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Recent questions tagged gate2018

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1
In a detailed study of annual crow births in India. it was found that there was relatively nogrowth during the period 2002 to 2004 and a sudden spike from 2004 to 2005. In anotherunrelated study. it was found that the revenue from cracker sales in India which ... rate. If cracker sale declines. crow birth will decline. Increased birth rate of crows will cause an increase in the sale of crackers.
asked Feb 20, 2018 in Others gatecse 1.4k points
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. . 1It x2 + x 1 = 0 What 15 the value of x4 + 4?x 1 5 7 9
asked Feb 20, 2018 in Others gatecse 1.4k points
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To pass a test. a candidate needs to answer at least 2 out of 3 questions correctly. A total of6.30.000 candidates appeared for the test. Question A was correctly answered by 3.30.000candidates. Question B was answered correctly by 2.50.000 candidates. Question C wasanswered ... the same as the numberanswering none. how many candidates failed to clear the test? 30.000 2.70.000 3.90.000 4.20.000
asked Feb 20, 2018 in Others gatecse 1.4k points
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4
A set of 4 parallel lines intersect with another set of 5 parallel lines. How manyparallelograms are fonned? 20 48 60 72
asked Feb 20, 2018 in Others gatecse 1.4k points
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5
An automobile travels from city A to city B and returns to city A by the same route. Thespeed of the vehicle during the onward and return journeys were constant at 60 km 11 and90 km 11. respectively. What is the average speed in km 11 for the entire journey? 73 73 74 75
asked Feb 20, 2018 in Others gatecse 1.4k points
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A11 ange the follou 111g tlu ee- -di1nensional objects 111 the descending oidei of theii \ oluines:(i) A cuboid \\ ith dimensions 10 cm. 8 cm and 6 cm(ii) A cube of side S cm(iii) A cylinder with base radius" c111 and height? c111(iv) A sphere of radius 7 cm(A) (i). (ii). (iii). (iv)(B) (ii). (i). (13:). (iii?)------
asked Feb 20, 2018 in Others gatecse 1.4k points
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The area of an equilateral triangle is J? What is the perimeter of the triangle? 2 4 6 S
asked Feb 20, 2018 in Others gatecse 1.4k points
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8
"When she fell down the . she received many but little help."The words that best ll the blanks in the above sentence are stairs. stares stairs. stairs stares. stairs stares. stares
asked Feb 20, 2018 in Others gatecse 1.4k points
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In spite ofbeing warned repeatedly. he failed to correct his behaviour."The word that best lls the blank in the above sentence is rational reasonable errant good
asked Feb 20, 2018 in Others gatecse 1.4k points
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10
For 0 S x S 271. Sin x and cos x are both decreasing functions in the intervalW2) men) (00%) Man)
asked Feb 20, 2018 in Others gatecse 1.4k points
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In a chemostat. the feed ow rate and culture volume are 100 1111 h and 1.0 L. respectively.With glucose as substrate. the values of ppm and K; are 0.2 11'1 and 1 g L. respectively. For aglucose concentration of 10 g L in the feed. the efuent substrate concentration (in g L)is
asked Feb 20, 2018 in Biochemistry gatecse 1.4k points
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12
The product of complete digestion of the plasmid shown below with EcoRI and HaeIII waspuried and used as a template in a reaction containing Klenow fragment of DNApolymerase. dNTPs and [a32P]-dATP in a suitable reaction buffer. The product thusobtained was puried and subjected to gel ... '1 kb 1Haelll t5' -GGCC-3HaeIII 3,_CCGG_5,5 kb TThe number of bands that will appear on the X-ray lm is
asked Feb 20, 2018 in Recombinant DNA Technology gatecse 1.4k points
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13
Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When theenzyme catalyzed reaction was carried out in the presence of 10 nM concentration of aninhibitor. there was no change in the maximal velocity. However. the slope of theLineweaver-Blu'k plot increased 3-fold. The dissociation constant for the enzyme-inhibitorcomplex (in nM) is
asked Feb 20, 2018 in Biochemistry gatecse 1.4k points
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14
First order deactivation rate constants for soluble and immobilized amyloglucosidaseenzyme are 0.03 min'1 and 0.005 min'l. respectively. The ratio of half-life of the immobilizedenzyme to that of the soluble enzyme is (rounded off to the nearest integer)
asked Feb 20, 2018 in Others gatecse 1.4k points
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15
