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Biotechnology Engineering - BT 2013 GATE Paper (Practice Test)


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65 Questions MCQ Test GATE Past Year Papers for Practice (All Branches) | Biotechnology Engineering - BT 2013 GATE Paper (Practice Test)

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Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 1

Q. 1 – Q.5 carry one mark each.

 If  then which of the following options is TRUE?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 2

The Headmaster ___________ to speak to you.
Which of the following options is incorrect to complete the above sentence?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 3

Mahatama Gandhi was known for his humility as

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 4

"All engineering students" "should learn mechanics", "mathematics and" "how to do computation."
                   I                                          II                                 III                                 IV
Which of the above underlined parts of the sentence is not appropriate?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 5

Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 6

Q. 6 to Q.10 carry two marks each.

Velocity of an object fired directly in upward direction is given by V=80-32t, where t (time) is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 7

In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 8

Following table gives data on tourists from different countries visiting India in the year 2011.

Which two countries contributed to the one third of the total number of tourists who visited India in 2011?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 9

If |-2x+9| =3 then the possible value of |-x| -x2 would be:

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 10

All professors are researchers
Some scientists are professors

Which of the given conclusions is logically valid and is inferred from the above arguments:

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 11

Q. 11 – Q. 35 carry one mark each.
Under alkaline conditions, DNA is more stable than RNA because

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 12

Which one of the following modifications is common toboth protein and DNA?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 13

Protein A, which has strong affinity to Fc region of immunoglobulin, is extracted from

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 14

The first humanized monoclonal antibody approved for the treatment of breast canceris

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 15

Which one of the following aminoacids in proteins does NOT undergo phosphorylation?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 16

The role of an adjuvant isto

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 17

Endogenous antigens are presented on to the cell surface along with

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 18

Human genome sequencing project involved the construction of genomic library in

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 19

The nucleotide analogue used in DNA sequencing by chain termination method is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 20

In nature, the horizontal gene transfer across bacteria is mediated by

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 21

Phylum proteobacteria is subdivided into α-, β-, γ-, δ- and ε-proteobacteria based on

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 22

Which one of the following is an ABC transporter?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 23

The catalytic efficiency for an enzyme is definedas

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 24

Of the two diploid species, species I has 36 chromosomes and species II has 28 chromosomes. How many chromosomes would be found in an allotriploid individual?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 25

The RNA primer synthesized during the replication process in bacteria is removed by

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 26

The suitable substitution matrix to align closely related sequences is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 27

If  which one of the following statements is TRUE?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 28

If  

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 29

Hypophosphatemia is manifested by an X-linked dominant allele.What proportion of the offsprings from a normal male and an affected heterozygous female will manifest the disease?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 30

One of theeigen values of  

*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 31

Q. 31 – Q. 35 are of numerical answer type.

A callus of 5 g dry weight was inoculated on semi-solid medium for growth. The dry weight of the callus was found to increase by 1.5 fold after 10 days of inoculation. The growth index of the culture is _________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 32

A chemostat is operated at a dilution rate of 0.6 h-1. At steady state, the biomass concentration in the exit stream was found to be 30 g l-1. The biomass productivity (g l-1h-1) after 3h of steady state operation will be ___________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 33

A batch bioreactor is to be scaled up from 10 to 10,000 liters. The diameter of the large bioreactor is 10 times that of the small bioreactor. The agitator speed in the small bioreactor is 450 rpm. Determine the agitator speed (rpm) of the large bioreactor with same impeller tip speed as that of the small bioreactor. _________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 34

Calculate the percentage sequence identity for the pairwise alignment given below. _______

 H E L L O – Y E L L O W


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 35

In a batch culture, the specific rate of substrate utilization is 0.25 g (g cell mass)-1 h-1 and specific rate of product formation is 0.215 g (g cell mass)-1 h-1. Calculate the yield of product from the substrate(Yp/s). ___________


Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 36

Q. 36 to Q. 65 carry two marks each.

Match the commercial microbial sources in Group I with the products in Group II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 37

Match the entries in the Group I with the elution conditions in Group II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 38

Determine the correctness or otherwise of the following Assertion (a) and Reason (r).

Assertion: Immobilization of plant cells can enhance secondary metabolite production during bioreactor cultivation.

Reason: Immobilization protects the plant cells from shear forces in the bioreactor.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 39

Match the cell structures in Group I with the organismsin Group II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 40

Match the antibioticsinGroup Iwith the targets inGroup II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 41

In nature, Agrobacterium tumefaciens mediated infection of plant cells leads to

P. crown gall disease in plants

Q. hairy root disease in plants

R. transfer of T-DNA into the plant chromosome

S. transfer of Ri-plasmid into the plant cell

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 42

Match the entries inGroup I with the enzymes inGroup II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 43

Match the herbicides in Group Iwith the target enzymesin Group II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 44

The activity of an enzyme was measured by varying the concentration of the substrate (S) in the presence of three different concentrations of inhibitor (I) 0, 2 and 4 mM.The double reciprocal plot given belowsuggests that the inhibitor (I) exhibits

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 45

Match the entries in Group Iwith the entries in Group II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 46

Determine the correctness or otherwise of the following Assertion (a) and Reason (r).

