search
Log In
Welcome to GATE BioTechnology, where you can ask questions and receive answers from other members of the community.

Recent questions tagged gate2013

0 votes
0 answers
1
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 $M2$? $0.35$ $0.45$ $0.5$ $0.4$
asked Mar 26, 2018 in Numerical Ability Milicevic3306 7.9k points
0 votes
0 answers
2
Following table gives data on tourists from different countries visiting India in the year $2011$ ... the one third of the total number of tourists ho visited India in $2011$? USA and Japan USA and Australia England and France Japan and Australia
asked Mar 26, 2018 in Numerical Ability Milicevic3306 7.9k points
0 votes
0 answers
3
All professors are researchers. Some scientists are professors. Which of the given conclusions is logically valid and is inferred from the above arguments: All scientists are researchers All professors are scientists Some researchers are scientists No conclusion follows
asked Mar 26, 2018 in Analytical Aptitude Milicevic3306 7.9k points
0 votes
0 answers
4
If $\text{|-2X + 9| = 3}$ then the possible value of $|-X|-X^2$ would be: $30$ $-30$ $-42$ $42$
asked Mar 26, 2018 in Numerical Ability Milicevic3306 7.9k points
0 votes
0 answers
5
What is the holding period (min) at a $K$ value of $\text{3.36min}^{-1}?$ $10.6$ $9.5$ $8.4$ $7.2$
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
6
Select the pair that best expresses a relationship similar to that expressed in the pair $\text{water: pipe::}$ $\text{cart: road}$ $\text{electricity: wire}$ $\text{sea: beach}$ $\text{music: instrument}$
asked Mar 26, 2018 in Verbal Ability Milicevic3306 7.9k points
0 votes
0 answers
7
$\underset{I}{\underline{\text{All engineering students}}}\; \underset{II}{\underline{\text{should learn mechanics,}}} \;\underset{III}{\underline{\text{mathematics and}}}\; \underset{IV}{\underline{\text{how to do computation.}}}$ Which of the above underlined parts of the sentence is not appropriate? I II III IV
asked Mar 26, 2018 in Verbal Ability Milicevic3306 7.9k points
0 votes
0 answers
8
Mahatama Gandhi was known for his humility as he played an important role in humiliating exit of British from India he worked for humanitarian causes he displayed modesty in his interactions he was a fine human being
asked Mar 26, 2018 in Verbal Ability Milicevic3306 7.9k points
0 votes
0 answers
9
The Headmaster ____________ to speak to you. Which of the following options is incorrect to complete the above sentence? is wanting wants want was wanting
asked Mar 26, 2018 in Verbal Ability Milicevic3306 7.9k points
0 votes
0 answers
10
d 8 S Y S 11 then which of the following options is TRUE?
asked Mar 26, 2018 in Numerical Ability Milicevic3306 7.9k points
0 votes
0 answers
11
Velocity of an object fired directly in upward direction is given by $V = 80-32 t$, where $t$ (time)is in seconds. When will the velocity be between $32 m/sec$ and $64 m/sec$. $(1,3/2)$ $(½,1)$ $(½, 3/2)$ $(1, 3)$
asked Mar 26, 2018 in Numerical Ability Milicevic3306 7.9k points
0 votes
0 answers
12
A solution was prepared by dissolving $\text{100 mg}$ of protein $X$ in $\text{100 ml}$ of water. Molecular weight of protein $X$ is $\text{15,000 Da};$ Avogadro’s number = $6.022\times 10^{23}$. The number of molecules present in this solution is $40.15\times10^{19}$ $6.023\times10^{19}$ $4.015\times10^{19}$ $0.08\times10^{19}$
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
13
Which one of the receptors has the highest affinity for the ligand? $R1$ $R2$ $R3$ $R4$
asked Mar 26, 2018 in Immunology Milicevic3306 7.9k points
0 votes
0 answers
14
During sterilization of a fermentation medium in a given bioreactor $\nabla_{heaing}=12.56, \nabla_{cooling}= 7.48$ and the total value of $\nabla$ required for whole sterilization process is $52$, where $\nabla$ is the design criteria. What is the value of $\nabla_{holding}$? $31.96$ $42.32$ $52.43$ $61.18$
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
15
