|
|
ORGANIC
1-Which of the following organic compound is not used as an energy source ?
a)Vitamin b)Glucose c)Aminoacid d)Glycogen e) Starch
2-Which of the following organic compound is made of only one type of unit ?
a)Protein b)Dipeptide c)Glycogen d)Sucrose e)Lipids
3- I- Carbohydrates II- Lipids III- Proteins
Give the correct order of energy production if 1gr. of above molecules in broken down ?
a)Lipid-Protein-Carbohydrates b)Lipid-Carbohydrates-Protein c)Carbohydrate-Protein-Lipid d)Carbohydrates-Lipids-Proteins e) Protein-Lipids-Carbohydrates
4-Which of the following molecule is produces by photosynthesis
a)Glucose b)Aminoacid c)Lipid d) Protein e) Fat
5-Which of the following compounds has\have a COOH group ?
a)Lipid b)Carbohydrates c)Aminoacid-Fatty acid
d) Protein e) Maltose
6-Nitric acid is indicator of
a)Glucose b) Starch c) Glycogen d) Protein e) Chitin
7-Ester bond is found in
a)Vitamin b)Lipid c)Protein d)Glycogen e) Fatty acid
8-Which of the following formula show a carbohydrate ?
a) C57H110O6 b) C12H18N4O2S c) C51H98O6
d) ( CH2O )n e) C17H20N4O6
9-Which of the following element is not found in structure of organic compounds ?
a) H b) O c) P d) S e) R group
10- Which of the following does not play role in the differentiation of molecular structure of protein ?
a)Location of aminoacid b)Amount of aminoacid in protein c)Variety of aminoacid d)Type of bond between aminoacids e) Order of aminoacids in protein
11- Which of the following is balanced with hormone in human body ?
a)Aminoacid b)Vitamin c)Glycogen d) Glucose e)Fatty acid
12-When two glucose molecules(C6H12O6)are combined to form a molecule of maltose.The formula of maltose isnt C12H24O12 because
a)Hydrolysis takes places b)Dehydration takes places c)Transpiration takes places d)Water is added
e)Polypeptides are formed
13- Which of the following formula show a protein ?
a) C12H22O11 b) C6H12O6 c) C17H35COOH
d) ( CH2O )n e) C708H1130O224N180S4
14- Which of the following compounds has\have a COOH group?
I- Carbohydrates II- Lipid III- Protein
a) I b) II c) I III d) II-III e) I II III
COMPOUNDS
15-Carbohydrates are organic compounds containing C , H and O; in which the H and O occur in the same ratio as in water.
Which one is carbohydrates ?
a) C57H110 O6 b) C12H18N4O2S c) C51H98O6 d) ( CH2O )n e) C17H20N4O6
16- All of the following organic compounds are carbohydrates EXCEPT
a)Lactose b) Glucose c)Galactose d)Glycerol e)Glycogen
17- Cellulose is participate structure of
a)Cell membrane b)Cell wall c)E.R d)Protein e)Animal cell
18- A chain of bonded aminoacid molecules forms an organic compound called a
a) Polynucleotide b) Polypeptide c) Polysaccharide d) Polyploid e) Polyamine
19- Protein contains
a) S b) Mg c) Fe d) Hg e) Na
20- Glycogen is stored
a) Stomach b) Brain c) Liver d) Heart e) Leg
21- Two aminoacids are linked by peptide bond and formed
a)Polypeptide b)Protein c)Polynucleotide d)Dipeptide e)None
*22- I-Carbohydrates II-Lipid III- Protein IV-Vitamins
Which of the above organic molecule is/are synthesized under
the control of DNA ?
a) I II b) II IV c) I d) I IV e) IV
*23- Which of the following molecule is susceptible to
temparature changes in human body ?
a) Water b) Protein c) Minerals d) Lipid e) Glucose
24-Which of the following molecule is produced by all organisms ?
a) Aminoacid b) Lipid c) Glucose d) Protein e) Fat
25-Which of the following organism can produce unsaturated lipid
a) Human b) Cow c) Corn d) Camel e) Dog
26- Which of the following molecule can produce in labrotory ?
