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Quiz 21
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Q.1
A: In plants food is stored as starch. R : Starch is made up of amylase and amylopectin.
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a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
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b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
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c) Assertion is true but the reason is false.
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d) Assertion is false but the reason is True
Explanation
Answer:(b)
Q.2
Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996]
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a) Purine
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b) Pentose sugar
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c) Phosphoric acid
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d) Pyrimidine
Explanation
Answer:(c)
Q.3
Which one is a simple protein? [Kerala 2004]
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a) Albumin
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b) Nucleoprotein
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c) Lipoprotein
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d) Glycoprotein
Explanation
Answer:(a)
Q.4
Match the terms in column-I with suitable terms in column-II
Column I
Column II
P) C
6
H
10
O
5
i) Glyceraldehyde
Q) C
3
H
6
O
3
ii) Galactose
R) C
5
H
10
O
4
iii) Ribulose
S) C
6
H
12
O
6
iv) Deoxy ribose sugar
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a) P= i; Q= iii; R= ii; S= iv
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b) P= iv; Q= iii; R= ii; S= i
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c) P= iii; Q= i; R= iv; S= ii
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d) P= i; Q= iii; R= ii; S= iv
Explanation
Answer:(c)
Q.5
Which the following regarding to examples of Keto sugar is not correctly?
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a) Fructose
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b) Ribulose
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c) Ribose sugar
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d) Dihydroxy acetose.
Explanation
Answer:(c)
Q.6
Which of the following structure show the types of sugar?
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a) Aldo triose sugar
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b) Aldo pentose sugar
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c) Keto triose sugar
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d) Keto pentose sugar
Explanation
Answer:(d)
Q.7
Amino acids are attached each other with which bond?
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a) Ester bonds
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b) Hydrogen bonds
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c) Sulphur bonds
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d) peptide bonds
Explanation
Answer:(d)
Q.8
Match the column and find out the correct combination
Column I
Column II
(P) Keratin
(i) co-enzyme
(Q) ATP
(ii) pyrimidline
(R) Cytosine
(iii) polynucleotide
(S) NAD
(iv) Purine
(T) Guanine
(v) polypeptide
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a) P-v, Q-iii, R-ii, S-i, T-iv
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b) P-v, Q-iii, R-iv, S-I, T-ii
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c) P-iii, Q-v, R-i, S- ii, T-iv
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d) P-v, Q-i, R-ii, S-iii, T-iv
Explanation
Answer:(a)
Q.9
Which of the following is the characteristic of plants… [MP PMT 2003]
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a) Glucose and Cellulose
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b) Pyruvic acid and Glucose
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c) Cellulose and Starch
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d) Starch and Pyruvic acid
Explanation
Answer:(c)
Q.10
Protein conjugated to carbohydrate is [CBSE 2000]
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a) Lecithoprotein
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b) Glycoprotein
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c) Lipoprotein
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d) Metalloprotein
Explanation
Answer:(b)
Q.11
Which of the following bond groups are involved in the formation of quaternary Protein?
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a) Peptide bond, covalent bond
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b) Disulphide bond, Ionic bond
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c) Easter bond, phosphodiester bond
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d) b and c both
Explanation
Answer:(b)
Q.12
If the one base chain sequence of DNA is ACGTTGG then what will be the base Sequence of opposite chain
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a) TGCAACC
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b) GTAGGAA
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c) CATGGTT
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d) TAGCCGG
Explanation
Answer:(a)
Q.13
Near freezing point an enzyme is
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a) Slightly activated
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b) Inactivated
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c) Denatured
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d) Destroyed
Explanation
Answer:(b)
Q.14
Enzyme and substrate complementary each other such as
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a) Pencil & eraser
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b) Pen & Paper
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c) Lock & key
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d) all above
Explanation
Answer:(c)
Q.15
which of the following enzyme would correct glucose in to glucose-6-phosphate
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a) Hydrolyses
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b) Lyases
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c) Isomerases
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d) Transferase
Explanation
Enzyme that transfers a chemical group, e.g. a methyl group or a glycosyl group from one compound (donor) to another compound (acceptor). Answer:(d)
Q.16
which enzyme involved in hydrolysis of maltose to glucose?
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a) Synthetase
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b) Maltase
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c) Galactose
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d) Lyases
Explanation
Answer:(b)
Q.17
Find out the correct group of enzyme which is activated by calcium?
