Menu

Previous Year Questions

TLS Online TPP Program

QUESTION ID:1

Which of the following gene is not a constituent of T-DNA in Agrobacterium  tumefaciens?

QUESTION ID:2

A reservoir has two pipes, A and B. Pipe A can fill the reservoir in 12 hours. Pipe B takes 15 hours to fill the reservoir. There is another waste pipe which can empty the reservoir When all the pipes are opened. the reservoir is full in 20 hours . How long will the waste pipe take to empty the full reservoir?

QUESTION ID:3

The population of a village is 1,00,000. Every year, villagers move to cities in search of jobs and the population of the village decreases at a rate of 5% per annum. Ilow many villagers will migrate in 2 years?

QUESTION ID:4

Which of these organelle sets are generally equipped with their own genomes?

QUESTION ID:5

Vande-Bharat express runs at a speed of 120 km/h. It starts from a station 8 hours after a goods train leaves that station. Vande-Bharat overtakes the goods train after 4 hours. The speed of the goods train is:

QUESTION ID:6

Which of the following molecules are involved in the formation of ATP by substrate level phosphorylation during glycolysis?

A. 1.3-bisphosphoglycerate

B. Glucose 6-phosphate

C. Phosphoenolpyruvate

D. Fructose 1.6-bisphosphate

QUESTION ID:7

Match List I with List II

 

LIST I              

 

LIST II

A.

Euchromatin

I.

Link sister chromatids together immediately after replication

B.

Condensin

II.

Partially decondensed region of chromatin with active genes regions

C.

Cohesin

III.

Highly condensed region of chromatin with inactive genes

D.

Heterochromatin

IV.

Help in chromosome condensation to further reduces mitotic chromosomes to compact bodies.

Choose the correct answer from the options given below:

QUESTION ID:8

A large cube with surface area of 1536 sq. cm is melted and small cubes each with surface area of 24 sq. cm are obtained. Find the number of small cubes obtained

QUESTION ID:9

What is meant by "Trophophase

QUESTION ID:10

Match List I with List II

 

LIST I              

 

LIST II

A.

RCSB

I.

Nucleotide Sequence database

B.

OMIM

II.

Organism specific genome database

C.

DDBJ

III.

Mutation database

D.

Fly base

IV.

Protein Structure Database

Which of the following is the correct match?

QUESTION ID:11

The term 'biotechnology' was coined by

QUESTION ID:12

What will be the molecular weight of the peptide with sequence ELTTEK following its backbone cyclization to cyclic-(ELTTEK)?[Molecular weights- E: 147. L: 131, T: 119. K: 146]

QUESTION ID:13

Electrons from excited chlorophyll molecules of photosystem II are accepted first by

QUESTION ID:14

Regarding thermal denaturation, the Tm of a protein denotes

QUESTION ID:15

EcoRI enzyme recognizes the sequence GAATTC. A stretch of linear DNA with six GAATTC sites, upon digestion with EcoRI, will give rise to

QUESTION ID:16

Sam invested Rs. 30.000 at 5% per annum on simple interest for 4 years to Shyam. Sam also invested the same amount, for same duration and same rate of interest to Mohan on compound interest. What will be the difference of interest received by him in two cases?

QUESTION ID:17

If (√11 x √11)1/2 + (9)1/2 (n)3 + √11-340 find the value of n

QUESTION ID:18

Lichen is an example of symbiotic relationship between

QUESTION ID:19

Which of the following enzymes is NOT a part of the DNA replication machinery?

QUESTION ID:20

How much is 10-23  liter equal to?

QUESTION ID:21

D-Alanine and L-Alanine are:

QUESTION ID:22

Codon optimization is essential to

QUESTION ID:23

The common metabolic precursor of amino acids such as Proline and Glutamine is

QUESTION ID:24

The sum of the circumference of the circle and the perimeter of square is 181 cm. The diameter of the circle is 28 cm. What is the sum of the area of circle and square?

QUESTION ID:25

There are two numbers such that the sum of thrice the first number and twice the second number is 180 and the difference of the four times the first number and twice the second number is 100. Then the product of two numbers is

QUESTION ID:26

Acid rain is caused by

QUESTION ID:27

Imran runs at 10 miles/hour and completes a track in 151.2 minutes. His friend Nawaz completes the same track in 210 minutes. How fast was Imran running compared to his friend?

QUESTION ID:28

Which of the following methods CANNOT be used for ab initio determination of the three dimensional structure of proteins? 

QUESTION ID:29

Which of the following statements correctly depicts the Beer-Lambert law?

