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Worksheets

REVIEW 2

Total questions: 46

Worksheet time: 30mins

Name
Class
Date
1.

Which biomolecules transport oxygen and other substances, also the primary structure is amino acid and insoluble in water?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

2.

Which biomolecules provide energy storage, supplying energy for the cell , cell signaling and structural support?

    

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

3.

2. Which biomolecules contains your genetic information?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

4.

Just under an orca's skin lies a thick layer of blubber. Blubber helps insulate a whale from heat loss. Based on this information, which biomolecule is blubber primarily made of?

a)

Lipids

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

5.

7. Glycerol and fatty acids are the monomers of _________.

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

6.

3. Which biomolecules act as energy storage for the cell and also cushions and insulates organs?

a)

Carbohyrdates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

7.

11. People with albinism do not produce the melanin protein. Melanin allows for people to be protected from the sun and thus people with albinism are prone to severe sunburns. Which biomolecule would you infer is responsible for albinism?

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

8.
In RNA, adenine goes with __________.
a)
adnine
b)
cytosine
c)
thymine
d)
uracil
9.
Adnine goes with __________
a)
adnine
b)
cytosine
c)
guanine
d)
thymine
10.
Why does DNA stay in the nueclus?
a)
To protect it from becoming damaged.
b)
It is lazy. 
c)
It is grounded. 
d)
It cannot move. 
11.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
12.

Which of the following is NOT an RNA?

a)

tRNA

b)

mRNA

c)

rRNA

d)

DNA

13.

      The ability of proteins to catalyze chemical reactions is a a crucial role in enzymatic activity.

     

a)

TRUE

b)

FALSE

14.

Which of these is an example of synthetic polymer?

a)

cotton fibers

b)

rubber

c)

wool

d)

polyvinyl chloride (PVC)

15.

What is the name of the reaction used to make polymers?

a)

polymerization

b)

cracking

c)

polygonization

d)

precipitation

16.

What is the name of polymer with this repeating unit?

a)

Poly(methylester)

b)

poly(methyl methacrelate)

c)

polypropylene

17.

What is the name of polymer with this repeating unit?

a)

Poly(methylester)

b)

poly(methyl methacrelate)

c)

polypropylene

d)

PVC

18.

Which is the most likely bond angle around the oxygen atom in ethanol?

a)

104.5°

b)

109.5°

c)

120°

d)

180°

19.

Which one of the following molecules is not planar?

a)

BF3

b)

NCl3

c)

C2H4

d)

HCHO

20.

Which of the following shapes is 109.5°?

a)

b)

c)

d)

21.

What is the bond angle in the shape shown here?

a)

109.5o

b)

120o

c)

107o

d)

104.5o

22.

Which of these functional groups is carboxyl?

a)

-CO

b)

-NH2

c)

-CH3

d)

COOH

23.

Which of these functional groups is an Amino?

a)

-CH3

b)

-NH2

c)

-COH

d)

-PO4-

24.

Which of these functional groups is a sulfhydryl?

a)

-SH

b)

-OH

c)

-CO

d)

-COH

25.

Which of these functional groups is a hydroxyl?

a)

-PO4-

b)

-SH

c)

-OH

d)

NH2

26.

Name this functional group compound.

a)

Propane

b)

Bropane

c)

Propane(Br)

d)

Bromopropane

27.

What is the main purpose of amino acid ?

a)
the unique sequence of amino acids in its polypeptide chain
b)
the unique folding due to the sequence of amnio acids in the polypeptide chain
c)
hydrogen bonding & unique interactions between the 'R' groups
d)

Acts as a base

28.

Which of the "Halogens" is found in liquid state at room temperature?

a)

Flourine

b)

Chlorine

c)

Iodine

d)

Bromine

29.

Which of these elements are Halogens and  commonly used in toothpaste?

a)

Fluorine

b)

Helium

c)

Zinc

d)

Bromine

30.

Solvent in paint thinners common use of compounds containing a hydroxyl group.

a)

TRUE

b)

FALSE

31.
Choose the correct shape for this molecule:
a)
linear
b)
Trigonal pyramidal
c)
Bent
d)
Tetrahedral
32.

A molecular geometry with 3 bonding pairs, an example is  Boron trifluoride (BF3).

a)

Trigonal pyramidal

b)

Trigonal planar

c)

Trigonal bipyramidal

d)

T-shaped

33.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

34.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

35.

What functional group is shown?

a)

halide

b)

hydroxyl

c)

amino

d)

carboxyl

36.

Name this compound.

a)

Propane

b)

Bropane

c)

Propane(Br)

d)

Bromopropane

37.

Compounds that contain only the elements carbon and hydrogen and insoluble in water are called.

a)

carbon chains

b)

substituted hydrocarbons

c)

isomers

d)

synthetic polymers

38.

Name this molecule:

a)

methane

b)

ethane

c)

propane

d)

butane

39.

Name this molecule:

a)

methane

b)

ethane

c)

propane

d)

butane

40.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
41.
Give the name of this compound...
C3H8
a)
Propene
b)
Butyne
c)
Butene
d)
Propane
42.

Which is the structures with IUPAC nomenclature

ethyl pentanoate

a)

b)

c)

d)

43.

Which is the structures with IUPAC nomenclature

4-ethyl-4-methyloctane

a)

b)

c)

d)

44.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

45.

(CH3)2CHCH(OH)CH2C(CH3)3
2,5,5-trimethyl-3-hexanol

a)

TRUE

b)

FALSE

46.

What is the first in an decreasing reactivity towards an electrophilic reagent, among the following organic compound?

   

a)

Toluene

b)

Benzene

c)

Phenol

d)

Chlorobenzene

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