Lspu-bio Quiz #5
This quiz covers basic inorganic and organic molecules.
You have one hour (60 minutes) to take this 20-item quiz.
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The certificate should be printed and must be passed next week.
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- 1.
The following are organic compounds EXCEPT:
- A.
Carbohydrate
- B.
Carbon dioxide
- C.
Lipid
- D.
Oil
Correct Answer
B. Carbon dioxide -
- 2.
Starch is the storage form of sugar molecules. A starch is an example of:
- A.
Carbohydrate
- B.
Lipid
- C.
Protein
- D.
Nucleic acid
Correct Answer
A. Carbohydrate -
- 3.
Monomers are the basic molecular unit of compounds. If 2 or more monomers combine they form:
- A.
Peptide
- B.
Polypeptide
- C.
Polymer
- D.
Dipeptide
Correct Answer
C. Polymer -
- 4.
Which of the following is NOT a lipid?
- A.
Terpene
- B.
Steroid
- C.
Wax
- D.
Keratin
Correct Answer
D. KeratinExplanation
keratin is a proteinRate this question:
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- 5.
A kind of nucleic acid that contain the genetic information/insturtcions.
- A.
Amino acid
- B.
Deoxyribonucleic acid
- C.
Ribonucleic acid
- D.
Fatty acid
Correct Answer
B. Deoxyribonucleic acid -
- 6.
Carbohydrates are compounds of carbon, hydrogen and oxygen in the ratio:
- A.
1:1:1
- B.
1:2:1
- C.
2:1:2
- D.
1:2:2
Correct Answer
B. 1:2:1 -
- 7.
Which of the following is NOT a monossacharide?
- A.
Galactose
- B.
Glucose
- C.
Fructose
- D.
Lactose
Correct Answer
D. LactoseExplanation
Lactose is a dissacharide.Rate this question:
-
- 8.
A common table sugar is called:
- A.
Frrctose
- B.
Maltose
- C.
Sucrose
- D.
Glucose
Correct Answer
C. Sucrose -
- 9.
The followin elements compose a protein EXCEPT:
- A.
Carbon
- B.
Hydrogen
- C.
Phosphorus
- D.
Sulfur
Correct Answer
C. PhosphorusExplanation
Phosphorus found as a polyatomic ion phosphate is found in nucleic acids and lipids.Rate this question:
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- 10.
The followin are characteristics of water EXCEPT:
- A.
Cohesion
- B.
High specific heat
- C.
Low electronegativity
- D.
Polarity
Correct Answer
C. Low electronegativity -
- 11.
Carbon atoms are good in forming long chians of molecules because of what property:
- A.
Electronegativity
- B.
Low ionization energy
- C.
Tatravalency
- D.
Nonmetallic property
Correct Answer
C. Tatravalency -
- 12.
The following are functional groups EXCEPT:
- A.
Amine
- B.
Amide
- C.
Alcohol
- D.
Elastin
Correct Answer
D. ElastinExplanation
Elastin is a form of protein which gives the skin its elasticity.Rate this question:
-
- 13.
DNA consists of the following bases EXCEPT:
- A.
Thymine
- B.
Uracil
- C.
Guanine
- D.
Cytosine
Correct Answer
B. UracilExplanation
Uracil is the counterpart of thymine in RNA.Rate this question:
-
- 14.
Which of the following is NOT a carbohydrate?
- A.
Deoxyribose
- B.
Glucose
- C.
Glycogen
- D.
Glyceride
Correct Answer
D. GlycerideExplanation
Glyceride is a lipid.Rate this question:
-
- 15.
Which of the following is NOT found in animals?
- A.
Keratin
- B.
Cellulose
- C.
Steroid
- D.
Glycogen
Correct Answer
B. Cellulose -
- 16.
Saturated fats are easily meatabolized and broken down into simple units during metabolsim.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Unsaturated fats, instead are recommended for intake because they can be easily broken down into simple molecules.Rate this question:
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- 17.
Salt is formed by the reaction of a metal and nonmetal.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Salt or metallic salts are composed of a metal and a nonmetal like NaCl.Rate this question:
-
- 18.
Saturated fats tend to be solid at room temperatures.
- A.
True
- B.
False
Correct Answer
A. True -
- 19.
Sucrose is a combination of glucose and furctose units.
- A.
True
- B.
False
Correct Answer
A. True -
- 20.
Fatty acids are the baisc structural unit of proteins.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
amino acid-protein
fatty acid-lipidsRate this question:
-
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Current Version
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Jan 28, 2013Quiz Edited by
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Jul 07, 2011Quiz Created by
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