a) Vitamin b) Protein c) Glucose d) Lipid e) Starch
27- Benedict solution is indicator of
a) Protein b) Starch c) Glucose d) Lipid e) Maltose
28- Peptide bond is found in
a) Vitamin b) Protein c) Glucose d) Lipid e) Starch
29- Glycosidic bond is found
a) Vitamin b) Protein c) Glucose d) Lipid e) Starch
30- Which of the following vitamin is water soluble ?
a) D b) E c) K d) C e) A
31- Which of the following molecule does not function as a regulator in the body ?
a)Hormones b)Vitamins c)Enzymes d)Water e) Glucose
32- Which of the following is not found in animal cell ?
a) Starch b) Protein c) Lipid d) Glucose e) Glycogen
33- Which of the following is not found in plant cell ?
a) Starch b) Protein c) Lipid d) Glucose e) Glycogen
34- Which is not a disease caused by vitamin deficiency ?
a) Beriberi b) Scurvy c) Peptic ulcer
d) Rickets e) Night blindness
*35- Breakfast : Tea with sugar, three pieces of bread and jam
Lunch : Beans, pinckle, dessert
Dinner : Pie, potatoes, dessert
If a man ingest the foodstuffs above, which of the following molecules is expected to be present in greater quantity in the blood ?
a)Glucose b)Glycerol c)Minerals d)Aminoacid e)Fatty acid
*36-Which of the following differs structurally from the others?
a)Starch b)Cellulose c)Glycogen d) Maltose e) Fructose
*37- Some properties of lipids found in animals are given below
I-They take role in the conservation of body temperature
II- They participate in membrane of cells
III- They are primary source of energy
IV- They provide the fluidity of membranes
Which of the above are correct ?
a) I b) II c) I II IV d) I II III e) I II III IV
*38- Which of the following groups make all the aminoacids differ from each other ?
a) NH2 b) COOH c) R group d) H e) CO2
*39- I-Protein II-Carbohydrates III-Lipids IV-Vitamins
Which of the above organic molecules is/are coded by other structures?
a) I II b) II IV c) I d) I IV e) IV
40- In a protein synthesis reaction, if 453 aminoacids are used . How many water molecule must be formed ?
a) 452 b) 453 c) 451 d) 454 e) 455
41- The day before an important athletic event, many athletes will try to eat mostly
a) Lipids b) Proteins c) Carbohydrates d) Amino acids
42- Glycogen and starch are ultimate source of energy for living things. Both are composed of glucose molecules bonded by a-1,4 and a-1,6 glycosidic linkage.
Which of the following statements about these two molecules are correct ?
A-Glucose molecules are bound by glycosidic linkage
B-Glycogen is more branched as compared to starch
C-The number of glucose molecules in their structure may vary
D-Starch is insoluble in water
E-Both are synthesised by the same enzyme
43- In a green plant the following molecules are synthesised;
I.Chlorophyll II.Cellulose III.Starch
IV.Nucleic acids V.ATP
In which of these combinations is nitrogen not required ?
A-I and II B-II and III C-III and IV
D-I,IV and IV E-III and V
44-Examine the features listed below.
I-Diffusion through the plasma membrane
II-regulatory properties
III-participation to the structure of an enzyme
Which of the following molecules are capable of all of the features ?
a)Lipid B-Protein C-Vitamin
D-Nucleic acid E-Carbohydrate
45-Which of the molecules listed below is not synthesised in cells ?
A-Carbohydrates B-Vitamin C-Proteins
D-Lipids E-Minerals
46-Which of the following organic molecules is present in all cells?
A-Starch B-Cellulose C-Glycogen D-Maltose E-Protein
47-A solution is prepared containing equal amounts of sucrose, maltose and lactose.
Which of the following organic molecules becomes more concentrated when the molecules above are hydrolysed?
A-Glucose B-Sucrose C-Glactose
D-Fructose E-Pentose
48-Examine the list of disorders caused by a lack of a particular vitamin and the food source used for its treatment.
I-Liver-Night Bblindness
II-Lemon-Scurvy
III-Rice-Beriberi
IV-Meat,Milk-Pellagra
Which of the following combinations of vitamins correctly describes the vitamin associated with the disease?