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a) Nitric oxide Synthetase, protein phosphatase , adenylkinase
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b) Acetyl coA Synthetase, fructose isomerase protein phosphatase
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c) Succinic dehydrogenase, Cytochrome oxidase, Aldolase
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d) All above
Explanation
Answer:(a)
Q.18
Co-enzyme differs from prosthetic group because:
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a) They deactivates the enzymes
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b) They do not attached with apoenzyme
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c) They attached apoenzymes with loosely bound
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d) They activates the enzymes
Explanation
Answer:(c)
Q.19
Maltose is composed in which form
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a) Glucose + galactoge
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b) Glucose + fructose
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c) Glucose + Glucose
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d) Glucose + Ribose
Explanation
Answer:(c)
Q.20
S: protein carry out many functions in living organisms A: all enzymes are made up of proteins R: they are responsible for maintenance of proper rates of biochemical reaction in cell
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a) S & R are true but A is false
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b) S,A & R are true and R &A are the correct explanation of S
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c) S is true but A &R both are false
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d) S,A &R are true but R & A are not the correct explanation of S
Explanation
A is false becuase every enzymes are not proteins there are non proteinaceous enzymes called ribozymes Answer:(a)
Q.21
Which of the following is Dipeptide?
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a) Anserine
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b) Glutathione
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c) Glucagon
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d) &beeta-Lipoprotein
Explanation
carnosine, anserine, homoanserine, kyotorphin, balenine ,aspartame, glorin, barettin, pseudoproline, glycylglycine, Answer:(a)
Q.22
Bond formed between the first phosphate group and adenosine in ATP is
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a) Nitrophosphate bond
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b) Adenophosphate bond
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c) Phosphoanhydride bond
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d) Phosphoester bond
Explanation
Answer:(d)
Q.23
which enzyme involved in conversion of a molecular in to an isomer?
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a) Lyases
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b) Synthetase
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c) Isomerase
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d) Transferase
Explanation
Answer:(c)
Q.24
In the cell digestive enzymes are mostly in which cell organelles?
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a) Ribosome
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b) vacuoles
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c) Lysosomes
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d) Mitochondria
Explanation
Answer:(c)
Q.25
Glucose + ATP → glucose - 6-phosphate + ADP which enzyme occur this reaction?
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a) Glucose isomerase
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b) Glucose oxidase
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c) Glucose dehydrogenase
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d) Hexokinase
Explanation
Answer:(d)
Q.26
Which of the following process is formed by -COOH linked to -NH2 (peptide bond)
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a) Hydrogenation
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b) Dehydration
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c) Reduction
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d) Oxidation
Explanation
Answer:(b)
Q.27
What is ATP?
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a) Pentose sugar + adenine + 3 molecule phosphate
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b) Hexose sugar + adenine + 3 molecule phosphate
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c) Amino acid + adenine + 3 molecule phosphate
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d) a or b both
Explanation
Answer:(a)
Q.28
The enzyme which removes hydrogen from the substrate is known as:
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a) Oxido-reductase
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b) Dehydrogenase
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c) Hydrogenase
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d) Hydrolyses
Explanation
Answer:(b)
Q.29
Which is an enzyme that joins acetic acid to Co A with the help of energy?
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a) Acetic acid coA Synthetase
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b) Ligases
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c) Acetyl coA Synthetase
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d) No one
Explanation
Answer:(c)
Q.30
Find out the correct function of co-enzyme?
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a) In association with apoenzyme and make it effective
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b) Independently of the apoenzyme
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c) In association with any protein and make it effective
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d) None above
Explanation
Answer:(a)
Q.31
Find out the miss matched pair
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a) Melanin-imparts color to the body
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b) Hemoglobin - transport of oxygen
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c) Chlorophyll - must for photosynthesis
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d) Immunoglobulin- responsible for movements of body
Explanation
Answer:(d)
Q.32
Fill it E + S → ________
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a) E-S
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b) E-S complex
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c) product
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d) enzyme
Explanation
Answer:(b)
Q.33
Vanadium is necessary for the activation of which enzyme?
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a) Kinase
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b) Maltase
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c) Nitrogenase
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d) Enolase
Explanation
Answer:(c)
Q.34
Most abundant organic compound on earth is ... ..
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a) Protein
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b) Cellulose
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c) Lipid
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d) Steroid
Explanation
Answer:(a)
0 h : 0 m : 1 s
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