A DNA fragment of $5000bp$ needs to be isolated from E.coli (genome size $4\times10^3kb$) genomic library. The number of clones to represent this fragment in genomic library with a probability of $95\%$ are $5.9\times10^3$ $4.5\times10^3$ $3.6\times10^3$ $2.4\times10^3$
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
16
A DNA fragment of 5000bp needs to be isolated from $E.coli$ (genome size $4\times10^3 kb$) genomic library. The minimum number of independent recombinant clones required to represent this fragment in genomic library are $16\times10^2$ $12\times10^2$ $8\times10^2$ $1.25\times10^2$
asked Mar 26, 2018 in Recombinant DNA technology and Other Tools in Biotechnology Milicevic3306 7.9k points
0 votes
0 answers
17
A solution was prepared by dissolving $\text{100 mg}$ of protein $X$ in $\text{100 ml}$ of water. Molecular weight of protein $X$ is $\text{15,000 Da};$ Avogadro’s number = $6.022\times 10^{23}$. Calculate the molarity$(\mu M)$ of the resulting solution. $66.6$ $6.6$ $0.67$ $0.067$
asked Mar 26, 2018 in Bioprocess Engineering and Process Biotechnology Milicevic3306 7.9k points
0 votes
0 answers
18
Common Data for Questions 50 and 51:The binding eciency of three diamt receptorsRL R2 and R3 were tested against a ligand usirequilibrium dialysis, uith a constant concentration of receptor and varying concentrations of ligand- TlScatchard plot of receptor titration with diermt concentration of ... binding sites present on receptors R1 and R3, respectively are 1 and 4 l and l 4 and 1 2 and 2
asked Mar 26, 2018 in Immunology Milicevic3306 7.9k points
0 votes
0 answers
19
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? ______________
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
20
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? _____________
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
21
The total number of fragments generated by the complete and sequential cleavage of the polypeptide given below by Trypsin followed by $CNBr$ is __________. $Phe-Trp-Met-Gly-Ala-Lys-Leu-Pro-Met-Asp-Gly-Arg-Cys-Ala-Gln$
asked Mar 26, 2018 in Biochemistry Milicevic3306 7.9k points
0 votes
0 answers
22
The solution to $\frac {dy}{dx}+y \cot x=\csc x$ is $y=(c+x)\cot x$ $y=(c+x)\csc x$ $y=(c+x)\csc x\cot x$ $y=(c+x)\frac{\csc x}{\cot x}$
asked Mar 26, 2018 in Differential Equations Milicevic3306 7.9k points
0 votes
1 answer
23
A fed batch culture was operated with intermittent addition of glucose solution at a flow rate of $\text{200 ml h}^{-1}$. The values of $K_s,\: \mu_m$ and $D$ are $\text{0.3 g l}^{-1}, 0.4\:h^{-1}$ and $\text{0.1 h}^{-1}$, respectively. Determine the concentration of growth limiting substrate $(gl^{-1})$ in the reactor at quasi-steady state. ______________
asked Mar 26, 2018 in Bioprocess Engineering and Process Biotechnology Milicevic3306 7.9k points
0 votes
0 answers
24
The maximum cell concentration $(\text{g l}^{-1})$ expected in a bioreactor with initial cell concentration of $\text{1.75 g l}^{-1}$ and an initial glucose concentration of $\text{125 g l}^{-1}$ is ($Y_{X/S} = 0.6\:g\:cell/g$ substrate) ____________.
asked Mar 26, 2018 in Bioprocess Engineering and Process Biotechnology Milicevic3306 7.9k points
0 votes
0 answers
25
A complete restriction digestion of a circular plasmid $(5000bp)$ was carried out with $HindIII,BamHIandEcoRIindividually.$ Restriction digestion yielded following fragments. $Plasmid + HindIII \rightarrow 1200bp\: and\: 3800bp$ $Plasmid + BamHI \rightarrow 5000bp$ $Plasmid + EcoRI \rightarrow 2500bp$ ... $EcoRI-1, BamHI- 1, HindIII-2$ $EcoRl-3, BamHI-2, HindIII-1$ $EcoRI-2, BamHI-2, HindIII-1$
asked Mar 26, 2018 in Recombinant DNA technology and Other Tools in Biotechnology Milicevic3306 7.9k points
0 votes
0 answers
26
The solution of the following set of equations is $x+2y+3z=20$ $7x+3y+z=13$ $x+6y+2z=0$ $x=-2, y=2, z=8$ $x=2, y=-3, z=8$ $x=2, y=3, z=-8$ $x=8, y=2, z=-3$
asked Mar 26, 2018 in Linear Algebra Milicevic3306 7.9k points
0 votes
0 answers
27
The Laplace transform of $f(t) = 2t + 6$ is $\frac{1}{s}+\frac{2}{s^2}$ $\frac{3}{s}-\frac{6}{s^2}$ $\frac{6}{s}+\frac{2}{s^2}$ $-\frac{6}{s}+\frac{2}{s^2}$
asked Mar 26, 2018 in Differential Equations Milicevic3306 7.9k points
