GATE 2017-2018 Biotechnology Set 1 Gate MCQs: multiple choice questions and answers,Mock Tests and Practice Papers

Question:

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

1.Glycine

2.alanine

3.aspartate

4.threonine

Posted Date:-2022-03-10 15:07:10

Question:

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

1.thymus

2.bone marrow

3.spleen

4.liver

Posted Date:-2022-03-10 14:44:23

Question:

 In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with

1.ferrous ammonium sulfat

2. uranium acetate

3.sodium chloride

4.basic fuchsin

Posted Date:-2022-03-10 15:22:38

Question:

 The molarity of water in a water : ethanol mixture (15 : 85, v/v) is approximately

1.0.855

2.5.55

3.8.5

4.55.5

Posted Date:-2022-03-10 15:23:26

Question:

 Which one of the following DNA sequences carries an invert repeat?

1.ATGAGCCCCGAGTA TACTCGGGGCTCAT

2.ATGAGCCGGCTCTA TACTCGGCCGAGAT

3.ATGAGCCGAGCCTA ACTCGGCTCGGAT

4.ATGAGCCTATGGTA TACTCGGATACCAT

Posted Date:-2022-03-10 15:25:45

Question:

A humanized antibody is one in which the

1.heavy and light chains are from human

2.heavy chain is from human and light chain is from mouse

3.light chain is from human and heavy chain is from mouse

4.CDRs are from mouse, and the rest is from human

Posted Date:-2022-03-10 14:45:21

Question:

A single base pair of DNA weighs 1.1 * 10-21 grams. How many picomoles of a plasmid vector of length 2750 bp are contained in 1 ÃŽÂ¼g of purified DNA?

1.0.30

2.0.55

3.0.25

4.0.91

Posted Date:-2022-03-10 15:28:22

Question:

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

1.Ribosomal protein gene

2.Transfer RNA gene

3.DNA repair gene

4.Ribosomal RNA gene

Posted Date:-2022-03-10 15:07:58

Question:

An example of a derived protein structure database is

1. Pfam

2.SCOP

3.GEO

4.Prosite

Posted Date:-2022-03-10 15:18:26

Question:

An example of a program for constructing a phylogenetic tree is

1.phylip

2.phrap

3.prodom

4.PHDsec

Posted Date:-2022-03-10 15:19:48

Question:

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

1.it is an organic solvent

2.it easily penetrates cells

3.it protects cells by preventing crystallization of water

4.it is also utilized as a nutrient

Posted Date:-2022-03-10 14:46:20

Question:

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

1.one molecule each of 3-phosphoglycerate and 2-phosphoglycolat

2.two molecules of 3-phosphoglycerate

3.two molecules of 2-phosphoglycolate

4.one molecule each of 3-phosphoglycerate and glyoxylate

Posted Date:-2022-03-10 15:14:34

Question:

Heat inactivation of serum is done to inactivate

1.prions

2.mycoplasma

3.complement

4.pathogenic bacteria

Posted Date:-2022-03-10 14:48:38

Question:

Identification of blood groups involves

1.precipitation

2.neutralization

3.opsonization

4.agglutination

Posted Date:-2022-03-10 14:43:04

Question:

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

1.Enzyme catalysis involves propinquity effects

2.The binding of substrate to the active site causes a strain in the substrate

3.Enzymes do not accelerate the rate of reverse reaction

4.Enzyme catalysis involves acid-base chemistry

Posted Date:-2022-03-10 15:17:41

Question:

Idiotypic determinants of an antibody are associated with the

1.constant region of the heavy chains

2.constant region of the light chains

3.variable region

4.constant regions of light and heavy chains

Posted Date:-2022-03-10 14:42:29

Question:

In an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 20 gl-1 (DCW), the specific growth rate (ÃŽÂ¼) is 0.4 h-1 and substrate uptake rate (v) is 16 gl-1h-1. The cell yield coefficient Yx/s will be

