CUSAT CAT 2019 Question Paper Biotech

CAT 2019 - BIOTECHNOLOGY

019
2
1. T
Which one of the following is most similar to construction of DNA chips?
S
E
(A) PCR T
(B) Northern blotting N
O
(C) Semiconductor
SI
IS
(D) Electrophoresis
M
2. D
M
Astructure of a protein with one polypeptide is its
The globular

(A) O
N
Primary structure
(B)M Secondary structure

A T
O
M
O E
(C) Tertiary structure
C (D) Quaternary structure
C T
S 3. Triticale is a food plant whose parents are
CU (A)

AT N
Rice and wheat
19
S IO
(B) Rye and barley
(C) Wheat and maize
2 0
U
(D) Durum wheat and rye

4.

(A)C IS S N
T E ST
Bialophos herbicide resistance is conferred by

Hygromycin phopho transferase
O
M I
(B) Neomycin phopho transferase
(C) S
Phosphinothricin acetyl transferase
IS
D
(D) Acetylcholine esterase

M
5.

(A)
(B)
A O
N
A
D
rbcL gene used for barcoding of plants is located in the

Mitochondria
Chloroplast
(C) Nucleus M
(D) Transposable element
M
C O
AT
S
CU

6. Conversion of floral organ to leaf-like structure is known as

(A) Phyllody 019
(B) Petalody 2
(C) Emody
S T
E
(D) Modality
T
N
O
7. I
An agent that causes phyllody is
S
(A) Bacteria IS
M
D
M
(B) Fungi
(C) VirusA

(D) N
Phytoplasma
O
M
8.

SA
T
O
M
C (A) 5S rRNA
(B) 16S rRNA
O
C T E
Most commonly used gene for construction of microbial phylogenetic tree is

CU
T
(C) 18S rRNA

N
(D) 23S rRNA

9. A
S IO 2 0 19
Albert Laskar prize is awarded to those who excel in the

(A)
(B)
(C)
(D)
Plant Science research

C IS
Biotechnology

T
Basic medical research
Mathematical research
E ST
N
O
10.
M S I
The virus that is linked to cervical cancer is
IS
(A)
D M
Epstein-Barr Virus

(B) Human Cytomegalo virus
(C)
A
Human Herpes Virus 8
(D)
N
Human Papilloma Virus

O
11. M
The micro-organism that fixes nitrogen non-symbiotically is
M
(A) Rhizobium japonieum
(B) Frankia sp. C O
(C) Azospirillum sp.
AT
(D) Azotobacter chroococcum
S
C U

12. Adenosine deaminase deficiency leads to

(A) Gout 019
(B) Lesch-Nyhan syndrome 2
(C) Porphyria
S T
E
(D) Severe combined immuno deficiency disease
T
N
O
13. I
A cross is made between two parents, both with genotype Aa. What is the probability that
S
IS
an offspring will have the genotype AA?
M
(A)
(B)
0.125
0.250A
D
M
(C) N
0.500
(D) O
0.750
M

S
14.
AT
M

(A)
O E
COThe insertion of three nucleotides into an open reading frame cannot result in
C T
a nonsense mutation

CU
T
(B) a frame shift mutation

A N
(C) a missense mutation
(D)
9
the destruction of a nonsense mutation
1
S IO 2 0
15. Which of the following cell organelles is concerned with acrosome formation in sperms?

ST
C IS E
(A) Lysosome
(B) Mitochondria
T
(C) Centriole
N
(D) Golgi body
O
M IS
S I
D
16. Which one of the following is an essential fatty acid?
M
(A) Linolenic Acid
(B) Oleic Acid
A
(C)
N
Arachidic Acid
(D)
O
Palmitoleic Acid

M
17. M
One of the following is not an entomopathogenic fungus

(A) Baeuveria bassiana C O
(B) Metarrhizium anisopliae
(C) Trichoderma virideA
T
S
U
(D) Verticillium lecanii
C

18. Alpha-ketoglutarate serves as one of the keto-substrate in the formation of

(A) agropine 019
(B) nopaline 2
(C) octopine
S T
E
(D) histopine
T
N
O
19. I
This hormone is different from other hormones in its physical state
S
(A) Gibberellin I
S
(B) EthyleneM
D
M
A acetic acid
(C) Indole

N
(D) Zeatin
O
M
20.

