IIT JEE — Quiz

IIT JEE CHEMISTRY Biomolecules And Biological Processes

94 questions · Test your knowledge

1 Sucrose on hydrolysis yields a mixture which is
2 Which disaccharide is present in milk ?
3 Which of the following enzymes helps in digestion of proteins ?
4 The linkage that holds monosaccharide units together in a polysaccharide is called
5 Lactose on hydrolysis yields
6 A certain compound gives negative test with ninhydrin and positive test with Benedicts solution. The compound is
7 A sucrose molecule on hydrolysis yields
8 The letter D in D-glucose signifies
9 Ribose and 2-deoxyribose are
10 Which of the following is an example of zwitter ion ?
11 Glycoside linkage is an
12 Glucose and fructose are
13 Hydrolysis of sucrose into (+) glucose and (-) fructose is known as
14 Which of the following is not a monosaccharide ?
15 A pyranose ring consists of a skeleton of
16 Chhse is an example of
17 The reagent which forms crystalline osazone derivative when reacted with glucose is
18 Which of the following is the simple carbohnydrate ?
19 Maltose on hydrolysis yields
20 Amino acids are formed on hydrolysis of
21 Ribose is an example of
22 Glucose on oxidation with bromine water gives
23 Insulin is
24 Digestion of carbohydrates mainly takes place in
25 Which of the following is not sweet in taste ?
26 Which of the following is an ketohexose ?
27 Which of the following is a non reducing sugar ?
28 he sweetest carbohydrate is .
29 Which of the following compounds can reduce Tollens reagent ?I. Sucrose ; II. ; Glucose ; III. Fructose ; IV. Maltose.
30 Whcih of the following bases is not present in DNA ?
31 Which of the following is an example of aldopentose ?
32 Which of the following is an example of zwitter ion ?
33 The number of polyeptide chains present in a molecule of haemoglobin is
34 The energy released during conversion of ATP to ADP is approximately
35 Glucose on reaction with excess phenylhydrazine gives glucosazone. In this reaction one molecule of glucose reacts with_______ molecules of phenylhydrazine.
36 In stomach the proteins are broken down into peptides by enzyme
37 Classification of proteins into fibrous and globular forms is on the basis of
38 Glucose on oxidation with nitric acid yields
39 Pyrimidine bases present in RNA are
40 A nucleoside is made up of a
41 The first stage of oxidation of carbohydrates is known as
42 Reference proteins are those obtained from
43 Digestion of lipids occurs primarily in
44 Whcih of the following is protozoal disease ?
45 Adenosine monophosphate (AMP) is a/an
46 Whcih of the following bases is a purine ?
47 Which of the following is most abundant in the living world ?
48 Insulin is secreted by
49 The linkage which holds various amino acid units in primary structure of proteins is
50 Gums and pectins are examples of .
51 Glycylalanine and alanylglycine are
52 Whcih of the following fatty acids is a saturated fatty acid ?
53 Which of the following is not proteinous ?
54 Glucose gives silver mirror with Tollens reagent. It shows the presence of a/an
55 In myoglobin the number of polypeptide chains associated with one heme unit is
56 With which of the following disease is Vitamin K associated ?
57 Which of the following is not a sugar ?
58 Which name is associated with the chemical substances produced in endocrine ductless glands ?
59 The main structural feature of proteins is
60 Glucose cannot be classified as
61 nvert sugar is
62 In cellular respiration, there is a net gain of _________ per molecule of glucose
63 Catabolism refers to
64 Biochemical reactions which require oxygen are called
65 Which chemical substance act as emulsifiers in lipid metabolism ? .
66 During digestion which enzyme converts peptides into amino acids
67 When hemiacetal reacts with alcohol, the product is
68 The amino acids are the end products of the digestion of
69 Which of the following can be used for detection of traces of iodine ?
70 The constituent units of sucrose are
71 Which one of the following is synthesized in our body by sun rays?
72 During glycolysis one molecule of glucose breaks into
73 Which carbohydrate is an essential constituent of plant cells ?
74 Denaturation of protein does not have any effect on its
75 The force of attraction between the neighbouring peptide chains is
76 Fructose has
77 ATP represents
78 The region of plants where photosynthesis occurs is called .
79 Whcih one of following vitamins checks night blindness ?
80 Hyperglycemia refers to
81 Photosynthesis involves
82 Which of the following is a test for proteins ?
83 Enzymes are
84 Biuret test is used for the detection of
85 At isoelectric point, the amino acid has
86 Peptids on hydrolysis give .
87 Which of following is an example of fibrous protein ?
88 The enzyme that converts starch into maltose is called
89 The proteins with a prosthetic group are known as
90 The non-proteinous substances which certain enzymes require for their activity are called
91 Which of the following is an example of globular protein ?
92 The disease phenyl ketone urea is caused by the deficiency of .
93 An example of zwitter ion is
94 The destruction of the biological nature and activity of proteins by heat or chemical gaent is called
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