Biomolecules · Chemistry · NEET
MCQ (Single Correct Answer)
1
Given below are two statements :
Statement I : Glycogen is similar to amylose in its structure.
Statement II : Glycogen is found in yeast and fungi also.
In the light of the above statements, choose the correct answer from the options given below :
NEET 2024 (Re-Examination)
2
The reagents with which glucose does not react to give the corresponding tests/products are
A. Tollen's reagent
B. Schiff's reagent
C. HCN
D. $$\mathrm{NH}_2 \mathrm{OH}$$
E. $$\mathrm{NaHSO}_3$$
Choose the correct options from the given below:
NEET 2024
3
Fehling's solution 'A' is
NEET 2024
4
Given below are two statements:
Statement I : A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside
Statement II : When nucleoside is linked to phosphorous acid at 5' position of sugar moiety, we get nucleotide.
In the light of the above statements, choose the correct answer from the options given below:
NEET 2023
5
The incorrect statement about denaturation of proteins is :
NEET 2022 Phase 2
6
The incorrect statement regarding enzymes is
NEET 2022 Phase 1
7
Which of the following is a basic amino acid?
NEET 2020 Phase 1
8
Sucrose on hydrolysis gives :
NEET 2020 Phase 1
9
The non-essential amino acid among the following is :
NEET 2019
10
Which of the following compounds can form a
zwitter ion?
NEET 2018
11
The difference between amylose and amylopectin
is
NEET 2018
12
Which of the following statements is not correct?
NEET 2017
13
The correct corresponding order of names of four aldoses with configuration given below
respectively, is
respectively, is
NEET 2016 Phase 2
14
The central dogma of molecular genetics states that the genetic information flows from
NEET 2016 Phase 2
15
The correct statement regarding RNA and DNA, respectively is
NEET 2016 Phase 1
16
Which one given below is a non-reducing sugar?
NEET 2016 Phase 1
17
In a protein molecule various amino acids are linked together by
NEET 2016 Phase 1
18
D(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be
AIPMT 2014
19
Which of the following hormones is produced under the condition of stress which simulate glycogenlysis in the liver of human beings?
AIPMT 2014
20
In DNA, the linkages between different nitrogenous bases are
NEET 2013 (Karnataka)
21
Which one of the following sets of monosaccharides forms sucrose?
AIPMT 2012 Prelims
22
Deficiency of vitamin B1 causes the disease
AIPMT 2012 Prelims
23
Which of the statements about ''Denaturation'' given below are correct?
(1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(2) Denaturation leads to the conversion of double strand of DND into single strand.
(3) Denaturation affects primary structure which gets distorted.
(1) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(2) Denaturation leads to the conversion of double strand of DND into single strand.
(3) Denaturation affects primary structure which gets distorted.
AIPMT 2011 Mains
24
Which of the following is not a fat soluble vitamin?
AIPMT 2011 Mains
25
Which one of the following statements is not true regarding (+) lactose?
AIPMT 2011 Prelims
26
Fructose reduces Tollen's reagent due to
AIPMT 2010 Mains
27
Which one of the following does not exhibit the phenomenon of mutaroation?
AIPMT 2010 Prelims
28
Which of the following hormones contains iodine?
AIPMT 2009
29
The segment of DNA which acts as the instrumental manual for the synthesis of the protein is
AIPMT 2009
30
Which of the following is an amine hormone?
AIPMT 2008
31
In DNA, the complimentary bases are
AIPMT 2008
32
Which of the following vitamins is water-soluble?
AIPMT 2007
33
RNA and DNA are chiral molecules, their chirality is due to
AIPMT 2007
34
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process-
are respectively
are respectively
AIPMT 2006
35
Which one of the following is a peptide hormone?
AIPMT 2006
36
The human body does not produce
AIPMT 2006
37
The cell membranes are mainly composed of
AIPMT 2005
38
Which functional group participates in disulphide bond formation in proteins?
AIPMT 2005
39
Which of the following structures represents the peptide chain?
AIPMT 2004
40
The helical structure of protein is stablised by
AIPMT 2004
41
The hormone that helps in the conversion of glucose to glycogen is
AIPMT 2004
42
The correct statement in respect of protein haemoglobin is that it
AIPMT 2004
43
A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?
AIPMT 2004
44
Number of chiral carbons in $$\beta $$-$$D$$-(+) glucose is
AIPMT 2004
45
Phospholipids are esters of glycerol with
AIPMT 2003
46
Glycolysis is
AIPMT 2003
47
Vitamin B12 contains
AIPMT 2003
48
Chargaff's rule states that in an organism
AIPMT 2003
49
Which is not true statement?
AIPMT 2002
50
Enzymes are made up of
AIPMT 2002
51
Which is the correct statement?
AIPMT 2001
52
Which statement is incorrect about peptide bond?
AIPMT 2001
53
Which of the following is correct about H-bonding in nucleotide?
AIPMT 2001
54
Which of the following is correct?
AIPMT 2001
55
Which one is responsible for production of energy in bio-reaction?
AIPMT 2000
56
Mg is present in
AIPMT 2000
57
$$\alpha $$ -$$D$$-glucose and $$\beta $$-$$D$$-glucose are
AIPMT 2000