I II III IV
A- a c b k
B- k c b a
C- b c d k
D- a b k c
E- a c d k
49-The following table shows the name of a monosaccharide that polymerises to form a disaccharide and then polysaccharide.
Monosaccharide Disaccharide Polysaccharide
I GLUCOSE FRUCTOSE STARCH
II GALACTOSE GLUCOSE GLYCOGEN
III GLUCOSE FRUCTOSE CELLULOSE
IV GLUCOSE SUCROSE STARCH
V FRUCTOSE GALACTOSE GLUCOSE
Which of the combinations listed is/are correct ?
A-I and III B-III,IV and V C-ONLY IV
D-ONLY II E-II,III and V
50-Which of the following organic compaunds is not paired with its moment?
A- protein / amino acid B- starch / glucose
C- glycogen / glucose D- cellulose / glucose
E- maltose / galactose
51-Which of the following is/are not a prperty of protein?
I-composition of C,H,O,N and S molecules
II-participation to the structure of an organizm
III-enzymes and some hormones are proteınaeous
IV-ability to provide an energy source in emergencies
V-the presence of ester bonds within their structure
A-I II B-II III C-III IV D-ONLY V E-III V
52- I-Glycogen synthesis
II-Starch synthesis
III-Glucose catabolisation
IV-Protein synthesis
Whic of the processes listed above is/are not performed in an animal cell?
A-I and III B-III C-II D-III and IV E-IV
53- A structural carbohydrates especially found in the cell walls in plants is called;
a) Cellulose b) Starch c) Glycogen d) Protein e) Fatty acids
54- Which of the following pairing is in correct?
a) Fats : Lipid that are important energy storage molecules
b) Peptide bond:Link formed between aminoacids
c) Sucrose :Commonly called table sugar
d) Phospholipids:Important components of the cell membrane
e) Starch : Storage form of glucose molecules that is found animal cell
NUTRİTİON
1)I Carbohydrate
II Fatty acids
III Amino acid
IV Water and minerals
V Vitamins
Which of the organic molecules above are necessary for the life activites of cells?
a) I-II b) I-II-III c) II-III-IV d)I-II-III-IV-V
e) III-IV-V
2) People who ingest high amounts of carbohydrates and fatty nutrients may have which of the following?
I. An increased need for protein
II. Formation of CO2 and H2O after phosphorylation
III. An increased rate of removal of nitrogenus waste
IV. An increased rate of deamination
a) I-II b) II-III c) III-IV d) II-IV e)I-IV
3) Why do people who eat a lot of bread put on weight?
a) They hydrolyse glucose into CO2 and H2O
b) They convert glucose into amino acid
c) They convert excessamounts of glucose intoglycogen in the liver
d) They store excess amount of glucosevas lipids
e) They store glucose as protein
4) What is the common porperty of lipids,carbohydrates and proteins?
a) They have the some rate of absorbtion
b) They can be converted into energy
c) They contein nitrogen
d) They are absorbed into capilaries
e) They can not interchange
5) What is the difference between vitamins, carbohydrates,lipids and proteins?
a)They pass into the blood without digestion
b) They contain carbon, hydrogen and oxygen
c) They are synthesized in the body
d)Excess amount of vitamins are used as an energy source
e)Excess amounts are converted into fat
6) Which of the following minerals is effective in blood clotting?
a) Na b) Ca c) K d) I e) Fe
7) Which digested materials can be found in the alimentary tract of a person who has eaten a balanced meal ?
a) Polysaccharides-Aminoacids-Fatty acid-Glycerol
b) Glucose-Aminoacids-Fat-Glycerol
c) Aminoacid-Fatty acids-Glycerol-Starch
d) Glucose-Aminoacids-Fatty acids-Glycerol
e) Protein-Glycogen-Fatty acid-Glycerol
8- In a deficiency of vitamin D, the level of which of the following substances changes?
a) Na-Ca b) Na-K c) Mg-Fe d) Ca-K e) N-I
9- What is the common property of vitamin C and B ?
a) They are stored in the body
b) They are water soluble
c) Excess amounts are removed from the body
d) They have the same function
e) They are founds in the same nutrients
10- In nature the main source of vitamins are plants. Besides vitamin taken from plants, some vitamins are synthesized in the intestine of humans and animals by some bacteria.
