Mr .Mahesh chouudhary
Emergency medicine
Aiims
1. The cell membrane proteins function as all of the following EXCEPT:
A. Transporter B. Ligand C. Receptor D.
Channels
2. The carbohydrate attachment to the peripheral proteins on the outer surface of the
plasma membrane shows all of the following EXCEPT:
A. Antigenicity
,B. Surface electrical charge
C. Intercellular connections
D. Carrier
3.Endoplasmic reticulum in a cell performs all of the following functions EXCEPT:
A. Granular endoplasmic reticulum shows protein synthesis
B. In the skeletal and cardiac muscle granular endoplasmic reticulum forms sarcoplasmic reticulum
C. Lipid and steroid synthesis occur in the smooth endoplasmic reticulum
D. In the granular type endoplasmic reticulum translation of mRNA occurs on the ribosomes
4. Peroxisomes functions include:
A. Transport
B. Packaging
C. Detoxification
D. Lipid synthesis
5. Which of the following cell organelles is responsible for producing adenosine
triphosphate (ATP), the energy currency of the cell?
A. Endoplasmic reticulum
B. Mitochondria
C. Lysosomes
D. Golgi apparatus
E. Peroxisomes
F. Ribosomes
6.The protein which is attached to the basal lamina and between cells include:
A. Microfilaments
B. Cell adhesion molecules
C. Microtubules
D. Molecular motors
7. The process of pinocytosis does not include the entry of which of the following into the
cell?
A. Viruses B. Growth factors C.Bacteria D.
Insulin
8. Which of the following does not require a channel protein for its transport?
,A. Oxygen B. Sodium C. Water D.
Chloride
9. Which of the following would decrease the rate of diffusion of substance across cell
membrane?
A. Increase in temperature
B. Increase in membrane permeability
C. Decrease in molecular size
D. Decrease in concentration gradient
10. In the experiment illustrated in part A of the figure 2, equal volumes of solutions X, Y, and
Z are placed into the compartments of the two U-shaped vessels shown. The two compartments
of each vessel are separated by semipermeable membranes (i.e., impermeable to ions and large
polar molecules). Part B illustrates the fluid distribution across the membranes at equilibration.
Assuming complete dissociation, identify each of the solutions shown.
Solution X Solution Y Solution Z
A. 1 M CaCl2 1 M NaCl 1 M glucose
B. 1 M glucose 1 M NaCl 1 M CaCl2
C. 1 M NaCl 2 M glucose 3 M CaCl2
D. 2 M NaCl 1 M NaCl Pure water
E. Pure water 1 M CaCl2 2Mglucose
11. In cotransport, the solutes are transported by:
A. Diffusion
B. Facilitated diffusion
C. Active transport
D. Counter transport
12. Which one of the following is an example of transport against electrochemical gradient?
A. Diffusion
B. Facilitated diffusion
C. Active transport
D. Secondary active transport
13. Channels in the cell membrane are formed from:
, A. Peripheral protein
B. Integral protein
C. Glycoprotein
D. Bilipid layer
14. The example of secondary active transport includes:
A. Sodium B. Water C. Chloride D.
Glucose
15. The plasma oncotic pressure is due to the presence of:
A. Sodium chloride B. Glucose C. Albumin D.
Fibrinogen
16. The plasma osmolality is due to all of the following EXCEPT:
A. Urea B. Glucose C. NaCl D. Albumin
17. Which one of the following is not an example of counter transport?
A. Na+ - Glucose
B. Na+ - Ca++
C. HCO3 - - Cl -
D. Na+ - K+
18.Simple diffusion and facilitated diffusion share which of the following characteristics?
A. Can be blocked by specific inhibitors
B. Do not require adenosine triphosphate (ATP)
C. Require transport protein
D. Saturation kinetics
E. Transport solute against concentration gradient
19. What is the osmolarity of a solution containing 10 mM NaCl, 5 mM KCl, and 10 mM CaCl2
(in mOsm/L)?
