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Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - GATE MCQ


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30 Questions MCQ Test - Biotechnology Engineering - BT 2012 GATE Paper (Practice Test)

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) for GATE 2024 is part of GATE preparation. The Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) questions and answers have been prepared according to the GATE exam syllabus.The Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) MCQs are made for GATE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) below.
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Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 1

Q. No. 1 – 5 Carry One Mark Each
The cost function for a product in a firm is given by 2 5q , where q is the amount of production. The firm can sell the product at a market price of Rs.50 per unit. The number of units to be produced by the firm such that the profit is maximized is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 1

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 2

Choose the most appropriate alternative from the options given below to complete the following sentence:

Suresh’s dog is the one ________ was hurt in the stampede.

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Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 3

Choose the grammatically INCORRECT sentence:

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 4

Which one of the following options is the closest in meaning to the word given below?

Mitigate

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 5

Choose the most appropriate alternative from the options given below to complete the following sentence:

Despite several __________ the mission succeeded in its attempt to resolve the conflict.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 6

Q. No. 6 – 10 Carry Two Marks Each

Wanted Temporary, Part-time persons for the post of Field Interviewer to conduct personal interviews to collect and collate economic data. Requirements: High School-pass, must be available for Day, Evening and Saturday work. Transportation paid, expenses reimbursed. Which one of the following is the best inference from the above advertisement?

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 6

Gender is not mentioned in the advertisement and (B) clearly eliminated

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 7

Given the sequence of terms, AD CG FK JP, the next term is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 7

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 8

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

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 8

P and R always holds true Else consider a sample set {1, 2, 3, 4} and check accordingly

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 9

An automobile plant contracted to buy shock absorbers from two suppliers X and Y. X supplies 60% 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 X's shock absorbers, 96% are reliable. Of Y's shock absorbers, 72% are reliable. The probability that a randomly chosen shock absorber, which is found to be reliable, is made by Y is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 9

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 10

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 − 0.1x2 where y is the height of the arch in meters. The maximum possible height of the arch is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 10

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 11

Q. No. 11 – 35 Carry One Mark Each
In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 11

The mismatch repair deals with correcting mismatch of the normal bases using BER or NER enzyme systems. The system assumes that the parental strands are methylated and the freshly synthesized daughter strands are non methylated.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 12

The basis for blue-white screening with pUC vectors is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 12

Both pUC and the bacterial own genome produce a faulty gene product of Lac Z gene. The lac Z fragment, whose synthesis can be induced by IPTG, is capable of intra-allelic complementation with a defective form of 0-galactosidase enzyme encoded by host chromosome (mutation lacZDM15)

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 13

Idiotypic determinants of an antibody are associated with the

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 13

Immunoglobulin idiotypes are serologically defined determinants associated with the variable (V) region of antibody molecules

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 14

Identification of blood groups involves

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 14

All the blood grouping reactions are agglutination reactions. In these the antibodies against A and B antigens when added, they bind to the cell surface and result in clumping of cells. These clumps or settling down of cells is referred to as agglutination.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 15

B-lymphocytes originate from the bone marrow whereas T-lymphocytes originate from

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 15

All T cells originate from haematopoietic stem cells in the bone marrow. B cells undergo their complete maturation in the thymus while, T cells during their early stages of maturation migrate to the thymus and then undergo a process of maturation. They are released as competent and mature T cells from Thymus.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 16

A humanized antibody is one in which the

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 16

A humanized chain is a chain in which the complementarity determining regions (CDR) of the variable domains are foreign (originating from one species other than human, or synthetic) whereas the remaining chain is of human origin.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 17

Dimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures because

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 17

DMSO is used in cell freezing media to protect cells from ice crystal induced mechanical injury.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 18

Nude mice refers to

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 18

A nude mouse is a laboratory mouse from a strain with a genetic mutation that causes a deteriorated or absent thymus, resulting in an inhibited immune system due to a greatly reduced number of T cells.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 19

Heat inactivation of serum is done to inactivate

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 19

Heat-inactivation (heating to 56°C for 30 minutes) of serum is done to inactivate complement, a group of proteins present in sera that are part of the immune response.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 20

Choose the correct signal transduction pathway

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 20

In the G protein associated signal cascade system, binding of hormone to a cell surface receptor, like the 7TM (a 7 transmembrane alpha helices) which is a part of G protein. This will activate production of second messengers like cAMP by the enzyme adenylate cyclase. The cAMP in turn binds and activates down stream signal proteins line cAMP dependent protein kinase A (PKA).

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 21

A protein is phosphorylated at a serine residue. A phosphomimic mutant of the protein can be generated by substituting that serine with

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 21

To investigate the effect of serine 78 phosphorylation on p21 activity, replacement of serine 78 with aspartic acid is done, creating the phosphomimic p21S78D.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 22

A truncated polypeptide is synthesized due to a nonsense mutation. Where would you introduce another mutation to obtain a full-length polypeptide?

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 22

Non sense mutations causes premature stop to be introduced that would lead to truncated or incomplete protein synthesis. If the protein synthesis has to be continued, another mutation in t-RNA gene would continue be advised to get full length polypeptide

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 23

Protein-DNA interactions in vivo can be studied by

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 23

The strength of ChIP assays is their ability to capture a snapshot of specific protein: DNA interactions occurring in a system and to quantitate the interactions using quantitative polymerase chain reaction (qPCR).

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 24

The direction of shell coiling in the snail Limnaea peregra is a classic example of

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 24

The direction of shell coiling in snail is a classical example for extra chromosomal inheritance, as in this it is determined by maternal gene effects and not that of the offspring.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 25

During photorespiration under low CO2 and high O2 levels, O2 reacts with ribulose 1,5- bisphosphate to yield

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 25

During photo respiration under low CO2 and high O2 reacts with ribulose – 1, 5 bisphosphate to yield- one molecule each of 3-phosphoglycerate and 2- phosphoglycolate.

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 26

Which one of the following is NOT a protoplast fusion inducing agent?

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 26

Colchicines is not a protoplast fusion inducing agent instead it functions as mitotic inhibitor

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 27

The activity of an enzyme is expressed in International Units (IU). However, the S.I. unit for enzyme activity is Katal. One Katal is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 27

One katak is 6 x 107 IU units

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 28

Identify the statement that is NOT applicable to an enzyme catalyzed reaction

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 28

Enzymes accelerate the rate of the reverse reaction as well as the forward reaction, it would be helpful to ignore any back reaction by which E1P might form ES. The velocity of this back reaction would be given by v = k-2[E][P].

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 29

An example of a derived protein structure database is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 29

Protein structural database: Primary database: PDB Secondary database: SCOP, CATH

Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 30

An example of a program for constructing a phylogenetic tree is

Detailed Solution for Biotechnology Engineering - BT 2012 GATE Paper (Practice Test) - Question 30

A program for constructing phylogenetic tree is PHYLIP. It is a Phylogeny Inference Package. It is a free computational phylogenetic package which has programs for inferring evolutionary tree constructions.

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