SA
T
O
M
O
C T E
The purpose of Meselson and Stahl experiment in which they grew E. coli on the nutrient
C medium containing NH Cl made using either normal ( N) or radioactive nitrogen ( N) is
4

(A) to find a bactericidal drug
14 15

CU
T
(B) to prove that DNA and not protein is the genetic material

A N
(C) to prove that the DNA replicate in a semi-conservative fashion
(D) to prove abiogenesis
19
S IO 2 0
21. Which one of the following is not true of meiosis?

ST
C IS E
(A) Reduction division resulting in ‘n’ number of chromosomes
(B) Crossing over
T
(C)
N
Pairing of homologous chromosomes
(D)
O
Separation of chromatids during Anaphase I

M IS
S I
D
22. Which one of the following is most distinct from the others?
M
(A) Incineration
(B)
A
Autoclaving
(C) Boiling
N
(D)
O
Pasteurization

M
23. The foreign DNA could be covalentlyM
bonded to a vector plasmid by the enzyme

(A) DNA helicase C O
(B) DNA ligase
(C) DNA polymerase A
T
S
24.
C U
(D) Restriction endonuclease
The Human growth hormone “hGH” is secreted by

(A) Pituitary gland

19
(B) Hypothalamus
(C)
(D)
Pancreas
Thymus 20
S T
E
25. T
The cells that transport oxygen within the body are the
N
O
(A) macrophages
SI
(B)
(C) IS
erythrocytes
platelets
M
(D) D
leukocytes
A
M
N
26. O
Individual strands of the fungal body are known as
M

SAT
M
hypha
O
(A) mycelium
CO (B)
C T
(C) ascocarp
(D) zygospore E
CU
27.

AT N 9
Which of these is required for aerobic cellular respiration?
1
(A)
S IO
Carbon dioxide
2 0
U
(B) Sunlight

28.
(C)

C IS
(D)
S
Oxygen
Chlorophyll

N
T E ST
An organism’s ability to maintain a constant internal condition necessary for life is
O
M
known as

IS
S I
D
(A) Homeostasis
(B) Stability
M
(C) Reproduction
(D) A
Adaptation
N
O
29.
M
The terminal electron acceptor during mitochondrial respiration is

(A) Oxygen M
(B)
(C)
FAD+
NAD+ C O
(D) ATP
AT
S
CU

30. MADS is the acronym from the founding (gene) members of the gene family, namely,

19
MCM1, AGAMOUS, DEFICIENS and SRF derived respectively from
0
2 thaliana, Antirrhinum majus, Homo
(A) Saccharomyces cervisiae, Arabidopsis
sapiens
S T
TE
(B) Arabidopsis thaliana, Antirrhinum majus, Saccharomyces cervisiae, Homo
sapiens
(C) Antirrhinum majus,N
O Saccharomyces cervisiae, Homo sapiens, Arabidopsis
I
SSArabidopsis thaliana, Antirrhinum majus, Saccharomyces
thaliana
(D) Homo sapiens,
cervisiaeM
I
A
D
M
31. N
For the DNA
O strand 5'-TACGATCATAT-3' the correct complementary DNA strand is
M 3'-TACGAT CATAT-5',
O
(A)
M
E
CO (C) 3'-AUGCUAGUAUA-5'
(B) 3'-ATGCTAGTATA-5'

SA
C T
T (D) 3'-GCATAT ACGCG-5 '
CU 32.
AT N
A mature messenger RNA is 336 nucleotides long, including the initiator and termination
9
codons. The number of amino acids in the protein translated from this mRNA is
1
(A)
S IO
111 2 0
U S T
(B) 112
(C) 110
S
C IS E
(D) 113
T
N
O
M
33. The scientist who was awarded the Nobel Prize in Physiology or Medicine, "for the
S I
discovery that mutations can be induced by X-rays" is

IS
(A)

D Linus Carl Pauling
M
A
(B) George Beadle
(C) H J Muller D
(D) A
Edward Tatum
N
O
34.
M
All microbial contaminants are visible by light microscopy except
M
(A)
(B)
Bacteria
Fungi
C O
(C)
(D)
Yeast
Mycoplasma
AT
S
CU

35. Trypsin is a digestive serine protease which is made as a zymogen (proenzyme) in the

19
pancreas. As it enters the duodenum it is activated by
0
(A) Hexokinase 2
(B) Enterokinase
S T
E
(C) Rubisco
(D) Phosphokinase T
N
O
SI
36.
IS
Which one of the following is an example for non-reducing sugar?
M
(A) Maltose
A
(B) Lactose
D
M
N
(C) Trehalose
(D) O
M Cellobiose

SA
O
M
O E
37. C Km denotes affinity of an enzyme towards its substrate. Which one of the following Km

C T
T values depict highest affinity for a hypothetical enzyme?
CU
T
-5
(A) 1 x 10 M

A
(B) 1 x 10-6M
(C) 1 x 10-7M
N 19
S IO 0
(D) 1 x 10-8M
2
38.
U S ST
When a rotor in a centrifuge moves by 2π radians, it actually means that the rotor has

C IS
moved by an angle of
T E
(A) 45o
N
O
M
(B) 90 o
(C) 180 o
S I
IS
D
(D) 360 o

M
39.

