COMPETENCY TEST OF CELL

 COMPETENCY TEST OF CELL

I. Chemical compound of cell

A. True – False Questions;                                       

1.      A lipid molecule is composed of a carboxyl group, a amino group, a radical group and a hydrogen atoms around it’s central carbon atom. (    )

2.      The five-carbon compound has a special name ribose. (     )

3.      Four or more simple sugar molecules, monosaccharide, combine and form disaccharide  (    )

4.      Carbon dioxide is an organic compound because it contain carbon compound in it’s structure (   )

5.      Biosynthesis is a chemical process that is built organic molecules in the living organism.  (   )

B. Fill in the Blanks

1.      Sugar molecules can be combined together by releasing of water.This process is called  as ……………………….

2.      …………… is a protein structure that is join in the chemicals reactions and increase or decrease de the rate of chemical reactions or generate the reactions in a certain temperatures?

3.      Carbohydrates are made up of ………….., …………………. and ………………….

4.      A nucleotide is made up of three certain compounds. They are …………………………, ……………………….., and ……………………………………

5.      the excess ……………. compounds are deposited in the blood vessels and cause a disease, arteriosclerosis.

C. Multiple choose

1.      Which of the following is not a functional group of organic compounds?

a. amino group    b. carboxyl group   c. central carbon atom      d. methyl  group

2.      Which of the following is an example of polysaccharides?

a. glucose    b. maltose    c. sucrose     d. cellulose     e. fructose

3.      Proteins are very complex and exist in very many different forms. Which of the following is not an example of the countless functions of proteins?

1. They are structural part of cell
2. They give the colors of skin and eyes
3. They serve as a deposit site in the cell
4. They serve as a  antibodies to defense our body against microbes

4.      Which one is not effect the rate of chemical reactions?

1. Concentration of substrates
2. Concentration of enzymes
3. The temperatures
4. Types of organism certain reactions occurs in
5. Water

5.      How many kinds of amino acid found in all living things?

a. 10    b. 20      c. 30   d.  35        e. 40

D. Short answers

1.      What are the types of organic molecules that make up living organisms?

2.      What kinds of affections will be expected when any changes occur in the arrangement of amino acids within a protein?

3.      Write name of nucleic acid’s types?

II. STRUCTURE OF CELL

1. Which of following statements is NOT part of the cell theory ?
1. All organisms are composed of one or more cells
2. Cells come from other cells by division
3. Cells are the smallest living things
4. Eukaryotic cells have evolved from prokaryotic cell
5. Cell prokaryotic can changes to eukaryotic
2. The most  important  factor that limits the size of a cell is …..
1. The amount of proteins and organelles that can be made by cell
2. The rate of diffusion
3. The surface area to volume ratio of the cell
4. The amount of DNA in the cell
5. The rate of measure
3. All cell have all of the following, except ….
1. Plasma membrane
2. Cell wall
3. Genetic material
4. Cytoplasm
5. Ribosome
4. Eukaryotic  cell are more complex than prokaryotic cells. Which of the following would you not find in a prokaryotic cell ?
1. Cell wall
2. Plasma membrane
3. Nucleus
4. Ribosomes
5. Cytoplasm
5. All eukaryotic cells possess  each of the following except …..
1. Mitochondria
2. Cell wall
3. Cytoskeleton
4. Nucleus
5. Mesosome
6. Look at the picture below!

Number 1,2 and 3 there are ….                                                                               

a..nuclear envelope, nucleolus, ER

b. ER,mitochondria,nucleus

c. nuclear envelope,ER, nucleolus

d. nuclear pores,ER,mitochondria                                                                       

e. nuclear pores,ER,sentriole

                                                                                                                                      

                                                                                                                                 

7. Which of the organelles is NOT associated with the production of proteins in a cell?
1. Ribosomes
2. Smooth endoplasmic reticulum (ER)
3. Rough endoplasmic reticulum (ER)
4. Golgi apparatus
5. Lysosomes
8. Protein can move from the Golgi apparatus to ….
1. The extracellular  fluid
2. Transport vesicles
3. Lysosomes
4. Mitochondria
5. Cell wall
9. Lysosomes function to ….
1. Carry proteins to the surface of the cell
2.  Make  proteins
3. add short-chain carbohydrates to make glycoprotein
4. break down organelles, proteins and nucleic acid
5. remove electrons and hydrogen atom from hydrogen peroxide
10. What do chloroplast and mitochondria have in common?
1. Both are present in animal cells
2. Both have an outer membrane and an elaborate inner membrane
3. Both are present in all eukaryotic cells
4. Both organelles function to produce glucose 
5.    Both organelles function to produce protein

11. Animal cells connect to the extracellular matrix through….

1. Glycoprotein
2. Integrins
3. Fibronectin
4. Collagen
5. Fibrinogen

12.Animal and plant cells have similarities that is both have organelles that function to control all of cell activity. There are….

1. Nucleus
2. Ribosomes
3. Cell membrane
4. Protoplasm
5. Golgy apparatus

13.The part of cell that is only  found in plant and it’s not found in animal cells is ….

a.       Cell wall

b.      Cell membrane

c.       Nucleolus

d.      Chromatin thread

e.       Centriole   

 14. The main difference between plant and animal cells is ….

a.       In plant cells are found chloroplast, plastid and cell membrane, while in animal there are not

b.      In plant cells are found permanent vacuole, peroxisome, while in animal there are not

c.       In plant cells are found permanent vacuole,cell wall, while in animal there are not

d.      In plant cells are found centriole, plastid and cell wall, while in animal there are not

e.       In plant cells are found permanent vacuole,central lamella and ribosome, while in animal there are not

15. What type of transport process helps the movement of a solute down a concentration gradient across the plasma membrane with the assistance of carrier proteins?

a.       Facilitated diffusion

b.      Active transport

c.       Simple diffusion

d.      Osmosis

16.Which of the following is true about the absorption of fructose in the small intestine?

a     Fructose moves across the membrane by active transport

b.      There is a lower concentration of fructose inside the cells lining the small intestine than outside

c.        Special carrier proteins are required for the absorption of fructose

d.         Energy is required for the absorption.

