Triglycerides are composed of
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6%
1glycerol and 1 fatty acid
9%
3 glycol and 3 fatty acids
20%
3 glycol and 1 fatty acid
64%
1 glycerol and 3 fatty acids
The bond formed between the amino group of one amino acid and carboxyl
group of another amino acid is
group of another amino acid is
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69%
Peptide bond
18%
Glycosidic bond
11%
Ester bond
2%
di-sulphide
Which of the following is correct for the enzyme?
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16%
They are higly reactive and nonspecific in nature.
65%
They are highly specific and are not used up during reaction.
12%
They change themselves at the end of reaction.
7%
They are heat insensitive
Select the correct option having primary metabolites?
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11%
Flavonoids, Amino acids, Nucleic acids
10%
Antibiotics, Essential oils, Alkaloids
71%
Sugars, Nucleotides, Amino acids
9%
Rubber, Gums, Flavonoids
What will be the molality of a solution having 18g of glucose (mol. wt. = 180) dissolved in
500g of water
500g of water
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6%
1 m
28%
0.5 m
60%
0.2 m
5%
2 m
The normality of 10% (weight/volume) acetic acid is
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11%
1 N
24%
10 N
52%
1.7 N
13%
0.83 N
In which ratio of volumes 0.4 M HCl and 0.9M HCl are to be mixed such that the concentration
of the resultant solution becomes 0.7 M
of the resultant solution becomes 0.7 M
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19%
4:9
57%
2:3
16%
3:2
8%
1:1
Which is not a colligative property in the following
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84%
pH of a buffer solution
6%
Boiling point elevation
4%
Freezing point depression
6%
Relative lowering of vapour pressure
Difference between the prokaryotic and eukaryotic cells in having
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20%
Cell wall
71%
Nuclear membrane
8%
Ribosome
1%
None of these
Who proposed the theory that "Cells arise only from the pre-existing cells"?
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0%
Mohl
96%
Virchow
3%
Haeckel
1%
Brown
Which of the following is incorrect?
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2%
Mycoplasma is the smallest cell
8%
Bacteria are 3 to 5 µm in size.
4%
The largest cell is the egg of an ostrich.
86%
Nerve cells are some of the smallest cells.
In prokaryotes, chromatophores are
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33%
Specialized granules responsible for colouration of cells.
6%
Structures responsible for organizing the shape of the organism.
15%
Inclusion bodies lying free inside the cells for carrying out various metabolic activities
47%
Internal membrane system which becomes extensive and complex in photosynthetic bacteria.
Active transport across biomembrane involves
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19%
Production of ATP
76%
Requirement of energy
3%
Production of toxin
2%
Release of energy
A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 k. The
vapour pressure of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.6, its vapour
pressure (in mm) at the same temperature will be
vapour pressure of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.6, its vapour
pressure (in mm) at the same temperature will be
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41%
350
32%
300
19%
700
9%
360
The mass of glucose that should be dissolved in 50 g of water in order to produce the same
lowering of vapour pressure as is produced by dissolving 1 g of urea in the same quantity of water
is
lowering of vapour pressure as is produced by dissolving 1 g of urea in the same quantity of water
is
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16%
1 g
53%
3 g
20%
6 g
12%
18 g
An aqueous solution of methanol in water has vapour pressure
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9%
Equal to that of water
15%
Equal to that of methanol
48%
More than that of water
28%
less than that of water