(A)
(B)
A O
N
D
The inventor of electrophoresis is
A
Mikhail Tswett
Arne Wilhelm Kaurin Tiselius
(C) Linus Pauling
M
(D) Thomas Alva Edison
M
C O
AT
S
CU

40. Microscope used to study the structural details of fungal sheath is

(A) Dark field microscope 019
(B) Bright field microscope 2
(C) Phase contrast microscope
S T
E
(D) Dissecting microscope
T
N
O
41. I
X-rays were discovered by
S
S
(A) Pierre CurieI and Marie Curie
M
D
M
(B) John H. Muller
A Conrad Roentgen
(C) Wilhelm

N Becquerel
(D) Henri
O
M
42.

SA
T
O
M
C (A) Virus
(B) Bacteria
O
C T E
Mad Cow disease is caused by

CU
T
(C) Prions

N
(D) Fungi

43. A
S IO
Chikungunya is caused by
2 0 19
(A)
(B)
(C)
(D)
single-stranded RNA virus

C IS
double-stranded RNA virus

T E
single-stranded DNA virus
double-stranded DNA virus
ST
N
O
44.
M S I
Transfer of cellular genetic material from one bacterial cell to another by means of virus
IS
D
particles is called
M
(A) Transfection
(B)
A
Transduction
(C)
N
Transformation
(D)
O
Transposition

M
45. Chronobiology is M
C O
(A) A branch of science devoted to the study of biological rhythms
T to the study of ageing
(B) A branch of science devoted
(C) A branch of scienceAdevoted to the study of historical events
S devoted to the study of chromatography
U
(D) A branch of science
C

46. Norman Ernest Borlaug is considered as father of

(A) Green Revolution 019
(B) White Revolution 2
(C) Yellow Revolution
S T
E
(D) Black Revolution
T
N
O
47. I
If a cat has 38 chromosomes in each of its body cells, how many chromosomes will be
S
IS
there in each daughter cell after meiosis?
M
(A)
(B)
11
19 A
D
M
(C) N
38
(D) O
76
M

S
48.
AT
M

(A)
O E
COWhich one of the following is OMEGA SIX fatty acid?
C T
Myristic acid

CU
T
(B) Linolenic acid

A N
(C) Oleic acid
(D) Linoleic acid
19
S IO 2 0
49. ‘Energy can neither be created nor destroyed but can be converted from one form to
another’ explains the
ST
C IS
(A)
(B)
T E
First law of Mendelian genetics
N
First law of Thermodynamics
O
M
(C) Beer-Lambert law of spectroscopy
(D)
S I
First law of Motion

IS
50.
D M
‘Fluid Mosaic Model’ was proposed by

A
(A)
(B)
(C)
O
N
Robertson
A
D
Singer and Nicolson

Davidson-Danielli
(D) Watson and Crick
M
M
51. One Svedberg unit is equal to
C O
-13
(A) 0.1 x 10 sec
A T
(C) 0.5 x 10 sec S
-13
(B) 1.0 x 10 sec

(D) 1.5 x 10 sec U
-13

C
-13

52. β-carotene is the precursor of

(A) Vitamin A 019
(B) Vitamin B 2
(C) Vitamin C
S T
E
(D) Vitamin D
T
N
O
53. I
Pineapple is a specific example for plants with
S
(A) Crassulacean ISacid metabolism
M metabolism
D
M
(B) Hatch-Slack
(C) The A Calvin–Benson cycle

N cycle
(D) Krebs
O
M
54.