A. 20 B. 40 C. 60 D. 80
E. 100
Emergency medicine
Aiims
1. The cell membrane proteins function as all of the following EXCEPT:
A. Transporter B. Ligand C. Receptor D.
Channels
2. The carbohydrate attachment to the peripheral proteins on the outer surface of the
plasma membrane shows all of the following EXCEPT:
A. Antigenicity
,B. Surface electrical charge
C. Intercellular connections
D. Carrier
3.Endoplasmic reticulum in a cell performs all of the following functions EXCEPT:
A. Granular endoplasmic reticulum shows protein synthesis
B. In the skeletal and cardiac muscle granular endoplasmic reticulum forms sarcoplasmic reticulum
C. Lipid and steroid synthesis occur in the smooth endoplasmic reticulum
D. In the granular type endoplasmic reticulum translation of mRNA occurs on the ribosomes
4. Peroxisomes functions include:
A. Transport
B. Packaging
C. Detoxification
D. Lipid synthesis
5. Which of the following cell organelles is responsible for producing adenosine
triphosphate (ATP), the energy currency of the cell?
A. Endoplasmic reticulum
B. Mitochondria
C. Lysosomes
D. Golgi apparatus
E. Peroxisomes
F. Ribosomes
6.The protein which is attached to the basal lamina and between cells include:
A. Microfilaments
B. Cell adhesion molecules
C. Microtubules
D. Molecular motors
7. The process of pinocytosis does not include the entry of which of the following into the
cell?
A. Viruses B. Growth factors C.Bacteria D.
Insulin
8. Which of the following does not require a channel protein for its transport?
,A. Oxygen B. Sodium C. Water D.
Chloride
9. Which of the following would decrease the rate of diffusion of substance across cell
membrane?
A. Increase in temperature
B. Increase in membrane permeability
C. Decrease in molecular size
D. Decrease in concentration gradient
10. In the experiment illustrated in part A of the figure 2, equal volumes of solutions X, Y, and
Z are placed into the compartments of the two U-shaped vessels shown. The two compartments
of each vessel are separated by semipermeable membranes (i.e., impermeable to ions and large
polar molecules). Part B illustrates the fluid distribution across the membranes at equilibration.
Assuming complete dissociation, identify each of the solutions shown.
Solution X Solution Y Solution Z
A. 1 M CaCl2 1 M NaCl 1 M glucose
B. 1 M glucose 1 M NaCl 1 M CaCl2
C. 1 M NaCl 2 M glucose 3 M CaCl2
D. 2 M NaCl 1 M NaCl Pure water
E. Pure water 1 M CaCl2 2Mglucose
11. In cotransport, the solutes are transported by:
A. Diffusion
B. Facilitated diffusion
C. Active transport
D. Counter transport
12. Which one of the following is an example of transport against electrochemical gradient?
A. Diffusion
B. Facilitated diffusion
C. Active transport
D. Secondary active transport
13. Channels in the cell membrane are formed from:
, A. Peripheral protein
B. Integral protein
C. Glycoprotein
D. Bilipid layer
14. The example of secondary active transport includes:
A. Sodium B. Water C. Chloride D.
Glucose
15. The plasma oncotic pressure is due to the presence of:
A. Sodium chloride B. Glucose C. Albumin D.
Fibrinogen
16. The plasma osmolality is due to all of the following EXCEPT:
A. Urea B. Glucose C. NaCl D. Albumin
17. Which one of the following is not an example of counter transport?
A. Na+ - Glucose
B. Na+ - Ca++
C. HCO3 - - Cl -
D. Na+ - K+
18.Simple diffusion and facilitated diffusion share which of the following characteristics?
A. Can be blocked by specific inhibitors
B. Do not require adenosine triphosphate (ATP)
C. Require transport protein
D. Saturation kinetics
E. Transport solute against concentration gradient
19. What is the osmolarity of a solution containing 10 mM NaCl, 5 mM KCl, and 10 mM CaCl2
(in mOsm/L)?
A. 20 B. 40 C. 60 D. 80
E. 100