A rod shaped bacterium has a length of 2 pm. diameter of 1 pm and density the same as thatof water. If proteins constitute 159-6 of the cell mass and the average protein has a mass of50 kDa. the number of proteins in the cell is(1 Da = 1.6 x 1034g)
asked Feb 20, 2018 in Biochemistry gatecse 1.4k points
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16
At the end of a batch culture. glucose solution is added at a flow rate of 200 nil-"h. If theculture volume after 2 h of glucose addition is 1000 ml. the initial culture volume (in 1111)is
asked Feb 20, 2018 in Bioprocess Engineering and Process Biotechnology gatecse 1.4k points
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17
IvIannualian cells in active growth phase were seeded at a density of 1>
asked Feb 20, 2018 in Microbiology gatecse 1.4k points
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18
Consider the following alignment of two DNA sequences:AGTAACAA- -ACAssumino an afne 0a scono scheme of an identi matrix for substitution. a ga initiationE E 5' ..penalty of 1 and a gap extens1on penalty ot 0.1. the score of the alignment is (up to onedecimal place)
asked Feb 20, 2018 in Bioinformatics gatecse 1.4k points
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19
Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the followingreaction:C6H1206 > ZCJHsOH + 2C0:Assuming complete conversion. the amount of ethanol produced (in g) from 200 g of glucoseis (up to two decimal places)
asked Feb 20, 2018 in Biochemistry gatecse 1.4k points
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20
Match the industrial products mentioned in Group I with their producer organisms inGroup IIGroup I Group IIP. Citric acid 1. T richodemza vindeQ. Cellulase 2. C losnidium acetobuo'lz'cmnR. Vitamin B12 3. Aspergilius nigerS Butanol 4. Propionibacrerium 'eudenreichii P- 4. Q- 3. R- 1. S-2 P-S. Q-l. R-Z. S-4 P-Z. Q- 1. R- 4 S3 P-3. Q-l. R-4. S-Z
asked Feb 20, 2018 in Microbiology gatecse 1.4k points
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21
5' capping of mRNA transcpts in eukaiyotes involves the following events:P. Addition of GMP on the 5' endQ. Removal of y-phosphate of the triphosphate on rst base at the 5' endR. 5'-5 linkage between GMP and the rst base at 5' endS. Addition of methyl group to N7 position of guanineWhich one of the following is the conect sequence of events? P. Q. R. S P. R. Q. S Q. P. R. S Q. P. S. R
asked Feb 20, 2018 in Molecular Biology and Genetics: gatecse 1.4k points
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22
The probability distribution for a discrete random variable X is given beloxv. The expectation value of X is (up to one decimal place)
asked Feb 20, 2018 in Equations gatecse 1.4k points
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23
If1+r + r2+ r3 +---00 = 1.5.then. 1 + 27' + 372 + 473 + 00 = (up to two decimal places)
asked Feb 20, 2018 in Others gatecse 1.4k points
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24
Calculate the following integral (up to two decimal places)fol(x + 3)(x + 1)dx =
asked Feb 20, 2018 in Others gatecse 1.4k points
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25
A pedigree of an inheritable disease is shown below. O Unaffected Female @ Carrier Female . Affected Female|:l Unaffected Male 0 Carrier Male I Affected Male\Vhat type of inheritance does the disease follow? Autosomal dominant Xlinked dominant X-linked recessive Autosomal recessive
asked Feb 20, 2018 in Immunology gatecse 1.4k points
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26
Moist heat sterilization of spores at 121 C follows rst order kinetics as per the expression:where. N is the number of viable spores. I is the time. kd is the rate constant and(IN . . - . is the rate 01 change of viable spores.(itIf kd value is 1.0 minl. ... in minutes.) required to reduce the number of viable sporesfrom an initial value of 1010 to a nal value of 1 is (up to two decimal places)
asked Feb 20, 2018 in Bioprocess Engineering and Process Biotechnology gatecse 1.4k points
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27
An aqueous solution containing 6.8 mg I. of an antibiotic is extracted with ainyl acetate. Ifthe partition coefcient of the antibiotic is 170 and the ratio of water to solvent is 85. thenthe extraction factor is
asked Feb 20, 2018 in Bioprocess Engineering and Process Biotechnology gatecse 1.4k points
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28
An analysis of DNA-protein interactions was carried out using all DNA-protein complexesin the protein data bank (PDB). The frequency distribution of four amino acid residues.represented as P. Q. R and S. occuning in non-covalent interactions between the protein andDNA backbone is shown below.60 - '1!G C(aCb) ... P-Ghi. Q-Glu. R-Lys. S-Arg P-Asn. Q-Asp. R-Arg. S-Lys P-His. Q-Glu. R-Gln. S-Lys
asked Feb 20, 2018 in Bioinformatics gatecse 1.4k points
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29
A microbial strain is cultured in a 100 I. stirred fermenter for secondary metaboliteproduction. If the specic rate of oxygen uptake is 0.4 h'1 and the oxygen solubility in thebroth is 8 mg L. then the volumetric mass transfer coefficient (Km) (in sl) of oxygenrequired to achieve a maximum cell concentration of 12 gL is (up to two decimalplaces)
