TRANSPORT OF MATERIALS THROUGH THE CELL MEMBRANE 

1-       Which of the following molecule can not pass through the cell membrane ?

a) Glucose              b) Vitamin             c) Starch

d) Aminoacid                e) Water

 

2-       The concentration of potassium ion ( K ) in muscle cells is higher than in the blood , but muscle cells continue to take  in potassium ions from the blood.  Which way is used in this proces ?

a) Diffusion           b) Osmosis           c) Active transport        

 d) Pinocytosis         e) Phagocytosis

 

3-       For which of the following processes  a cell does not use energy ?

a) Osmosis- Diffusion             b) Diffusion- Pinocytosis

c) Phagocytosis- Pinocytosis    d) Active transport Phagocytosis                                                 e) Active transport- Osmosis

 

4-

                  

                                                

    20%  Water    15%                                  8%      3% Glucose   

I                                                                                       II                                                                                                                 

                                     4 %

                                    CO2                                            

 

 

 


 

                                      2%  III

                                  

                                        

In the above figure the amount of materials inside and outside of a cell is given. What do  I , II and  III  represent ?

           I                           II                                  III        

a) Diffusion         Active transport                Osmosis

b) Diffusion             Osmosis                  Active transport

c) Osmosis               Diffusion                 Active transport

d) Osmosis          Active transport               Diffusion

e) Active transport    Osmosis                     Diffusion

 

5-         I-  CO2      II-  NaCl         III-  H2         IV-  H2O

Set up in order the above according to their entering through cell membrane. ( from easiest to most difficult )

 ( C= 12  ,   H= 1 ,  O= 16  ,  Cl= 35  ,  Na= 23 )

a) I-II-III-IV         b) IV-III-I-II           c) IV-III-II-I       

       d) I-III-IV-II            e) III-II-I-IV

 

6-       Which of the following molecules can not pass through cell membrane by diffusion ?

a) Iodine   b) Glucose   c)Vitamin    d)Sucrose     e) Water

 

7-       Which of the following molecule can pass through the cell membrane?

a)Lipid     b)Water     c) Maltose    d)Starch    e) Protein       

 

8-       By which of the following can movement of materials across cell membrane be accomplished ?

I-Active transport    II-Diffusion       III-Pinocytosis

a)  I       b) II       c) III       d) I II       e) I II III

 

 

 

 

 

 

9-       Active transport of molecules an animal cell membrane is accomplished through the use of

a)mRNA     b)tRNA   c)DNA   d)Energy   e)Ribose sugar

 

10-    Energy is used in

a)Diffusion    b)Osmosis   c)Active transport   d)DNA  e) RNA

 

11-    -----------------  is diffusion of water.

a) Diffusion           b) Osmosis           c) Active transport          d) Pinocytosis         e) Phagocytosis

 

12-    Which of the following is not property of active transport?

a) Consumption of energy           b) Enzymes are used  

c) Molecules are carried by water

d) Movement of materials from low concentration to high

 

13-    Which of the following does not take place in plant cells?

a) Diffusion           b) Osmosis           c) Active transport          d) Respiration         e) Phagocytosis

 

14-Which cell will burst firstly,if the cells are taken into pure water  or to a medium has low concentration than cytoplasm ?

a) Meristematic cell       b) Parenchymatic cell

c) Blood cell        d) Spongy cell        e) Phloem cell

 

15-  Which of the following transport mechanism does not need energy ?

a) Phagocytosis         b) Pinocytosis        c) Exocytosis           d) Diffusion         e) Endocytosis

 

16- Which of the following is not property of active transport a) Consumption of energy          b) Activation of enzymes            c) Carrier enzymes are active    

d) Susceptibility of temparature changes

e) Movement of materials from high concentration to low

 

17- You would observe plasmolysis in Elodea cells when

a) You place them in salty water

b) You place them in an isotonic solution 

c) You place them in distilled water

d) You place them in a hypotonic solution

 

18-    I-Osmotic Pressure > Turgor Pressure

II-Osmotic Pressure = Turgor Pressure

III-Osmotic Pressure < Turgor Pressure

  In a plant cell, in which of the above conditions would water uptake be excepted to increase ?

