Q.1
A: In plants food is stored as starch. R : Starch is made up of amylase and amylopectin.
  • a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
  • b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
  • c) Assertion is true but the reason is false.
  • d) Assertion is false but the reason is True
Q.2
Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996]
  • a) Purine
  • b) Pentose sugar
  • c) Phosphoric acid
  • d) Pyrimidine
Q.3
Which one is a simple protein? [Kerala 2004]
  • a) Albumin
  • b) Nucleoprotein
  • c) Lipoprotein
  • d) Glycoprotein
Q.4
Match the terms in column-I with suitable terms in column-II
Column I Column II
P) C6H10O5 i) Glyceraldehyde
Q) C3H6O3 ii) Galactose
R) C5H10O4 iii) Ribulose
S) C6H12O6 iv) Deoxy ribose sugar
  • a) P= i; Q= iii; R= ii; S= iv
  • b) P= iv; Q= iii; R= ii; S= i
  • c) P= iii; Q= i; R= iv; S= ii
  • d) P= i; Q= iii; R= ii; S= iv
Q.5
Which the following regarding to examples of Keto sugar is not correctly?
  • a) Fructose
  • b) Ribulose
  • c) Ribose sugar
  • d) Dihydroxy acetose.
Q.6
Which of the following structure show the types of sugar?
unit-3_ch-5_que_no-433_img_no1.png
  • a) Aldo triose sugar
  • b) Aldo pentose sugar
  • c) Keto triose sugar
  • d) Keto pentose sugar
Q.7
Amino acids are attached each other with which bond?
  • a) Ester bonds
  • b) Hydrogen bonds
  • c) Sulphur bonds
  • d) peptide bonds
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
  • a) P-v, Q-iii, R-ii, S-i, T-iv
  • b) P-v, Q-iii, R-iv, S-I, T-ii
  • c) P-iii, Q-v, R-i, S- ii, T-iv
  • d) P-v, Q-i, R-ii, S-iii, T-iv
Q.9
Which of the following is the characteristic of plants… [MP PMT 2003]
  • a) Glucose and Cellulose
  • b) Pyruvic acid and Glucose
  • c) Cellulose and Starch
  • d) Starch and Pyruvic acid
Q.10
Protein conjugated to carbohydrate is [CBSE 2000]
  • a) Lecithoprotein
  • b) Glycoprotein
  • c) Lipoprotein
  • d) Metalloprotein
Q.11
Which of the following bond groups are involved in the formation of quaternary Protein?
  • a) Peptide bond, covalent bond
  • b) Disulphide bond, Ionic bond
  • c) Easter bond, phosphodiester bond
  • d) b and c both
Q.12
If the one base chain sequence of DNA is ACGTTGG then what will be the base Sequence of opposite chain
  • a) TGCAACC
  • b) GTAGGAA
  • c) CATGGTT
  • d) TAGCCGG
Q.13
Near freezing point an enzyme is
  • a) Slightly activated
  • b) Inactivated
  • c) Denatured
  • d) Destroyed
Q.14
Enzyme and substrate complementary each other such as
  • a) Pencil & eraser
  • b) Pen & Paper
  • c) Lock & key
  • d) all above
Q.15
which of the following enzyme would correct glucose in to glucose-6-phosphate
  • a) Hydrolyses
  • b) Lyases
  • c) Isomerases
  • d) Transferase
Q.16
which enzyme involved in hydrolysis of maltose to glucose?
  • a) Synthetase
  • b) Maltase
  • c) Galactose
  • d) Lyases
Q.17
Find out the correct group of enzyme which is activated by calcium?
  • a) Nitric oxide Synthetase, protein phosphatase , adenylkinase
  • b) Acetyl coA Synthetase, fructose isomerase protein phosphatase
  • c) Succinic dehydrogenase, Cytochrome oxidase, Aldolase
  • d) All above
Q.18
Co-enzyme differs from prosthetic group because:
  • a) They deactivates the enzymes
  • b) They do not attached with apoenzyme
  • c) They attached apoenzymes with loosely bound
  • d) They activates the enzymes
Q.19
Maltose is composed in which form
  • a) Glucose + galactoge
  • b) Glucose + fructose
  • c) Glucose + Glucose
  • d) Glucose + Ribose
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
  • a) S & R are true but A is false
  • b) S,A & R are true and R &A are the correct explanation of S
  • c) S is true but A &R both are false
  • d) S,A &R are true but R & A are not the correct explanation of S
Q.21
Which of the following is Dipeptide?
  • a) Anserine
  • b) Glutathione
  • c) Glucagon
  • d) &beeta-Lipoprotein
Q.22
Bond formed between the first phosphate group and adenosine in ATP is
  • a) Nitrophosphate bond
  • b) Adenophosphate bond
  • c) Phosphoanhydride bond
  • d) Phosphoester bond
Q.23
which enzyme involved in conversion of a molecular in to an isomer?
  • a) Lyases
  • b) Synthetase
  • c) Isomerase
  • d) Transferase
Q.24
In the cell digestive enzymes are mostly in which cell organelles?
  • a) Ribosome
  • b) vacuoles
  • c) Lysosomes
  • d) Mitochondria
Q.25
Glucose + ATP → glucose - 6-phosphate + ADP which enzyme occur this reaction?
  • a) Glucose isomerase
  • b) Glucose oxidase
  • c) Glucose dehydrogenase
  • d) Hexokinase
Q.26
Which of the following process is formed by -COOH linked to -NH2 (peptide bond)
  • a) Hydrogenation
  • b) Dehydration
  • c) Reduction
  • d) Oxidation
Q.27
What is ATP?
  • a) Pentose sugar + adenine + 3 molecule phosphate
  • b) Hexose sugar + adenine + 3 molecule phosphate
  • c) Amino acid + adenine + 3 molecule phosphate
  • d) a or b both
Q.28
The enzyme which removes hydrogen from the substrate is known as:
  • a) Oxido-reductase
  • b) Dehydrogenase
  • c) Hydrogenase
  • d) Hydrolyses
Q.29
Which is an enzyme that joins acetic acid to Co A with the help of energy?
  • a) Acetic acid coA Synthetase
  • b) Ligases
  • c) Acetyl coA Synthetase
  • d) No one
Q.30
Find out the correct function of co-enzyme?
  • a) In association with apoenzyme and make it effective
  • b) Independently of the apoenzyme
  • c) In association with any protein and make it effective
  • d) None above
Q.31
Find out the miss matched pair
  • a) Melanin-imparts color to the body
  • b) Hemoglobin - transport of oxygen
  • c) Chlorophyll - must for photosynthesis
  • d) Immunoglobulin- responsible for movements of body
Q.32
Fill it E + S → ________
  • a) E-S
  • b) E-S complex
  • c) product
  • d) enzyme
Q.33
Vanadium is necessary for the activation of which enzyme?
  • a) Kinase
  • b) Maltase
  • c) Nitrogenase
  • d) Enolase
Q.34
Most abundant organic compound on earth is ... ..
  • a) Protein
  • b) Cellulose
  • c) Lipid
  • d) Steroid
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