SA
T
O
M
O
L- Citrulline is
C (A) an amino acid
C T
(B) a monosaccharideE
CU
T
(C) a fatty acid

N
(D) a nucleotide

55. A
S IO 2 0 19
A single gene controlling many traits is known as

(A)
(B)
(C)
(D)
Multiple alleles

C IS
Linkage
Dominance
Pleiotropy T E ST
N
O
56.
M
Three-celled pollen is
IS
S I
(A)
D M
a male gametophyte

(B) a male gamete
(C)
A
a microspore
(D)
N
a megaspore

O
57. M
An enzyme that stimulates germination of barley seed is
M
(A)
(B)
α-amylase
β-galactosidase C O
(C)
(D)
lipase
invertase AT
S
CU

58. Which of the RNA has a structure resembling clover-leaf?

(A) rRNA 019
(B) hnRNA 2
(C) mRna
S T
E
(D) tRNA
T
N
O
59. I
The recognition site for EcoRI is
S
(A) GAATTC I
S
M
D
M
(B) CAAGTC
A
(C) AATGTC

N
(D) CTGAAT
O
M
60.

SA
T
O
M
Microarray

O
C (A) Gene expression
C T
(B) Gene coding E
is used to reveal the details of

CU
T
(C) Protein sequence

N
(D) Lipid profiling

61. A
S IO 2 0 19
HRP is a glycoprotein that can be effectively purified by

(A)
(B)
(C)
(D)
U S T
Lectin affinity chromatography

C IS
S
Metalchelate chromatography

T
Covalent chromatographyE
Hydroxylapatite chromatography
N
O
62.
M S I
Centre of origin of bread wheat is
IS
(A)
D Middle East
M
(B) Africa
(C) USA
A
(D) India
N
O
63. Latex is commercially obtained from M
M
(A)
(B)
Rubber tree
Neem tree C O
(C)
(D)
Rhine tree
Banyan tree AT
S
CU

64. Real time PCR is used to estimate

(A) Translational level of a gene 019
(B) Replication of DNA 2
(C) T
Transcriptional level of a gene
S
E
(D) Organization of RNA
T
N
O
65. I
Co-enzyme responsible for one carbon metabolism is
S
(A) Acetyl CoAI
S
M
D
M
(B) THF 4

A
(C) Biotin

N
(D) Pyridoxin
O
M
66.

SA
T
OThe
C (A) ATP O
M most common secondary messenger is

C T
(B) Cyclic AMP E
CU
T
(C) ADP

N
(D) GMP

67. A
S IO 2 0 19
According to Bronsted’s theory, the weakest acid has

(A)
(B)
(C)
(D)
U
C IS S
Strongest conjugate base
No conjugate base

T
Weakest conjugate base
Strong hydroxide
E ST
N
O
68.
M S I
First product of glycogeneolysis is
IS
(A)
D M
Glucose 6 - Phosphate

(B) Glucose 1- Phosphate
(C)
A
Glucose 1, 6 - diphosphate
(D)
N
Fructose 1- phosphate

O
69. M
Protein purification can be done by all except
M
(A)
(B)
Centrifugation
Densitometry C O
(C)
(D)
Electrophoresis
Chromatography AT
S
CU

70. The optically inactive amino acid is

(A) Glycine 019
(B) Tyrosine 2
(C) Valine
S T
E
(D) Threonine
T
N
O
71. I
Competitive enzyme inhibition will cause
S
(A) Decrease KmISand increase Vmax
(B) DecreaseM
D Km
M
Km and decrease Vmax
A
(C) Increase and increase Vmax

N Km and unchanged Vmax
(D) Increase
O
M
72.

SA
T
O
M
O
C (A) Golgi complex
C T
(B) Mitochondrion E
The powerhouse of the cell is

CU
T
(C) Nucleoli

N
(D) Vacuole

73. A
S IO 2 0 19
The secretion of salivary gland may be described as

(A)
(B)
(C)
(D)
Exocrine and merocrine

C IS
Endocrine and holocrine

T
Exocrine and holocrine
Endocrine and merocrine
E ST
N
O
74.
M S I
Cell that lacks nucleus is
IS
(A)
D Lymphoblast
M
(B) Erythrocyte
(C)
A
Cardiac muscle cell
(D)
N
Leucocyte

O
75. The three termination codons are M
M
(A)
(B)
UAA AAA GGU
UAA UAG AAU C O
(C)
(D)
UAA UUU UAG
UAA UAG UGA AT
S
CU

76. Natural rubber is a polymer derived from

(A) Isoprene 019
(B) Isoprene 2
(C) Ethylene
S T
E
(D) Butadiene
T
N
O
77. I
pH of blood and skin is
S
(A) 6.4 and 7.0 I
S
M
D
M
(B) 4.0 and 5.0
A 7.0
(C) 5.0 and

Nand 5.5
(D) 7.4
O
M
78.