QUESTION ID:30

As per Section 4 of Patents Act 1970, which of the following is NOT patentable in India?

QUESTION ID:31

What is the product formed upon decarboxylation of oxalic acid with release of one molecule of CO₂? 

QUESTION ID:32

Which of the following dyes CANNOT be used as a fluorescent probe for microscopy?

QUESTION ID:33

Match List I with List II

 

   LIST I                                                 

 

LIST II

A.

A tumor arising from endodermal tissue

I.

Lymphoma

B.

A tumor arising from mesodermal connective tissue.

II.

 

Leukemia

C.

A tumor arising from lymphoid cells.

III.

 

Carcinoma

D.

Cancer cells arising from hematopoietic cells that do not grow as a solid tumor.

IV.

 

Sarcoma

Choose the correct answer from the options given below

QUESTION ID:34

The common precursor of neurotransmitters dopamine, epinephrine and norepinephrine is

QUESTION ID:35

Which of the following is a marker enzyme for the Lysosome?

QUESTION ID:36

Which of the following enzymes is NOT involved in protein folding?

QUESTION ID:37

How much Albumin (Mol.Wt.67,000 Da) must be taken to couple it with 1.8 mg Aspirin (Mol. Wt. 180 Da) in a 1:1 (mole/ mole) reaction between the two? mole) reaction between the two?

QUESTION ID:38

Given below are two statements: one is labelled as Assertion A and the other is labelled as ReasonR.

Assertion A: The sum and difference of L.C.M and H.C.F of two numbers are 504 and 456. If the sum of the numbers is 216, then the numbers are 120 and 96.

Reason R: Product of two numbers = Product of their L.C.M and H.C.F In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:39

Sita and Gita can do a piece of work together in 12 days. If Gita is three times more efficient than Sita, how long will Sita take to complete the work alone?

QUESTION ID:40

Which of the following plant organs is NOT a potential explant for tissue culture?

QUESTION ID:41

In affinity chromatography, the protein bound to the column can be eluted using a buffer containing

QUESTION ID:42

Find the sum of the digits in the unit place of all 4 digit numbers formed using 3, 4. 5, and 6 without any repetition.

QUESTION ID:43

Rehan made a single stranded DNA with the following sequence 5'GGATCT32 With which of the following single strands will it form the weakest duplex?

QUESTION ID:44

In a class, the average weight of boys is 65 Kg and average weight of girls is 55 Kg. If average weight of all students of the class is 62 Kg, find the number of girls in the class if boys are 35 in number.

QUESTION ID:45

Match List I with List II

List I

(Indian Enviornmentalists)

 

List II

(environmental impact awareness)

A.Sh. Sunderlal Bahuguna

I. Tehri Bachao Andola

B. Sh. Rajender Singh

II. Conservation of Indian Birds

C. Sh. Salim Ali

III. Water conservation

D. Mrs. Maneka Gandhi

IV. Animal Welfare

Choose the con·ect answer fi·om the options given below:

QUESTION ID:46

Which of the following amino acids has two chiral centres?

QUESTION ID:47

Assuming 100% reaction efficiency, how many copies of dsDNA containing the amplicon will be present in the polymerase chain reaction mixture after 25 cycles?

QUESTION ID:48

The tenure of a registered trade mark in India is generally

QUESTION ID:49

Which one of the following is NOT a type of Intellectual property rights?

QUESTION ID:50

Clustering in a gene expression analysis via microarray experiment refers to

QUESTION ID:51

Which one of the following genetic processes involves sex pili?

QUESTION ID:52

Following are certain statements regarding FLOWERING LOCUS C (FLC) gene in Arabidopsis: S
A. FLC is a strong repressor of flowering.
B.Higher expression of FLC induces early flowering
C.FLC is activated by FRIGIDA (FRI
D.Vernalization represses FLC
Which of the following sets of statements is correct

QUESTION ID:53

Given below are two statements: Statement I: Palindromic sequences are DNA sequences that are the same when cach strand of DNA is read in the same direction.
Statement II: Palindromic sequences serve as recognition sites for many type II restriction endonucleases.
In the light of the above statements, choose the correct answer from the options given below

QUESTION ID:54

SELEX (systematic evolution of ligands by exponential enrichment) is a useful technique for identifying a ligand-specific oligonucleotide which can be utilized for diagnosis and treatment. The molecule is termed as

QUESTION ID:55

Which one of the following is NOT true regarding phosphoenolpyruvate carboxykinase type of C4 photosynthesis?

QUESTION ID:56

Which one of the following is a neurodegerative disease?