0 votes
0 answers
28
Evaluate $\underset{x\rightarrow\infty }{\lim}x\tan\frac{1}{x}$ $\infty$ $1$ $0$ $-1$
asked Mar 26, 2018 in Calculus Milicevic3306 7.9k points
0 votes
0 answers
29
Determine the correctness or otherwise of the following $\text{Assertion (a) and Reason (r)}$. $\text{Assertion:}$ $\text{UPGMA}$ method produces ultrametric tree. $\text{Reason:}$ Sequence alignment is converted into evolutionary distances in $\text{UPGMA}$ method. Both $(a)$ and $(r)$ are true ... not the correct reason for $(a)$ $(a)$ is true but $(r)$ is false $(a)$ is false but $(r)$ is true
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
30
Match the entries in the $\text{Group I}$ with the entries in $\text{Group II}$ ... $\text{P-2, Q-1, R-3, S-4}$ $\text{P-3, Q-4, R-2, S-1}$ $\text{P-1, Q-4, R-3, S-2}$
asked Mar 26, 2018 in Molecular Biology and Genetics: Milicevic3306 7.9k points
0 votes
0 answers
31
Match the entries in $\text{Group I}$ with the entries in $\text{Group II}$ ... $\text{P-4, Q-3, R-2, S-1}$ $\text{P-3, Q-2, R-1, S-4}$ $\text{P-2, Q-4, R-1, S-3}$
asked Mar 26, 2018 in Molecular Biology and Genetics: Milicevic3306 7.9k points
0 votes
0 answers
32
The activity of an enzyme was measured by varying the concentration of the substrate $(S)$ in the presence of three different concentrations of inhibitor $\text{(I) 0, 2 and 4 mM.}$ The double reciprocal plot given below suggests that the inhibitor $(I)$ exhibits substrate inhibition uncompetitive inhibition mixed inhibition competitive inhibition
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
33
Determine the correctness or otherwise of the following $\text{Assertion (a)}$ and $\text{Reason (r)}.$ $\text{Assertion:}$ Immobilization of plant cells can enhance secondary metabolite production during bioreactor cultivation. $\text{Reason:}$ Immobilization protects the plant cells from shear forces in the ... reason for $(a)$ $(a)$ is true but $(r)$ is false $(a)$ is false but $(r)$ is true
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
0 votes
0 answers
34
Match the herbicides in $\text{Group I}$ with the target enzymes in $\text{Group II}$ ... $\text{P-4, Q-1, R-2, S-3}$ $\text{P-4, Q-3, R-2, S-1}$ $\text{P-3, Q-2, R-4, S-1}$
asked Mar 26, 2018 in Biochemistry Milicevic3306 7.9k points
0 votes
0 answers
35
Match the entries in $\text{Group I}$ with the enzymes in $\text{Group II}$ ... $\text{P-4, Q-1, R-3, S-2}$ $\text{P-3, Q-1, R-4, S-2}$ $\text{P-3, Q-4, R-2, S-1}$
asked Mar 26, 2018 in Biochemistry Milicevic3306 7.9k points
0 votes
0 answers
36
Match the cell structures in $\text{Group I}$ with the organisms in $\text{Group II}$ ... $\text{P-4, Q-3, R-2, S-1}$ $\text{P-3, Q-4, R-1, S-2}$ $\text{P-4, Q-1, R-3, S-2}$
asked Mar 26, 2018 in Microbiology Milicevic3306 7.9k points
0 votes
0 answers
37
Match the antibiotics in $\text{Group I}$ wiith the targets in $\text{Group II}$ ... $\text{P-2, Q-4, R-3, S-1}$ $\text{P-4, Q-1, R-2, S-3}$ $\text{P-3, Q-4, R-2, S-1}$
asked Mar 26, 2018 in Molecular Biology and Genetics: Milicevic3306 7.9k points
0 votes
0 answers
38
Match the entries in the $\text{Group I}$ with the elution conditions in $\text{Group II}$ ... $\text{P-4, Q-3, R-1, S-2}$ $\text{P-3, Q-4, R-1, S-2}$ $\text{P-3, Q-4, R-2, S-1}$
asked Mar 26, 2018 in Analytical Techniques Milicevic3306 7.9k points
0 votes
0 answers
39
In nature, $\text{Agrobacterium tumefaciens}$ mediated infection of plant cells leads to P. crown gall disease in plants Q. hairy root disease in plants R. transfer of $\text{T-DNA}$ into the plant chromosome S. transfer of Ri-plasmid into the plant cell S only P and R only Q and S only Q only
asked Mar 26, 2018 in Molecular Biology and Genetics: Milicevic3306 7.9k points
0 votes
0 answers
40
In a batch culture, the specific rate of substrate utilization is $\text{0.25 g (g cell mass)}$^{-1} h^{-1}$ and specific rate of product formation is $\text{0.215 g (g cell mass)}$^{-1}h^{-1}$ . Calculate the yield of product from the substrate$(Y_{p/s})$._______________
asked Mar 26, 2018 in Others Milicevic3306 7.9k points
...