What are these vitamins?
a) A B b) B-K c) D-B d) B-C e) B-E
11- Which of the following are present in nucleic acids?
a) Fe-Mg b) P-Ca c) I-Na d) P-N e) Na-K
12- Which of the following contains are small amount of water?
a) Liver b) Kidney c) Spleen d) Bone d) Muscle
13- Night blindless------------Liver
Scurvy------------Lemon
Beriberi----------Unbleached rice
Peligra-----------Meat-Milk
Some disease result from a deficiency of vitamins. Disease and their rich sources are shown above.
Which vitamins do these nutrients contain?
a) A,C,B b) K,C,B c) B,C ,D,K d) A,B e) A,C,D,K
14- Which one of the following is not function of lipid ?
a) They are an energy source
b) They aid movement of joint
c) They provide absorbtion of fat soluble vitamins
d) They cover organs and protect them
e) They forn the coenzymes portion of enzymesü
15- Why should a person who has diarrhoea eat foodstuffs containing a lot of water?
a) Water has a toxic effect on microbes
b) Microbes are removed with water from the body
c) Water thet has been lost should be replaced
d) Water regulates bodt temparature
e) Water increases absorbtion of nutrients
16- Which of the following vessels contain a large amount of digested food, vitamin and minerals?
a) Renal artery b) Renal vein c) Superior vena cava
d) Inferior vena cava e) Hepatic vein
17- If sugar is given to a person who is hypoglycaemic, which of the following should be given ?
a)Saccharose b) Maltose c) Lactose
d) Glucose e) Glycogen
18- Which molecule can be defected in highhest quantity in the small intestine of a person who drincs large volumes of milk every morning?
a) Galactose b) Fructose c) lactose
d) saccharose e) maltose
19- Which one of the following is not a property of carbohydrates ?
a) They are a source of energy
b) Excess amounts are converted into lipid
c) They are stored in the body
d) They are found in the structure of DNA, RNA and ATP
e) They are regulatory molecules
20- In the absence of carbohydrates, lipids and proteins are used as an energy source.Which of the following irregularities?
a) Blood pH level decreases
b) Blood glucose level increases
c) Glycogen level in liver increases
d) Glucose is stored as fat
e) Proteins are not used in cellular respiration
21- Which of the following nutrients contain a high amount of nutrients that are necessary for a balanced diet ?
a) Chicken,spinach with egg,orange, water
b) Steak,green salad, water,profiterols
c) Beans with meat, rice, baklava, water
d) Rice with olive, macaroni,apple,water
e) Pototoes with meat, pie with chesee,rice pudding, water
22- Substances that are not soluble (mixable) in water are known as
a. amino acids
b. proteins
c. carbohydrates
d. sugars
e. lipids
23-
I Tissues II Organs III System
In multicellualar organisms, in of the above structures is the same protein structure?
a) I b) III c) I-II d) II-III e) II
24- Severe vitamin K deficiency may cause
A- scurvy
B- pernicious anemial
C- pellagra
D- bleeding
E- rickets
25-Which molecule is most abundant in living organisms?
(A)Carbon diohide
(B)water
(C) Hemoglobin
(D)Cholesterol
(E) Glucose
26-A major difference in the structure of proteins, fats and carbohydrates is that only proteins always contain
(A) carbon (D) sodium
(B) hydrogen (E) nitrogen
(C) oxygen
27-Which of the following is true both vitamin A and D?
A) They play an important role in the healting function of the retina
B) They are synthesized by bacteria of intestine
C) They are water soluble
D) They are stored in liver
E) None of them
28-All of the followinf organic compounds are carbonhydrate exept?
A) Lactose
B) Galactose
C) Glycogen
D) Glycerol
29-Which vitamins is soluble in water?
A) vitamin A
B) vitamin C
C) vitamin D
D) vitamin K
E) vitamin E
30- Which organic molecules have got much more energy than ______.
A) protein
B) charbonhydrates
C) vitamins
D) nucleic acid
E) lipid
31- Which of the following atom is not found in the structure of the lipid?