QUESTION ID:57

Cholesterol is transported in blood in the form of low-density lipoprotein (LDL) particles that contain Apolipoprotein. cholesterol, cholesteryl esters with long fatty acid chains and phospholipids. Where do you think the phospholipids are located in LDL particles?

QUESTION ID:58

Given below are two statements: Statement I: CpG islands are sequences present in eukaryotic DNA.Statement II:Promoter regions of many expressed genes in eukaryotes are generally enriched in CpG islands. In the light of the above statements, choose the correct answer from the options given below

QUESTION ID:59

Polyhydroxyalkanoates produced by microorganisms have application as

QUESTION ID:60

Which of the following structures is NOT seen in cells of angiosperms? 

QUESTION ID:61

CRISPR-Cas9 technology is typically used for

QUESTION ID:62

In a fungal fermentation where broth rheology is pseudoplastic, aeration is

QUESTION ID:63

Match photosynthetic proteins (List I) with the respective encoding genes (List II)

List I

 

List II

 

A.D1

I.psbB

B.D2

II.psbD

C.CP47

III.psbC

D.CP43

IV.psbA

Choose the correct answer from the options given below:

QUESTION ID:64

The annotation of a genome sequence is generally stored in which of the following file formats?

QUESTION ID:65

Which one of the following is not a type of G-protein coupled receptors?

QUESTION ID:66

Signal propagation at a chemical synapse is characterized by
A.delay and bidirectional signal propagation.
B.delay and unidirectional signal propagation.
C.efflux of Ca++ ions leading to release of neurotransmitter at the pre-synaptic terminal.
D.significant influx of Ca++ ions at the post-synaptic neuron leading to neurotransmitter release and generation of action potential.
Choose the con·ect answer from the options given below:

QUESTION ID:67

Which of the following can be used for discovery of unknown conserved motif/s in a given set of DNA/protein sequences?

QUESTION ID:68

Which one of the following does not directly account  for water potential in plants?

QUESTION ID:69

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: A base substitution in DNA does not always result in mutant
phenotype. Reason R: Some base substitutions in codons do not change the encoded amino acid.
In the light of the above statements. choose the most appropriate answer from the options given below

QUESTION ID:70

Which one of the following laboratory tests would be the best to determine the number of CD4-positive cells in the blood of a patient infected with HIV?

QUESTION ID:71

Match the plant source (List I) with the corresponding secondmy metabolites (List II)

List I

 

List II

 

A.Belladona

I. Menthol

B. Foxglove

II. Atropine

C. Pacific yew

III. Digitalin

D. Eucalyptus

IV.  taxol
Choose the correct  answer from the options given below:

QUESTION ID:72

A mechanically agitated bioreactor for an aerobic microbial process can be scaled up from pilot plant data to commercial plant on the basis of

QUESTION ID:73

Match List I with List II

List I

(bacterial products)

List II

(popular applications)

A.Nisin

I. Antioxidants

B.Superoxide dismutases

II. Preservation

C. Polysaccharides

III. Lactose digestion ,control of intestinal pathogens

D.Probiotic cultures

IV. Gums and thickeners ,culture viscosity stabilizers

Choose the correct  answer from the options given below:

QUESTION ID:74

Which one of the following is not considered as a secondary messenger?

QUESTION ID:75

Equine embryo collection is commonly performed on day 7 or 8 (day 0 = ovulation) because

QUESTION ID:76

Biological Oxygen demand refers to the amount of oxygen that bacteria consume during

QUESTION ID:77

Which of the following BLAST search program is used to find the putative function of a given nucleotide sequence to search a protein sequence database?

QUESTION ID:78

Enzymatic production of aspartame (a low calorie sweetener) involves the use of

QUESTION ID:79

During genome assembly, which of the following sequence is generally followed to obtain a good chromosome-level assembly?

QUESTION ID:80

Match List I  and List II

List I

List II

A.DnaA

I. Recognizes ori sequence ;opens duplex at specific sites in origin

B.DnaB

II. Unwinds DNA

C.DnaC

III. Synthesizes RNA primers

D.DNA gyrase

IV. Relieves torsional strain generated by DNA unwinding

Choose the conect answer fi:om the options given below:

QUESTION ID:81

Which of the following is NOT true for microalgae?

QUESTION ID:82

The intrinsic apoptotic pathway is primarily regulated by

QUESTION ID:83

What are proto-oncogenes?

QUESTION ID:84

Many bacteria produce an extracellular capsule composed of a network of polysaccharides and/or proteins that are loosely attached to the cell wall. Which of the following statement is INCORRECT about the capsule?