         A-I       B-II       C-I and III        D-III        E-II and III

 

19- Which of the following properties is incorrect for the plasma  membrane of eucaryotic cells ?

        A-Diffusion         B-Osmosis         C-Active Transport

             D-Pinocytosis-Phagocytosis     E-ATP synthesis

 

20) To increase of which of the following factors causes the ceasation of active transport ?

   A-Metabolic rate  B-Temperature   C-Enzyme concentration

   D-Protein synthesis         E-ATP production

 

21- Process where the cell expels wastes or objects by carring tham to plasma membrane and opening the sac is called

a) Endocytosis     b) Pinocytosis     c) Diffusion   

d) Exocytosis      e) Active transport

 

22-. The movement of molecules across a cell membrane using a membrane protein and cellular ATP energy is called

a. facilitated transport

b. diffusion

c. active transport

d. simple transport

 

23- The movement of molecules across a cell membrane using a membrane

  protein and cellular ATP energy is called

a. facilitated transport

b. diffusion

c. active transport

d. symport

e. osmosis

 

24-. The movement of molecules across a cell membrane using a membrane

   transport protein and cellular ATP energy, generally moving the

   molecules from a region of low to high concentration,  is called

a. facilitated transport

b. diffusion

c. active transport

d. simple diffusion

e. symport

 

25. Which of the following would least likely move across a cell membrane

   by simple diffusion?

a. an oxygen gas molecule

b. a small lipid molecule

c. an ionic protein molecule

d. water (H2O)

e. a potassium ion

 

26-. The cell membrane is also known as the

a. plasmalemma

b. cytolemma

c. plasma membrane

d. ALL of the above

 

27--Which one doesnt effect the rate of diffusion?

a) size of molecules

b) number of pores in the plasma memebrane

c) temperature     

d) pressure          

e) acidity(ph)

 

28--Which one cant pass through cell membrane to cell?

a) starch                b) alcohol              c) HO     d) O        e) CO

 

29--Which of following events cannot be seen in cells that make phagosytosis and pinocythosis?

a)       Huge molecules are imported

b)       Changes in plasma membrane have observed

c)       Energy is consumed

d)       Lysosomes are much in number

e)       Mostly seen in plant cells

 

30-- Energy dependent processe for cellular transport include each of the following EXCEPT

A) cytoplasmic steraming in algae                       

B)Na+ - K+ ATPase                                            

C) osmosis                                                             

D)axonal transport                                               

          E) active transport

 

31-- A cell is removed from its normal environment and place into another medium. It is then noted that the cell appears to shrink. Which term best describes the medium relative to the cell?

     A- Hypertonic

     B- Hypotonic

     C- Isotonic

     D- Osmotic                 

     E- Pinocytosis

 

32-- Salts can enter living cells by which of the following?

          1.Osmosis

         11.Diffision

        111.Active transport

(A) 1 only     (B) 2 only     (C) 1 and 2 only     (D) 2 and 3 only       (E) 1, 2 and 3

 

 

33--If you a plant which lives in the sea into a fresh water what would you observe?

A)     Plant does not make photosynthesis

B)      Respiration rate increasing

C)      Salt consentration increasing in the cell

D)      Water consentration increasing in cell

 

34- If you put plant which lives in the sea into a fresh water what would you observe?

a)       plant loses some water

b)       plant does not make photosynthesis

c)       salt concentration increases in the cell

d)       water concentration increases in the cell

e)       respiration rate increases

 

35- What is required for facilitated diffusion to occur across a plasma membrane?

A.      A carrier molecule and a concentration gradient

B.       Energy and a carrier molecule

C.       A carrier molecule only

D.      A concentration gradient only

E.       Ehergy 

 

36-.Which of the following cant be absorbed through cells of intestine

a)glucose   b)glycerol  c)fatty acid

        d)vitamins  e)enzymes

37-. Turgid cells are           

A. dehydrated      B. swollen C. wilted D. coagulated E. plasmolyzed

39-The movement of very large proteins from the extracellular space through the plasma membrane and into the cytoplasm of a cell involves process called

A.      Diffusion

B.       Active transport

C.       Passive transport

D.      Endocytosis

 

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