A) nitrogen
B) carbon
C) hydrogen
D) oxygen
E) all of them
32- Which of the following organic compounds, the one that represente a protein is
A) (C6H10O5)n
B) C6H10O6
C) C17H35COOH
D) C30H55O11N7S
E) C12H22O11
33- Which of the following representes a carbonhydrate
I. C17H35COOH
II. (C6H10O5)n
III. C6H12O6
A) I
B) II
C) III
D) I and II
E) Iand III
34- When two glucose C6H12O6 molecules are combined to form a molecule of maltose C12H22O11, the formula of the maltose molecule is not C12H24O12 because
A) water is added
B) dehydration sythesis takes place
C) transpiration takes place
D) hydrolisis takes place
E) polypeptides are formed
35- A biochemist analyzed an unknown organic compound and determined its chemical make up. The accompanying chart summarizes the results of the biochemists analysis.
Elements Number of atoms per molecule
C 16
H 32
O 2
N 0
P 0
On the basis of this chart. Which class of organic compounds was the biochemist studying?
A) Proteins
B) Lipids
C) Nucleic acids
D) Amino acids
E) Carbohydrates
36- Waters ability to regulate environmental temperatures within a small range conducive to life is partially due to its function as a universal.
A)Solvent B)High Heat Capacity C)Nonpolarity D)Viscosity E)Maximum Density A Zero Degrees Celsius.
37-Which is true of proteins?
A.Proteins Are Made From PABA
B.Proteins Are ²Right-Handed²
C.Proteins Have The Ratio 1C:2O:1H
D.Proteins Contain Nitrogen Atoms
E.All Of The Above
38-Which of the following functional group is most likely to impart a positive charge to organic compounds in which it is found?
A.Carboxyl B.Carbonyl C.Amino D.Sulphydrryl E.Phosphate
39-In what category would an organic chemist classify the molecule depicted below?
A.Aldehyde B.Ketone C.Organic Phosphate D.Carboxylic Acid E.Thiol
40-Which of the following could represent the basic chemical formula of a molecule that would be classified as a sugar?
A.C6H6O3 B.C4H4O4 C.C2H5O2N D.C2H4O2NR E.C5H10O5
41-Phospholipids are typically composed of a strongly hydrophylic head and a pair of long hydrophobic tails. Their ambivalent behaviour toward water causes them to naturally form a structure found in a cell membranes. What is the name of that structure?
A.Cholesterol B.Exudate C.Saturated Fat D.Ectoplasm E.Phospholipid Belayer
42-Most organisms use carbohydrates primarily for energy storage and distribution. Some however also use complex carbohydrates for structural support such as in the chitin of insect exoskeletons. Which of the following polysacharides is also used for structural purposes more than for energy storage?
A.Cellulose B.Amylose C.Maltose D.Amylopectin E.Glycogen
43-İt is the shape of a protein that governs where its various R groups are deployed and, thereby, the type of activity that it will have. What level of organization does the primary structure of a protein entail?
A. The Linear Order Of Nucleotides In The Gene That Codes For The Protein.
B. The Linear Order Of The Amino Acids In The Proteins Polypeptide Chain.
C. The Natural Tendency To Form Alpha Helices And Beta Sheets.
D. The Often Globular Shape That Proteins Adopt Prior To Catalysis.
E. The Important Interaction Between Two Or More Polypeptide Chains
44-At temperature above 105o F many of the disulfide bonds within the proteins of our brains are broken. Proteins in which this has occurred are often unable to return to their original three-dimensional structure even after body temperature returns to normal and permanent brain damage results. What level of protein structure do disulfide bonds play a part in?
A.Primary B.Secondary C.Tretiary D.Quaternary E.Transcendental
45-What is the name of the linkage between two nucleotides in a polynucleotide chain?
A. A Pyrimidine Dimer
B. An Exonucleic Linkage
C. A Phosphodiester Bond
D. A Glycosidic Bond
E. An Amino Terminus
46- Fructose
A). Monosaccharide B). Disaccharide C). Polysaccharide D). Lipid E). Protein
47-Lactose
A). Monosaccharide B). Disaccharide C). Polysaccharide D). Lipid E). Protein
48- Cholesterol
A). Monosaccharide B). Disaccharide C). Polysaccharide D). Lipid E). Protein
49-Glycogen
A). Monosaccharide B). Disaccharide C). Polysaccharide D). Lipid E). Protein