17.Usually how many plasma membranes must a molecule of oxygen passes through from the alveolus before reaching the inside of a red blood cell?

                   a.1

                   b.2

                   c.3

                   d.5

18.Which of the processes given is responsible for the movement of carbon dioxide and water into the plant cells for photosynthesis?

a.diffusion and facilitated diffusion

b.facilitated diffusion and active transport

c. osmosis and active transport

d. diffusion and osmosis
19.Sodium potassium ion pumps found in the plasma membrane of nerve cells are good examples of …

                                                           a.      acilitated diffusio

                                                            b.      active transport

                                                             c.      osmosi

                                                            d.      simple diffusion

20.  In which animal cells would Golgi apparatus be most abundant?
A	ciliated epithelial cells
B	goblet cells
C	red blood cells
D	smooth muscle cells

21. Which structure is not part of the endomembrane system?
       a. nuclear envelope
       b. chloroplast
       c. Golgi apparatus
       d. plasma membrane
        e. ER
22. Which structure is common to plant and animal cells?
       a. chloroplast
       b. wall made of cellulose
       c. central vacuole
      d. mitochondrion
      e. centriole
23. Which of the following is present in a prokaryotic cell?
a. mitochondrion
b. ribosome
c. nuclear envelope
d. chloroplast
e. ER
24. Which structure-function pair is mismatched?
a. nucleolus; production of ribosomes subunits
b. lysosome; intracellular digestion
c. ribosome; protein synthesis
d. Golgi; protein trafficking
e. microtubule; muscle contraction
25. Cyanide binds to at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most of the cyanide will be found within the
a. mitochondria.
b. ribosomes.
c. peroxisomes.
d. lysosomes.
e. endoplasmic reticulum.
26. What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?
a. ER → Golgi → nucleus
b. Golgi → ER → lysosome
c. nucleus → ER → Golgi
d. ER → Golgi → vesicles that fuse with plasma membrane
e. ER → lysosomes → vesicles that fuse with plasma membrane

27. Which cell would be best for studying lysosomes?
a. muscle cell
b. nerve cell
c. phagocytic white blood cell
d. leaf cell of a plant
e. bacterial cell
28. In what way do the membranes of a eukaryotic cell vary?
a. Phospholipids are found only in certain membranes.
b. Certain proteins are unique to each membrane.
c. Only certain membranes of the cell are selectively permeable.
d. Only certain membranes are constructed from amphipathic molecules.
e. Some membranes have hydrophobic surfaces exposed to the cytoplasm, while others have hydrophilic surfaces facing the cytoplasm.
29. According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly
a. spread in a continuous layer over the inner and outer surfaces of the membrane.
b. confined to the hydrophobic interior of the membrane.
c. embedded in a lipid bi layer.
d. randomly oriented in the membrane, with no fixed inside outside polarity.
e. free to depart from the fluid membrane and dissolve in the surrounding solution.

 III. TRANSPORT THROUGH CELL MEMBRANE

1.  What type of transport process helps the movement of a solute down a concentration gradient across the plasma membrane with the assistance of carrier proteins?

a.       Facilitated diffusion

b.      Active transport

c.       Simple diffusion

d.      Osmosis

2.  Which of the following is true about the absorption of fructose in the small intestine?

a.        Fructose moves across the membrane by active transport

b.      There is a lower concentration of fructose inside the cells lining the small intestine than outside

c.        Special carrier proteins are required for the absorption of fructose

d.         Energy is required for the absorption.

3.      Usually how many plasma membranes must a molecule of oxygen passes through from the alveolus before reaching the inside of a red blood cell?

a.       1

b.      2

c.       3

d.      5

4.      Which of the processes given is responsible for the movement of carbon dioxide and water into the plant cells for photosynthesis?

a.diffusion and facilitated diffusion

b.facilitated diffusion and active transport

c. osmosis and active transport

d. diffusion and osmosis

5.      Sodium potassium ion pumps found in the plasma membrane of nerve cells are good examples of …

a.       facilitated diffuse

b.      active transport

c.       osmosis

d.      simple diffusion

6.      Metabolic waste from the fetus is excreted through the placenta into the mother's circulatory system by simple diffusion.  An example of the metabolic wastes is

a.       Oxygen

b.      Glucose

c.       Carbon dioxide

d.      excess waste

7.Potassium ions are able to move inside a nerve cell across the plasma membrane because of

a.    potassium ions are small

b.      potassium ions are positively charged

c.       energy provided by the nerve cell

d.      there are more potassium ions outside than inside

8.   What property must a drug have to be able to move quickly across the plasma membrane of the cells lining the small intestine?

a.          soluble in water

b.         small and positively charged

c.          small and negatively charged

d.         soluble in lipid

9.         Which of the following does not use the selective permeability of the plasma membrane?

a.          The sending of messages by nerve cells

b.         The absorption of minerals by root hairs of plants

c.          The movement of carbon dioxide into the leaves through the stoma

d.         The transport of oxygen from the lungs to the muscle cells.

10.     Which of the following does not play any role in affecting the permeability of the plasma membrane?

a.             Structure of the plasma membrane

b.            Presence of carrier proteins in the plasma membrane

c.             Concentration gradient across the plasma membrane 

d.      Structure of the cytoplasm