SA
T
O
M
C (A) Density
(B) Polarity
O
C T E
Water drops are spherical because of

CU
T
(C) Surface tension

N
(D) Viscosity

79. A
S IO 2 0 19
Which gas is used to manufacture vanaspati from vegetable oil?

(A)
(B)
(C)
(D)
Carbon dioxide

C IS
Hydrogen
Nitrogen
Oxygen T E ST
N
O
80.
M
Air is a
IS
S I
(A)
D Compound
M
(B) Colloid
(C) Element
A
(D) Mixture
N
O
81. Due to rusting the weight of iron M
M
(A)
(B)
Decreases
Increases C O
(C)
(D)
Remains the same
Uncertain AT
S
CU

82. What is the term used to indicate the growth of new blood vessels?

(A) Biosynthesis 019
(B) Angiogenesis 2
(C) Apoptosis
S T
E
(D) Metastasis
T
N
O
83. I
Which molecules are involved in the anchoring of cells to an extracellular matrix?
S
(A) Integrins I
S
M
D
M
(B) Interleukins
A
(C) Angiostatin

N
(D) Cyclins
O
M
84.

SA
T
OWhich

O
M of the following enzyme is responsible for processing HIV proteins during the
E
C production of new viruses?
(A) Helicase
C T
CU
T
(B) Protease

A N
(C) Reverse transcriptase
(D) DNA polymerase
19
S IO 2 0
85. An enzyme carried by the flu virus catalyses the following reaction. Which enzyme is it?

ST
C IS O
N
T E

(A)
M IS
Hemagglutinin S I
(B)
(C)
D RNA polymerase
M
DNA polymerase

86.
A
(D)

O
N
A
D
Neuraminidase

The number of moles of solute present in 1 kg of a solvent is called its

(A) Molality M
M
(B)
(C)
Molarity
Normality
C O
(D) Formality
AT
S
CU

87. The main buffer system of the human blood is

(A) H2CO3 – HCO3- 019
(B) H2CO3 - CO32- 2
(C) CH3COOH - CH3COO-
S T
E
(D) NH2CONH2 - NH2CONH+
T
N
O
88. Aspirin is
S I
IS
(A) Ethyl salicylate
M
D
M
(B) Sodium salicylate
A salicylate
(C) Methyl

N salicylic acid
(D) Acetyl
O
M
89.

SA
T
O
M
C (A) G Phase
1
(B) M Phase
O
C T E
DNA synthesis occurs during

CU
T
(C) S Phase

N
(D) G2 phase

90. A
S IO
Humans are unable to digest
2 0 19
(A)

U
C IS
(B)
(C) S
Pectin
Complex carbohydrates
Denatured proteins
T E ST
(D) Cellulose
N
O
91.
M IS
S I
The synthesis or breakdown of __________ is often coupled with the metabolic

D
reactions.
M
(A) O2
(B) DNA A
(C) ATP
N
(D) CO2
O
M
92. A substance that absorbs moisture is M
called as

(A) Hygroscopic CO
(B) Amorphous
A T
(C) Hydrophobic
S
(D) Hydrophilic
C U

93. The heat energy produced when the human body metabolises 1.0 gram of fat is

(A) 30 KJ 019
(B) 39 KJ 2
(C) 1KJ
S T
E
(D) 29 KJ
T
N
O
94. I
Which pyrimidine base contains an amino group at C4?
S
(A) Cytosine I
S
(B) ThymineM
A
(C) Uracil
D
M
N
(D) Adenine
O
M
95.

SA
T
O
M
O E
FAD is reduced to FADH during

(B) Lactate fermentation
2

C (A) Electron transport phosphorylation
C T
CU
T
(C) Krebs cycle

A N
(D) Glycolysis

19
96.
S IO 2 0
Vitamin B12 is only synthesized by the

(A)
(B)
(C) U
C IS S
Fishes
Microorganisms
Plants
T E ST
(D) Animals
N
O
97.
M IS
S I
The nodes of cabbage are packed closely together, and all the leaves are tightly clustered

D
comes under which phyllotaxy?
M
(A) Opposite phyllotaxy
(B) A
Whorled phyllotaxy
(C)
N
Spiral phyllotaxy
(D)
O
Alternate phyllotaxy

M
98. M
Development of petal involves regulated

(A) Cell division C O
(B) Cell expansion
(C) Both (A) and (B) A
T
(D) Cell Elongation S
CU

99. Peroxisomes, a pore forming proteins, in the membranes permit passage of molecules as
large as
019
(A) 600Da 2
(B) 500Da
S T
E
(C) 800Da
(D) 1000Da T
N
O
SI
100. RNA polymerase IIStranscribes
M
I
A rRNA
(B) 18s/28s
M
(A) mRNADand a few small RNAs