1. 0.32

2.0.64

3.0.8

4. 0.50

Posted Date:-2022-03-10 15:27:51

Question:

In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by

1.acetylation

2.phosphorylatio

3. methylation

4.glycosylation

Posted Date:-2022-03-10 14:40:41

Question:

In zinc finger proteins, the amino acid residues that coordinate zinc are

1.Cys and His

2.Asp and Glu

3.Arg and Lys

4.Asp and Arg

Posted Date:-2022-03-10 15:26:26

Question:

Match the entries in Group I with those in Group II.
Group I                  Group II
P. MTT                 1. Dihydrofolate reductase
Q. Annexin V       2. Succinate dehydrogenase
R. Methotrexate  3. Microtubules
S. Taxol                 4. Phosphatidylserine

1.P-3, Q-1, R-4, S-2

2.P-2, Q-4, R-1, S-3

3.P-2, Q-3, R-4, S-1

4. P-4, Q-2, R-1, S-3

Posted Date:-2022-03-10 15:27:13

Question:

Nude mice refers to

1.mice without skin

2.mice without thymus

3.knockout mice

4.transgenic mice

Posted Date:-2022-03-10 14:47:20

Question:

Protein-DNA interactions in vivo can be studied by

1.gel shift assay

2.Southern hybridization

3.chromatin immunoprecipitation assay

4.fluorescence in situ hybridization assay

Posted Date:-2022-03-10 15:08:52

Question:

Synteny refers to

1.gene duplication from a common ancestor

2.a tree representation of related sequences

3.the extent of similarity between two sequences

4.local conservation of gene order

Posted Date:-2022-03-10 15:20:56

Question:

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

1. 1.66 * 104 IU

2.60 IU

3.6 * 107 IU

4.106 IU

Posted Date:-2022-03-10 15:16:54

Question:

The basis for blue-white screening with pUC vectors is

1.intraallelic complementation

2.intergenic complementation

3.intragenic suppression

4.extragenic suppression

Posted Date:-2022-03-10 14:41:40

Question:

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

1.chromosomal inheritance

2.extra-chromosomal inheritance

3.chromosomal translocation

4.homologous recombination

Posted Date:-2022-03-10 15:10:14

Question:

The helix content of a protein can be determined using

1.an infrared spectrometer

2.a fluorescence spectrometer

3.a circular dichroism spectrometer

4.a UV-Visible spectrophotometer

Posted Date:-2022-03-10 15:24:53

Question:

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

1.Inactivated Sendai virus

2.Ca2+ at alkaline pH

3.Polyethylene glycol

4.Colchicine

Posted Date:-2022-03-10 15:15:33

Question:

While searching a database for similar sequences, E value does NOT depend on the

1.sequence length

2.number of sequences in the database

3.scoring system

4.probability from a normal distribution

Posted Date:-2022-03-10 15:21:49

Posted on by R4R Team

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Gate/GATE 2017-2018 Biotechnology Set 1 Sample Test,Sample questions

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

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

Question:
In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with

Question:
The molarity of water in a water : ethanol mixture (15 : 85, v/v) is approximately

Question:
Which one of the following DNA sequences carries an invert repeat?

Question:
A humanized antibody is one in which the

Question:
A single base pair of DNA weighs 1.1 * 10-21 grams. How many picomoles of a plasmid vector of length 2750 bp are contained in 1 ÃŽÂ¼g of purified DNA?