Assertion:UPGMA method produces ultrametric tree.

Reason:Sequence alignment is converted into evolutionary distances in UPGMA method.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 47

Match the entries in the Group Iwith the entries inGroup II.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 48

Evaluate 

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 49

The Laplace transform of f(t)=2t+6 is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 50

The solution of the following set of equations is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 51

The solution to   is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 52

A complete restriction digestion of a circular plasmid (5000bp) was carried out with HindIII,BamHIandEcoRIindividually. Restriction digestion yielded following fragments.

Plasmid + HindIII→ 1200bp and3800bp

Plasmid + BamHI→5000bp

Plasmid + EcoRI→ 2500bp

The number of sites for EcoRI,BamHIandHindIIIpresent on this plasmid are

*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 53

Q. 53 – Q. 57 are of numerical answer type.

The total number of fragments generated by the complete and sequential cleavage of the polypeptide given below by Trypsin followed by CNBr is _________

Phe-Trp-Met-Gly-Ala-Lys-Leu-Pro-Met-Asp-Gly-Arg-Cys-Ala-Gln


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 54

In a genetic study, 80 people were found to have alleles for polydactyly. Only 36 of them were polydactylous. What is the extent of penetrance percentage? ________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 55

One percent of the cars manufactured by a company are defective. What is the probability (upto four decimals) that more than two cars are defective, if 100 cars are produced? __________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 56

The maximum cell concentration (g l-1) expected in a bioreactor with initial cell concentration of 1.75 g l-1 and an initial glucose concentration of 125 g l-1 is (Yx/s = 0.6 g cell/g substrate) ________


*Answer can only contain numeric values
Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 57

A fed batch culture was operated with intermittent addition of glucose solution at a flow rate of 200 ml h-1. The values of Ks, um and D are 0.3 g l-1, 0.4 h-1 and 0.1 h-1, respectively. Determine the concentration of growth limiting substrate (gl-1) in the reactor at quasi-steady state. ____________


Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 58

Common Data Questions

Common Data for Questions 58 and 59:

A solution was prepared by dissolving 100 mg of protein X in 100 ml of water. Molecular weight of protein X is 15,000 Da; Avogadro’s number = 6.022x 1023.

Calculate the molarity(μM) of the resulting solution.

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 59

A solution was prepared by dissolving 100 mg of protein X in 100 ml of water. Molecular weight of protein X is 15,000 Da; Avogadro’s number = 6.022x 1023.

The number of moleculespresent in this solution is

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 60

Common Data for Questions 60 and 61:

The binding efficiency of three different receptorsR1, R2 and R3 were tested against a ligand using equilibrium dialysis, with a constant concentration of receptor and varying concentrations of ligand. The Scatchard plot of receptor titration with different concentration of ligand is given below (ris moles of bound ligand per moles of receptor and c is concentration of free ligand)

The number of ligand binding sites present on receptors R1 and R3, respectively are

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 61

The binding efficiency of three different receptorsR1, R2 and R3 were tested against a ligand using equilibrium dialysis, with a constant concentration of receptor and varying concentrations of ligand. The Scatchard plot of receptor titration with different concentration of ligand is given below (ris moles of bound ligand per moles of receptor and c is concentration of free ligand)

Which one of the receptors has thehighestaffinity for the ligand?

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 62

Linked Answer Questions

Statement for Linked Answer Questions 62 and 63:

A DNA fragment of 5000bp needs to be isolated from E.coli (genome size 4x103 kb) genomic library.

The minimum number of independent recombinant clones required to represent this fragment in genomic library are

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 63

A DNA fragment of 5000bp needs to be isolated from E.coli (genome size 4x103 kb) genomic library.

The number of clones to represent this fragment in genomic library with a probability of 95% are

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 64

Statement for Linked Answer Questions 64 and 65:

During sterilization of a fermentation medium in a given bioreactor heating= 12.56, cooling = 7.48 and the total value of required for whole sterilization process is 52, where is the design criteria.

What is the value of holding?

 

Biotechnology Engineering - BT 2013 GATE Paper (Practice Test) - Question 65

During sterilization of a fermentation medium in a given bioreactor heating= 12.56, cooling = 7.48 and the total value of required for whole sterilization process is 52, where is the design criteria.

What is the holding period (min) at a k value of 3.36min-1?

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