N 5s rRNA, and other small RNAs
(C) tRNA,
(D) O
M Both (B) and (C)

SA
O
M
O E
101.C The 5’ end of eukaryotic mRNA is capped by adding which base to the terminal base of

C T
T the transcript via a 5’-5’ link?
CU (A) A
(B) T
(C) C
AT N 19
S IO 0
(D) G
2
102.
U S ST
What are all the contributing factors involved in cell cycle regulation ensuring that only

C IS E
certain cells divide at appropriate time?
T
(A) Growth factor
N
O
M
(B) Size of cell
(C)
S I
Nutritional state of cell

IS
D
(D) All of the above

M
103.

A
(A)
(B) O
N
D
What is the reaction centre for Photosystems I and II?
A
P700 and P650
P700 and P630
(C) P700 and P680
M
(D) All of the above
M
C O
AT
S
CU

104. If a short night plant is given long night, it does not flower. But it is possible to cause
flowering by illumination with
019
(A) Blue light 2
(B) White light
S T
E
(C) Red light
(D) Green light T
N
O
I
SI
105. In plant cell osmoticSadjustment during water stress results in
M in the number of solute particles
D
(A) net increase

M
A in solute particles
(B) net decrease

N
(C) fluctuations in the number of solute particles
O
(D) Both (A) and (C)
M

SA T
O
M

(A) Zea mays
O
C T E
106.C Which one of the following plant belongs to C group?
4

CU
T
(B) Vigna radiata

A N
(C) Cajanus cajan
(D) Vigna mungo
19
S IO 2 0
107. Which one is the correct order of gene regulation?

ST
C IS E
(A) DNA-RNA-tRNA-Protein
(B)
T
DNA-Protein- -mRNA- RNA
(C)
N
DNA-mRNA-RNA-Protein
(D)
O
DNA-RNA-mRNA-Protein

M IS
S I
D
108. Seed dormancy is controlled by a hormonal balance of
M
(A) Gibberellins
(B)
A
Abscisic acid
(C)
N
Both (A) and (B)
(D)
O
Benzyl-adenine

M
109. The anticancer drugs vincristine and M
vinblastins are isolated from

(A) Taxus brevifolli C O
(B) Cathathranthus roseas
A T
(C) Plumbago zeylanica
S
U
(D) Podophyllotum peltatum
C

110. What is the major storage tissue of pine seeds?

(A) Cotyledons 019
(B) Endosperm 2
(C) Megagametophyte
S T
E
(D) None of the above
T
N
O
111. I
The transgenic ‘Golden rice’ produces precursor of
S
(A) Vitamin E I
S
(B) Vitamin M
A
(C) Vitamin
DDA
M
N acid
(D) Folic
O
M
112. What

SA
T
O
O
M for the transgenic ‘Bt cotton’ produced?
C (A) Drought tolerance
C T
(B) Insect resistanceE
CU
T
(C) Pest resistance

N
(D) Herbicide resistant

113. A
S IO 2 0
Which was the first transgenic animal?
19
(A)
(B)
(C)
(D)
U
C IS S
Dolly
Zebrafish
Alba
Albino mice T E ST
N
O
114.
M S I
Transport of a substance from inside a cell to the outside is called as
IS
(A)
D Exocytosis
M
(B) Endocytosis
(C)
A
Both (A) and (B)
(D)
N
Pericarb

O
115. M
The portion of an antigen to which an antibody binds is called as
M
(A)
(B)
Adjuvant
Epitope C O
(C)
(D)
Effector
Precipitation AT
S
CU

116. Bioremediation is

(A) Removal of pollutant 019
(B) Removal of solid 2
(C) Removal of soil
S T
E
(D) Removal of chemicals
T
N
O
117. I
Sickle-cell anaemia is caused by
S
IS
(A) Recessive genes
M
(B) Lethal D
A
genes
(C) Chromosomal
M
aberrations

N genes
(D) p35
O
M

SA
T
O
118. Which
C (A) Blastomere O
M of the following cells would be considered differentiated?