asked Feb 20, 2018 in Bioprocess Engineering and Process Biotechnology gatecse 1.4k points
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30
Which one of the following statements is true with regard to processing and presentation ofprotein antigens? In the class II MHC pathway. protein antigens in the cytosol are processed byproteasomes In the class I MHC pathway. extracellular protein antigens ... peptides generated in the cytosol Invariant chain in endoplasmic reticulum is involved in transport of peptides and loadingof class I MHC
asked Feb 20, 2018 in Immunology gatecse 1.4k points
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31
Shear stress versus shear rate behavior of four different types of uids (I. II. III and IV) areshown in the gure below.Shear stress (N.m2) Shear rate (s'l)Which one of the following options is correct? I-Newtonian. II-Bingham plastic. III- ... . IV-Binghanl plastic I-Newtonian. II-Pseudoplastic. III-Binghani plastic. IV-Dilatant I-Newtonian. II-Binghani plastic. III-Pseudoplastic. IV-Dilatant
asked Feb 20, 2018 in Bioprocess Engineering and Process Biotechnology gatecse 1.4k points
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32
Which of the following are true with regard to anaerobic respiration in bacteiia?P. The nal electron acceptor is an inorganic substance other than molecular oxygenQ. The number of ATP molecules produced per glucose molecule is more than that producedin aerobic respirationR. The number of ATP ... level phosphoiylation is used to generate ATP P and S only Q and S only P and R only P. Q and S only
asked Feb 20, 2018 in Biochemistry gatecse 1.4k points
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33
Which of the following are true about bacterial superoxide dismutase?P. Present in obligate aerobesQ. Present in facultative anaerobesR. Present in aerotolerant anaerobesS Absent in obligate aerobes P and Q only P- Q and R only P and R only Q and 5 only
asked Feb 20, 2018 in Microbiology gatecse 1.4k points
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34
Which one of the combinations of the following statements is true about antibody structure?P. Limited proteolysis of rabbit IgG with the enzyme pepsin generates two antigen-bindingregions (Fab) and an Fc fragmentQ. Limited proteolysis of rabbit IgG with the enzyme papain generates a single ... IgG is composed ofboth light and heavy chains P and Q only P and R only R and S only Q and 5 only
asked Feb 20, 2018 in Immunology gatecse 1.4k points
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35
Determine the correctness or otherwise of the following Assenion [a] and the Reason [1]Assertion: The association constant in water for the G-C' base pair is three times lower thanthat for the A-T base pair.Reason: There are three hydrogen bonds in the G-C' base pair and two in the A-T base ... is tme Both [a] and [1] are false Both [a] and [1] are tme and [r] is not the con'ect reason for [a]
asked Feb 20, 2018 in Molecular Biology and Genetics: gatecse 1.4k points
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36
\Vhich one of the following amino acids is catalyzed by activated macrophages to producereactive nitrogen species? Arginine Asparagine Cysteine Histidine
asked Feb 20, 2018 in Immunology gatecse 1.4k points
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37
Determine the correctness or otherwise of the following Assenion [a] and the Reason [1]Assertion: Ab initio gene fmding algorithms that predict protein coding genes in eukaryoticgenomes are not completely accurate.Reason: Eukaryotic splice sites are difcult to predict. Both [a] and [r] are false [a] is ... con'ect reason for [a] Both [a] and [1] are tme but [r] is not the con'ect reason for [a]
asked Feb 20, 2018 in Bioinformatics gatecse 1.4k points
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38
Match the classes of RNA molecules in Group I with their functions in Group II.Group I Group IIP. snoRNA l. Protects geimline from transposable elementsQ. piR-\'A 2. Blocks translation of selected mRNAR. miRNA 3. Template for telomere elongationS. snRNA 4. Modication and processing of rRNA5. Splicing of RNA transcripts P-3. Q-s. R-Z. 5-4 P-l. Q-3. R4, 5.5 P-l. Q-4. R-S. 5.2 P-4. Q-l. 12-3. 3-5
asked Feb 20, 2018 in Recombinant DNA Technology gatecse 1.4k points
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39
V) hich of the tollou 111gc Wokines ale endogenous pylogens.P. Tumor necrosis factor-aQ. Interleukin-lR. Transfonning growth factor-[3S. Interleukin-10 P and Q only P and R only R and S only Q and S only
asked Feb 20, 2018 in Immunology gatecse 1.4k points
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40
Which one of the following is the solution for coszx + Zcosx + 1 = 0. for values of xin the range of 0 < x
asked Feb 20, 2018 in Equations gatecse 1.4k points
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