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

Question:
An example of a derived protein structure database is

Question:
An example of a program for constructing a phylogenetic tree is

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

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

Question:
Heat inactivation of serum is done to inactivate

Question:
Identification of blood groups involves

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

Question:
Idiotypic determinants of an antibody are associated with the

Question:
In an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 20 gl-1 (DCW), the specific growth rate (ÃŽÂ¼) is 0.4 h-1 and substrate uptake rate (v) is 16 gl-1h-1. The cell yield coefficient Yx/s will be

Question:
In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by

Question:
In zinc finger proteins, the amino acid residues that coordinate zinc are

Question:
Match the entries in Group I with those in Group II. Group I Group II P. MTT 1. Dihydrofolate reductase Q. Annexin V 2. Succinate dehydrogenase R. Methotrexate 3. Microtubules S. Taxol 4. Phosphatidylserine

Question:
Nude mice refers to

Question:
Protein-DNA interactions in vivo can be studied by

Question:
Synteny refers to

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

Question:
The basis for blue-white screening with pUC vectors is

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

Question:
The helix content of a protein can be determined using

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

Question:
While searching a database for similar sequences, E value does NOT depend on the

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R4R Team

Gate/GATE 2017-2018 Biotechnology Set 1 Sample Test,Sample questions

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

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

Question: In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with

Question: The molarity of water in a water : ethanol mixture (15 : 85, v/v) is approximately

Question: Which one of the following DNA sequences carries an invert repeat?

Question: A humanized antibody is one in which the

Question: A single base pair of DNA weighs 1.1 * 10-21 grams. How many picomoles of a plasmid vector of length 2750 bp are contained in 1 ÃŽÂ¼g of purified DNA?

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

Question: An example of a derived protein structure database is

Question: An example of a program for constructing a phylogenetic tree is

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

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

Question: Heat inactivation of serum is done to inactivate

Question: Identification of blood groups involves

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

Question: Idiotypic determinants of an antibody are associated with the

Question: In an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 20 gl-1 (DCW), the specific growth rate (ÃŽÂ¼) is 0.4 h-1 and substrate uptake rate (v) is 16 gl-1h-1. The cell yield coefficient Yx/s will be

Question: In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by

Question: In zinc finger proteins, the amino acid residues that coordinate zinc are

Question: Match the entries in Group I with those in Group II. Group I Group II P. MTT 1. Dihydrofolate reductase Q. Annexin V 2. Succinate dehydrogenase R. Methotrexate 3. Microtubules S. Taxol 4. Phosphatidylserine

Question: Nude mice refers to

Question: Protein-DNA interactions in vivo can be studied by

Question: Synteny refers to

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

Question: The basis for blue-white screening with pUC vectors is

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

Question: The helix content of a protein can be determined using

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

Question: While searching a database for similar sequences, E value does NOT depend on the

More MCQS

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R4R Team

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

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

Question:
In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with

Question:
The molarity of water in a water : ethanol mixture (15 : 85, v/v) is approximately

Question:
Which one of the following DNA sequences carries an invert repeat?

Question:
A humanized antibody is one in which the

Question:
A single base pair of DNA weighs 1.1 * 10-21 grams. How many picomoles of a plasmid vector of length 2750 bp are contained in 1 ÃŽÂ¼g of purified DNA?

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

Question:
An example of a derived protein structure database is

Question:
An example of a program for constructing a phylogenetic tree is

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

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

Question:
Heat inactivation of serum is done to inactivate

Question:
Identification of blood groups involves

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

Question:
Idiotypic determinants of an antibody are associated with the

Question:
In an exponentially growing batch culture of Saccharomyces cerevisiae, the cell density is 20 gl-1 (DCW), the specific growth rate (ÃŽÂ¼) is 0.4 h-1 and substrate uptake rate (v) is 16 gl-1h-1. The cell yield coefficient Yx/s will be

Question:
In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by

Question:
In zinc finger proteins, the amino acid residues that coordinate zinc are

Question:
Match the entries in Group I with those in Group II. Group I Group II P. MTT 1. Dihydrofolate reductase Q. Annexin V 2. Succinate dehydrogenase R. Methotrexate 3. Microtubules S. Taxol 4. Phosphatidylserine

Question:
Nude mice refers to

Question:
Protein-DNA interactions in vivo can be studied by

Question:
Synteny refers to

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

Question:
The basis for blue-white screening with pUC vectors is

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

Question:
The helix content of a protein can be determined using

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

Question:
While searching a database for similar sequences, E value does NOT depend on the