C T
(B) Muscle cell E
CU
T
(C) Stem cell

A N
(D) Morula

19
119.
S IO
Scurvy is due to the deficiency of
2 0
(A)

U
C IS
(B)
(C) S
Vitamin A
Vitamin B
Vitamin C
T E ST
(D) Vitamin D
N
O
120.
M IS
S I
Green glands are excretory in function which are found in

(A)
D Moth
M
(B) Spider
(C) Scorpions
A
(D) Prawn
N
O
121. M
Which step is most important to bind the primers for target region of template DNA in
PCR? M
(A) Denaturation C O
(B) Annealing
AT
(C) Elongation
S
(D)
U
Final extension
C

122. Which of the following is a protein deficiency disease?

(A) Goitre 019
(B) Rickets 2
(C) Kwashiorkor
S T
E
(D) Pellagra
T
N
O
123. I
Which gland is responsible for producing high temperature during fever condition?
S
(A) Pitutatory I
S
(B) ThalamusM
A
D
(C) Hypothalamus
M
N
(D) Cerebellum
O
M

SA T
M
O
C T
(A) Down's syndrome E
124. Which of the following abnormality, resulted from the inheritance of an unbalanced
COcomplement of chromosomes can be diagnosed through karyotyping?

CU
T
(B) Turner's syndrome

A N
(C) Klinefelter's syndrome
(D) All of the above
19
S IO 2 0
125. In an organism, the chromosome number is maintained constant because of

ST
C IS E
(A) Independent assortment
(B) Crossing over
T
(C) DNA duplication
N
(D) Synapsis
O
M IS
S I
D
126. Virus and disease-free plants are produced by
M
(A) Micropropagation
(B)
A
Somatic Embryo genesis
(C)
N
Protoplast culture
(D)
O
Pollen culture

M
M of
127. Albinism is caused due to lack of production

(A) Tyrosine 3-monooxygenase C O
T
(B) Homogentisic acid oxidase
A
S
(C) Thiamine pyrophosphate

U
(D) Phenylalanine hydroxylase
C

128. Polio immunising vaccine was developed by

(A) Edward Jenner 019
(B) Jonas Salk 2
(C) Louis Pasteur
S T
E
(D) Paul Ehrlich
T
N
O
129. I
Brunner's glands are present in
S
(A) Stomach I
S
(B) Liver M
(C) Small
D
Aintestine
M
N intestine
(D) Large
O
M

SA
M
O
CO (A) Hemoglobin
T (B) Myoglobin
C T E
130. The following is not a heme protein

CU
T
(C) Cytochrome P450

N
(D) Lipoprotein

131. A
S IO 2 0 19
The enzyme rapidly interconverts dihydroxyacetone phosphate with glyceraldehydes 3-

phosphate is

ST
C IS E
(A) Glyceraldehyde phosphate dehydrogenase
(B)
T
Phosphoglycerate mutase
(C)
N
Triosephosphate isomerase
(D) Enolase
O
M IS
S I
D
132. Microsatellites are
M
(A) 10-40 bp short sized sequences within the gene
(B)
A
2-5 base pairs repeated 5-50 times within the gene
(C)
N
regions of chromosomes after secondary constriction
(D)
O
short coding regions on the eukaryotic genome

M
M primers in a PCR reaction is called
133. The set of DNAs generated using random

(A) RFLP C O
(B) in situ hybridization T
(C) AFLP
SA
CU
(D) RAPD

134. The DNA fingerprint pattern of a child is

(A) similar to father DNA print 019
(B) similar to mother DNA print 2
(C) T
exactly similar to both parent DNA print
S
E
(D) 50% similar to father and rest to mother
T
N
O
135. I
‘Human Genome Project’ was also focused in identifying
S
(A) AFLP IS
M
D
M
(B) RFLP
(C) VNTR A

(D) N
SNP
O
M

SA T
M
O
C T E
136. Classification of organisms based on evolutionary as well as genetic relationships is
COcalled
(A) Numerical taxonomy

CU
T
(B) Phonetics

A N
(C) Biosystematics
(D) Cladistics
19
S IO 2 0
137. Telomerase does which of the following ?

ST
C IS E
(A) Joins the Okazaki fragments on the lagging strand
(B)
T
Catalyzes DNA replication at the ends of chromosome
(C)
N
Enhances transcription
(D) Requires dCTP
O
M IS
S I
D
138. The only methylated base in mammals is
M
(A) Thymine
(B)
A
Methyl-Adenine
(C)
N
5-Methyl Cytosine
(D)
O
7-Methyl guanine

M
M proteins synthesized in a eukaryotic cell?
139. At which stage of the cell cycle are histones

(A) During prophase C O
(B) During telophase
(C) During S phase A
T
(D) During G2 stageS
C U of prophase

