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GATE Biotechnology (BT) Online Mock Test Online Free

GATE Biotechnology (BT) Online Mock Test Online Free. This mock test having 25 questions in each subjects, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this GATE BT test question details at the end of the quiz.

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GATE 2016 :Biotechnology (BT) questions answers are applicable for any kind of Biotechnology (BT) Entrance preparation or PSU Competitive Exam in India. You can practice as much as you can to gather knowledge of how to answers GATE BT Exam 2016 critical type papers in short time and this can be a big factor for cracking all India engineering entrance level exam.



GATE Biotechnology (BT) Online Mock Test

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GATE Biotechnology (BT) Mock Test

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Question 1
In mismatch correction repair. the parental DNA strand is distinguished from the daughter strand by      
A
acetylation
B
phosphoiylation
C
methylation
D
glycosylation
Question 2
The basis for blue-white screening with pUC vectors is     
A
intraallelic coniplementation
B
intergenic complenientation
C
intragenic suppression
D
extragenic suppression
Question 3
Idiotypic determinants of an antibody are associated with the     
A
constant region of the heay chains
B
constant region of the light chains
C
variable reaion
D
constant re2ions of light and heavy chains
Question 4
Identification of blood groups involves       
A
precipitation
B
neutralization
C
opsonization
D
agglutination
Question 5
B-lymphocytes originate from the bone marrow whereas T-lymphocytes originate from      
A
thymus
B
bone marrow
C
spleen
D
liver
Question 6
A humanized antibody is one in which the    
A
heavy and light chains are from Inunaii
B
heavy chain is from human and light chain is from mouse
C
light chain is from human and heavy chain is froni mouse
D
CDRs are from mouse. and the rest is from human
Question 7
Dimethyl sulfoxide (DIvISO) is used as a clyopreservant for mammalian cell cultures because    
A
it is an organic solvent
B
it easily penetrates cells
C
it protects cells by preventing crystallization of water
D
it is also utilized as a nutrient
Question 8
Heat inactivation of senuu is done to inactivate             
A
prions
B
mycoplasina
C
complement
D
pathogenic bacteria
Question 9
Choose the correct signal transthiction pathway.    
A
Hoimone→ 7 TM receptor→ G protein→cAMP→ PKA
B
Honnone→ G protein→ 7 TM receptor→cAMP→PKA
C
Hormone→7 TM receptor→ G proteinPKA→ cAMP
D
Hormone→ 7 TM receptor→ cAv1P→0 protein→PKA
Question 10
A protein is phosphorylateci at a serine residue. A phosphomimic mutant of the protein can be generated by substituting that serine with      
A
glycine
B
alanine
C
aspartate
D
threonine
Question 11
A tnincated polypeptide is synthesized chic to a nonsense mutation. ‘Where would you introduce another mutation to obtain a thu-length polypeptide?      
A
Ribosomal protein gene
B
Transfer RNA gene
C
DNA repair gene
D
Ribosomal RNA gene
Question 12
Protein-DNA interactions in vivo can be studied by     
A
e1 shift assay
B
Southern hybridization
C
chromatin inimunoprecipitation assay
D
fluorescence in situ hybridization assay
Question 13
The direction of shell coiling in the snail Limnaea peregra is a classic example of     
A
chromosomal inheritance
B
extra-chromosomal inheritance
C
chromosonmi translocation
D
homolo2ous recombination
Question 14
During photorespiration under low CO₂ and high 0₂ levels. 0₂ reacts with ribulose 1 .$• bisphosphate to yield   
A
one molecule each of 3ephosphoglycerate and 2-phosphoglycolate
B
two molecules of 3-phosphoglycerate
C
two molecules of 2-phosphoglycolate
D
one molecule each of 3-phosphoglycerate and glyoxylate
Question 15
Identify the statement that is NOT applicable to an enzyme catalyzed reaction.    
A
Enzyme catalysis involves propinqiity effects
B
The binding of substrate to the active site causes a strain in the substrate
C
Enzymes do not accelerate the rate of reverse reaction
D
Enzyme catalysis involves acid-base chemistiy
Question 16
An example of a derived protein structure database is        
A
Pfam
B
SCOP
C
GEO
D
Prosite
Question 17
An example of a program for constructing a phylogenetic tree is      
A
phylip
B
phrap
C
prodom
D
PHDsec
Question 18
Synteny refers to    
A
gene duplication from a common ancestor
B
a tree representation of related sequences
C
the extent of similarity between two sequences
D
local conservation of gene order
Question 19
While searching a database for similar sequences. E value does NOT depend on the     
A
sequence length
B
number of sequences in the database
C
scoring system
D
probability from a normal distribution
Question 20
In transmission electron microscopy. electron opacity is eat1y eithanced by treating the specimen with     
A
fenous ammonium sulfate
B
uranium acetate
C
sodium chloride
D
basic fuchsin
Question 21
The molarity of water iii a water: ethanol mixture (15 : 85. v/v) is approximately     
A
0.85
B
5.55
C
8.5
D
55.5
Question 22
The helix content of a protein can be detenuined using     
