choice Questions(MCQs) & Answers

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Questions
1 Holoenzyme is made of
A Apoenzyme and Zymogen
B Apoenzyme and Co-enzyme
C Co-enzyme and Prosthetic group
D Prosthetic group and Co-factor

Answer: Apoenzyme and Co-enzyme
2 Blue green Algae are:
A Prokaryotes
B Eukaryotes
C Both a) and b)
D Neither a) nor b)

Answer: Prokaryotes
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3 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 Endocytosis
B Osmosis
C Diffusion
D Exocytosis

Answer: Exocytosis

Multiple Choice Questions with Answers on Cell Organelles | EBook

Multiple Choice Questions with Answers on Cell Organelles | EBook

Multiple Choice Questions with Answers on Cell Organelles | EBook

4 The jelly like substance present inside the cell is known as:
A Ectoplasm
B Nucleoplasm
C Cytoplasm
D None of the above

Answer: Cytoplasm
5 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 Neither a) nor b)
D Both a) and b)

Answer: Osmosis
6 Name the process in which the ingestion of material by the cells is done through the plasma membrane?
A Egestion
B Diffusion
C Endocytosis
D Osmosis

Answer: Endocytosis
7 Name an Organelle which serves as a primary packaging area for molecules that will be distributed throughout the cell?
A Mitochondria
B Golgi apparatus
C Vacuole
D Plastids

Answer: Golgi apparatus
8 Extrinsic system of blood clotting is initiated by
A Factor-III
B Factor-VIII
C Factor-II
D Factor-I

Answer: Factor-III
9 Homeostasis means
A Control of internal environment of the body
B Adaptation with the environment
C Constant environment of the body
D All of the above

Answer: Constant environment of the body
10 Enzymes bringing about hydrolysis of esters and peptides are :
A Transferases
B Lyases
C Hydrolases
D All of the above

Answer: Hydrolases
11 Dialysis causes
A Separation of colloids from crystalloids
B Purification of colloids
C Precipitation of colloids
D None of the above

Answer: Separation of colloids from crystalloids
12 Ultrafiltration helps in
A Formation of Glomerular filtrate
B Formation of urine
C Accumulation of proteins
D None of the above

Answer: Formation of Glomerular filtrate
13 Who discovered blood groups
A F. Galton
B Carl Linnaeus
C C. Landsteiner
D Edward Jenner

Answer: C. Landsteiner
14 Aerobic respiration is performed by :
A Glyoxisomes
B Mitochondria
C Lysosomes
D Chloroplast

Answer: Mitochondria
15 Bile reduces the surface tension and causes
A Emulsification of fat
B Digestion of fat
C Absorption of fat
D All of the above

Answer: All of the above
16 A unit membrane is about :
A 50-60 Å thick
B 60-75 Å thick
C 75-100 Å thick
D 100-120 Å thick

Answer: 75-100 Å thick
17 Coenzyme is :
A Always a protein
B Often a metal
C Always an inorganic compound
D Often a vitamin

Answer: Often a vitamin
18 Enzyme exist in the cells as-
A Solid
B Crystals
C Colloid
D None of the above

Answer: Colloid
19 An enzyme brings about :
A Reduction in activation energy
B Increase in reaction time
C Increase in activation energy
D All the above

Answer: Reduction in activation energy
20 Most accepted structural model of plasma membrane is
A Sandwitch model
B Unit membrane model
C Fluid-mosaic model
D None of the above

Answer: Fluid-mosaic model
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