140. Atavism means

(A) Inheritance of a trait by mother 019
(B) Inheritance of a trait by father 2
(C) Sibling shows common character
S T
E
(D) Inheritance of distinct ancestor not shown by the parents
T
N
O
141. I
Filariasis is caused by
S
S
(A) WuchereriaIbancrofti
M
D
M
(B) Ascaris lumbricoides
A solium
(C) Taenia

N hepatica
(D) Fasciola
O
M

SA
M
O E
142. Chicken pox is caused by
CO (A) Varicella Zoster Herpes virus
T (B) Adeno virus
C T
CU
T
(C) Bacteriophage T2

N
(D) SV 40 virus

143. A
S IO 2 0 19
Use of steroids and anti-histamines give a quick relief from

(A)
(B)
(C)
(D)
U
C IS S
Headache
Allergy
Nausea
Cough T E ST
N
O
144.
M S I
Which one of the following act as a physical barrier to the entry of micro-organisms in
IS
D
human body?
M
(A) Tears
(B) Skin
A
(C)
N
Monocytes
(D)
O
Epithelium of urogenital tract

M
Msubstrates by covalent bonds are known as
145. Enzyme which catalyse binding of two

(A) Lyases C O
(B) Hydrolases
A T
(D) OxidoreductasesS
(C) Ligases

CU

146. An allosteric enzyme

(A) 019
is generally present at the end of the pathway
(B) 2
generally catalyses a reversible reaction
(C) T
generally catalyses the committed step unique to a pathway
S
E
(D) possesses only substrate site
T
N
O
147. I
Deoxygenerated blood is carried in
S
S
(A) Pulmonary Iartery
Mvein
D
M
(B) Pulmonary
A artery
(C) Carotid

N
(D) Aorta
O
M

SA T
M

(A) 65
O
C T E
148. What is the maximum limit of sound intensity in decibel units which a person cannot
COhear?

CU
T
(B) 75

A N
(C) 85
(D) 95
19
S IO 2 0
149. In a population unrestricted reproductive capacity is called as

ST
C IS E
(A) carrying capacity
(B) biotic potential
T
(C) birth rate
N
(D) fertility rate
O
M IS
S I
D
150. Red Data Book provides data on
M
(A) Red flowered plants
(B)
A
Red coloured fishes
(C)
N
List of plants and animals
(D)
O
Endangered plants and animals

M
M
C O
AT
S
CU

BIOTECHNOLOGY 9 - ANSWER KEY
1
20 CODE: 601
TEST
QN. NO. KEY QN. NO. KEY QN. NO. T KEY QN. NO. KEY QN. NO. KEY
E S

1 B 26 B 51 T B 76 A 101 D
2 C 27 C N
O52 A 77 D 102 D

I
3 D 28 A
ISS 53 A 78 C 103 C
4 C 29 A M 54 A 79 B 104 C
5 B 30 A AD 55
M D 80 D 105 A

6 A 31 BN 56 A 81 B 106 A
OA
7 D 32 M 57 A 82 B 107 D
8
9
10
B
C
D
33
34 T C
SA
35
O
M C
D
B
O
C TE
59
60
58
A
A
D
84
85
83
B
D
A 108
109
110
C
B
C
11
12
D
D
U
C 36
37
C
D
AT N
61
62
A
A
86
87
1
A
9
A
111
112
C
B
13 B 38 D
S I O63 A 88
2 0 D 113 A

14 B 39 B 64 C 89 C 114 A
15 C 40 C 65 B ST
90 D 115 B
16
17
A
C
41
42 C IS
C
C
66
67
B
A
O
N
T E 91
92
C
A
116
117
A
B
18 B 43 A
M 68
IS
B
S I 93 B 118 B

D
19 B 44 B 69 B 94 A 119 C
20 C 45 A 70 M A 95 C 120 D
21
22
23
D
A
B
46
47
48
A A
B
D
71
72
O
73
N
A
D D
B
A
96
97
98
B
C
C
121
122
123
B
C
C
M
24 A 49 B 74
MB 99 C 124 D

CO
25 B 50 A 75 D 100 A 125 C

AT
S
CU

019
2
QN. NO. KEY
S T
TE
126 A
127 A N
O
128 B SI
129 C IS
M
130 D A
D
M
131 C N
O
132 B M
133
134
135
D
D
D SA
T
CO
M
O
C TE
136
137
D
B
CU
AT N 19
138 B
S I O 2 0
139 C
140 D ST
141
142
A
A C IS O
N
T E
143 B
M IS
S I
D
144 A
145 C M
146
147
148
C
A
C
A O
N
A
D

M
149 B
M
CO
150 D

AT
S
CU