A
an infrared spectrometer
B
a fluorescence spectrometer
C
a circular dichroism spectronieter
D
a UV-Visible spectrophotometer
Question 23
In zinc finger proteiiis. the amino acid residues that coordinate zinc are           
A
Cys and His
B
Asp and Gin
C
Arg and Lys
D
Asp and Arg
Question 24
Determine the correctness or otherwise of the followin2 Assertion (a) and Reason (r). Assertion: The production of secondary inetabolites in plant cell cultures is enhanced by the addition of elicitors. Reason: Elicitors induce the expression of enzymes responsible for the biosynthesis of secondary metabolites.   
A
Both (a) and (r) are true but (r) is not the correct reason for (a)
B
Both (a) and (r) are true and (r) is the correct reason for (a)
C
(a) is true but (r) is false
D
(a) is false but (r) is true
Question 25
Determine the correctness or otherwise of the followin2 Assertion (a) and Reason (r). Assertion: Plants convert fatty acids into glucose. Reason: Plants have peroxisomes.    
A
Both (a) and (r) are true but (r) is not the correct reason for (a)
B
Both (a) and (r) are true and (r) is the correct reason for (a)
C
(a) is true but (r) is false
D
(a) is false but (r) is true
Question 26
Detenuine the correctness or otherwise of the followin2 Assertion (a) and Reason (r). Assertion: In direct somatic embryogenesis. embryos are developed without going through callus formation. Reason: This is possible due to the presence of pre-etubryonically determined cells.   
A
Both (a) and (r) are true but (r) is not the correct reason for (a)
B
(a) is false but (r) is true
C
(a) is true but (r) is false
D
Both (a) and (r) are true and (r) is the correct reason for (a)
Question 27
A disease is inherited by a child with a probability of 1/4. In a family with two chuldren. the probability that exactly one sibling is affected by this disease is      
A
l/4
B
3/8
C
7/16
D
9/16
Question 28
The free energy change for the transport of three Na out of the cell is       
A
+ 1.5 kJ/rnol
B
—17.4 ki/mol
C
18.9 kJ/inol
D
+36.3 kJ/mol
Question 29
The free energy change for the transport of two K into the cell is      
A
+8.0 kJ/inol
B
—11.6 kJ/mol
C
+ 19.6 kJ/mol
D
+31.2 kJ/mol
Question 30
Therefore the lac-operon is    
A
repressed and can oniy be induced with lactose.
B
repressed and cannot be induced with lactose.
C
not repressed.
D
expressed only when glucose and lactose are present.
Question 31
The residence time required for the steady state reactor operation will be      
A
0.1 h
B
0.4 h
C
l.0h
D
All of these
Question 32
Choose the most appropriate alternative from the options given below to complete the following sentence: Suresh’s (log is the one was hurt iii (lie stampede.     
A
that
B
which
C
who
D
All of these
Question 33
Choose the grammatically INCORRECT sentence:    
A
They gave us the money back less the service charges of Tluee Hundred rupees.
B
This country’s expenditure is not less than that of Bangladesh.
C
The committee initially asked for a funding of Fifty Laldi rupees. but later settled for a lesser stun.
D
This country’s expenditure on educational reforms is very less.
Question 34
Which one of the following options is the closest in meaning to the word given below? Iitigate      
A
Diminish
B
Divulge
C
Dedicate
D
Denote
Question 35
Choose the most appropriate alternative from the options given below to complete the following sentence: Despite several _____________ the inissloim succeeded in its attempt to resolve time conflict.     
A
attempts
B
setbacks
C
meetings
D
delegations
Question 36
Wanted Teinporar, Part-tune persons for tile post of Field Interiewer to conduct personal interviews to collect and collate economic data. Requirements: High School-pass. must be available for Day. Evening and Saturday work. Transportation paul, expenses reimbursed. Which one of the followin2 is the best inference from the above advertisement?   
A
Gender-cliscriniinatory
B
Xenophobic
C
Not c1esiied to make the post attractive
D
Not gender-discriminatoiy
Question 37
Given the sequence of terms. AD C’G FK JP. the next term is      
A
OV
B
OW
C
PV
D
PW
Question 38
Which of the following assertions are CORRECT? P: Adding 7 to each entry in a list adds 7 to the mean of the list Q: Adding 7 to each entry in a list adds 7 to the standard deviation of the list R: Doubling each entry in a list doubles the mean of the list S: Doubling each entry in a list leaves the standard deviation of the list unchanged   
A
P. Q
B
Q. R
C
P. R
D
R. S
Question 39
An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60°/o and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of Xs shock absorbers. 96°/ó are reliable. Of Y’s shock absorbers. 72°/ó are reliable. The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y is     
A
0.288
B
0.334
C
0.667
D
0.720
Question 40
A political party orders an arch for the entrance to the ground in which the annual convention is being held. The profile of the arch follows the equation y = 2x — 0. 1x where y is tile height of the arch in meters. The inaxinium possible height of the arch is     
A
8 meters
B
10 meters
C
12 meters
D
14 meters
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