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. 1 |
Fructose is metabolized by |
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2 |
A common way that cells capture the energy released
during the breakdown of large molecules is to add electrons to smaller,
specialized molecules that can accept them. This process of electron
acceptance is otherwise known as |
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3. |
Humans are unable to digest |
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. 4 |
How many ATP
equivalents per mole of glucose input are required for gluconeogenesis? |
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5. |
Which of the
following compounds is responsible for the coordinated regulation of glucose
and glycogen metabolism? |
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6. The repeating units of protein are
A glucose
B amino acid
C fatty acid
D peptides
7. Amino
acids are joined by
A peptide bond
B hydrogen
bond
C ionic
bond
D glycosidic bond
Peptide bond is
8. A rigid with partial double bond character
B planer covalent
C covalent
D all of the above
9. Enzymes
are
A protein
B carbohydrates
C nucleic acid d DNA molecules
10. The most common secondary structure is
An a helix
B b pleated sheet
C
b pleated sheet parallel
D b pleated sheet nonparallel
11. The liver
glycogen can again be broken down …………………………………………………… at the time of
need
12. Glucose and other monosaccharides are
absorbed in the ………………………………………
13. Hetro polysaccharides also
called……………………………
14. Respiratory protein example………………………………
15. Catalytic protein example…………………………..
16. Proteins are classified based on physical
properties and solubility
A simple
B conjugated
C derived
D all of the above
17. Classification based on
A shape and size
B function
C physical properties
D All of the above
18. Protein m molecules are classified based on shape
and size
A fibrous
B globular
C gliadins
d Both a. b
19 All the following are important
electrolytes in the body except:
A) potassium ions
B) carbon ions
C) chloride ions
D) sodium ions
20"…………………." is provided by Sunlight to the body.
21"……………." is very liable and easily destroyed during cooking as
well as storage.
"22 ………………………." is essential for proper bone and teeth formation.
23 Healing of wounds is hastened by "……………….".
24 "…………………………" is synthesized in the body by intestinal bacteria.
25 ……………………….. is known as the "Anti-Sterile" factor.
26 "……………….." found in the body by exposure to ultraviolet radiation
in sunlight.
27 "…………………." can be most easily synthesized in the human body.
28"………………………" helps in growing the children for strengthened Bones
and Teeth.
29 Milk is not the source of"…………………..".
30 Carrot
is the best source of "………………………".
31 "………………." is known as anti-scurvy factor.
32 Rickets
is caused by the deficiency of "……………..".
33 This
statement is correct "………………".
34 Poor
night vision is because of lack of "……………………".
35"……………………" is known as Ascorbic Acid.
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36. |
Which of the
following minerals is involved in protein metabolism and oxidation reactions? |
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37 |
Which of the
following mineral deficiencies may result in impaired growth and development,
skin lesions, and loss of appetite? |
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38 |
Which of the
following is not a function of iron? |
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39 |
Consumption
of which nutrient leads to the multiplication of oral bacteria? |
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40 In a carbon (C) free
solution of minerals, plants
- can not
grow
- can grow
well
- will lose
their green color
- will die
Answer B
41 Vitamins can be
- fat-soluble
- water-soluble
- sugar-soluble
- both A and
B
Answer D
42 Water-soluble
vitamins need to be supplied
- daily
- weekly
- fortnightly
- can easily
be stored in the body for later use
Answer A
43 Dissolved
substances such as minerals, amino acids, and sugars are found in
- Cytoplasm
- Nucleoplasm
- Cell sap
- Protoplasm
Answer C
44 Fat-soluble vitamins
need to be supplied
- daily
- weekly
- fortnightly
- can easily
be stored in the body for later use
45The hormones aldosterone and ADH both have
an important function in:
A)
fluid balance in the body
B)
the regulation of acid concentration in the body
C)
stimulation of a conscious desire for water
46When the concentration of solutes is the
same on both inside and outside cells, then:
A)
water leaves the cells
B)
water rushes into the cells
C)
water flows out of the cells into the transcellular environment
D)
the osmotic pressure is zero) the activity of buffer systems
47.
The interstitial fluid is generally poor while the plasma is generally rich in:
A)
hydrogen ions
B)
sodium and chloride ions
C)
protein
D)
carbohydrates
48.
Approximately one-third of the body water exists in the
A)
kidneys and urinary bladder
B)
blood
C)
extracellular fluid compartment
D)
transcellular fluid compartment
49.
The intracellular fluid compartment refers to all the water found in:
A)
the bones of the body
B)
areas outside the body cells
C)
areas within the gastrointestinal tract
D)
all cells of the body
50. A base may be defined as a
chemical compound that:
A)
removes hydrogen ions from a solution
B)
adds sodium chloride to a solution
C) adds
hydrogen ions to a solution
D)
eliminates sodium ions from a solution
51. Amino
acids are
a)
building blocks of carbohydrates
b) building blocks of nucleic acid
c) building blocks of lipids
d) building blocks of proteins
52. Amino acids have
a)
both amino group
and carboxyl group
b)
b) both
amino group and keto group
c)
c) amino
group only
d)
d)
carboxyl group only
53. The simplest amino acid is
a) Praline
b) Methionine
c) Glycine
d) Serine
54. Which of the following amino acids is
a ‘α-helix terminator’
a)
tryptophan
b)
b) phenylalanine
c)
c) tyrosine
d)
d) proline
55. The first
amino acid in a polypeptide chain is
a) Serine
b)
Valine
c) Alanine
d) Methionine
56. Which of the following amino acids has a buffering capacity
a) Tryptophan
b)
cysteine
c)
histidine
e)
Arginine
57. Which of the following is an α imino acid
a) serene
b) threonine
c) valine
d) proline
58. The naturally occurring form of amino acid in proteins
a) L-amino acids only
b) D-amino acids only
c) both L and D amino acids
d) none of these
59. Sulphur-containing amino acids are
a) Cysteine and methionine
b) Methionine and threonine
c) Cysteine and threonine
d) Cysteine and serine
60. Aromatic amino acids include
a) Phenylalanine, tyrosine and tryptophan
b) Phenylalanine, serine, and tryptophan
c) Threonine, tyrosine and tryptophan
e)
Asparagine,
tyrosine and tryptophan
61. Positively charged basic amino acids are
a) Lysine and arginine
b) Lysine and asparagine
c) Glutamine and arginine
d) Lysine and glutamine
62. Acidic amino acids include
a) Arginine and glutamate
b) Aspartate and asparagine
e c) Aspartate and lysine
d) Aspartate and glutamate
63. Amino acids with hydroxyl groups are
a) serine and alanine
b) Alanine and Valine
c) serine and threonine
d) Valine and isoleucine
64. The 21st amino acid is
a) hydroxy lysine
b) hydroxyl proline
c) selenocysteine
d) citrulline
65. Absorbance at 280nm exhibited by protein is due to
a) aliphatic amino acids
b) all amino acids
c) Non-polar amino acids
d) aromatic amino acids Online
Practice test on
66. α-helix has
a) 3.4 amino acid residues/turn
b) 3.6 amino acid residues/turn
c) 3.8 amino acid residues/turn
d) 3.0 amino acid residues/turn
67. Tertiary structure is maintained by
a) peptide bond
b) hydrogen bond
c) di-sulphide bond
d) all of the above
68. Haemoglobin has
a) primary structure
b) secondary structure
c) tertiary structure
d) quaternary structure
69 Disulphide bonds are formed between
a) cysteine residues that are close together
b) cysteine residues that are close
together
c) proline residues that are close together
d) histidine residues that are close
together
70 The 3-D structure of a protein can be determined by
a) Nuclear magnetic resonance
b) X-ray crystallography
c) both a and b
d) Spectroscopy
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