QUESTION ID:85

Following are certain statements regarding Gibberellin (GA) signal transduction in Arabidopsis plants:

A. DELLA is a negative regulator of growth.

B. GA is not required for the interaction of DELLA with GID1 protein.

C. GID is a receptor of GA.

D. DELLA is ubiquitinated only after GDI1 perceives GA and binds to DELLA.

E. Proteasomal degradation of DELLA is required for the growth of plant.

Which of the following sets of statements is correct?

QUESTION ID:86

The antigen-binding site on antibodies is formed primarily by

QUESTION ID:87

Alpha fold is an artificial intelligence based method for

QUESTION ID:88

Which of the following processes turn-on and turn-off the alpha subunit of a heterotrimeric G-protein?

QUESTION ID:89

The shear stress responsible for cell death in airlift fermentors CANNOT be reduced by

QUESTION ID:90

The RecA protein is involved in

QUESTION ID:91

A Phred score of 30 in a DNA sequencing output refers to the probability of incorrect base call as

QUESTION ID:92

Which of the following statements is most appropriate with regards to the primary and secondary antibody responses?

QUESTION ID:93

Which one of the following cells is involved in translocation of microRNA in plants?

QUESTION ID:94

Which of the following pigment makes some archaea to appear purple? ment makes some archaea to appear pe

QUESTION ID:95

1000 dm³ of fermentation medium containing 1x10+ Bacillus thuringenesis cells per cm3 is sterilized to achieve probability of contamination of 1 in 1000. Calculate the Del factor

QUESTION ID:96

Which one of the following is a nucleic acid hybridization-based test for diagnosis of Tuberculosis?

QUESTION ID:97

An antimalarial drug such as primaquine is believed to act by causing oxidative stress to the parasite. This drug is not suitable for treatment in individuals having deficiency in

QUESTION ID:98

Match List I with List II

List I

List II

A.Gibberelins

I. Phytoene

B. Cytokinins

II.Squalene

C. Abscisic

III.Isopentenyl diphosphate

D. Brassinosteroids

IV. Geranylgeranyl diphosphate

Choose the correct answer from the options given below:

(DROP)

QUESTION ID:99

Which of the following autoimmune disorders involve an attack on intestinal tissues that leads to destruction of gut epithelia and poor absorption of food?

QUESTION ID:100

After sequencing the genome of a new species you have obtained 2 ,500,000 reads each of 100-nt in length. Following assembly, the draft genome obtained is of 5 Mb size. What is the depth of coverage of the sequencing?

QUESTION ID:101

Metagenomics refers togenomesequencing of a collection of

QUESTION ID:102

Intake of total folic acid should not exceed adults. in the diet for

QUESTION ID:103

In a single stage continuous extraction system. solvent is added to cell-free culture filtrate containing the product. If the partition coefficient of the product is 5. then to extract 90% of the product, assuming ideal single stage, the flow rate of solvent should be times the flow rate of the culture filtrate.

QUESTION ID:104

What is true about similarity and homology between protein sequences?

QUESTION ID:105

Which of these is NOT a multiple sequence alignment program?

QUESTION ID:106

Bootstrap value in a phylogenetic tree indicates

QUESTION ID:107

Nitrogenase is a complex enzyme consisting of MoFe protein and Fe-protein. Which one of the following statements regarding Nitrogenase enzyme is NOT correct?

QUESTION ID:108

"TORCH" test is utilized in pregnant females to detect Antibodies against

QUESTION ID:109

The telomerase enzyme has the following activity

QUESTION ID:110

Peppers in spicy food are "hot" because the capsaicin usually activates

QUESTION ID:111

To enhance biodegradation process efficiently it is required to vary the design and operation of activated sludge system. Which of the following variations in design and operation of this system is NOT correct?

QUESTION ID:112

The group of organism in marine systems that feed on dead biomass and waste material is called

QUESTION ID:113

Which of the following wavelengths of light are perceived by zeitlupe photoreceptor?

QUESTION ID:114

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason Rm Assertion A: The strand separation of DNA occurs in vivo during processes such as DNA replication and transcription Reason R: The sites where these processes are initiated are often rich in C/G base pairs
In the light of the above statements. choose the most appropriate answer from the options given below

QUESTION ID:115

Match List I with List II

List I

 

List II

 

A.Interleukin -2 (IL-2)

I.Activates NK cells and T cells ,protently

Induces production of interferons ,shifts immune response to TH1

 

B. Interleukin γ (IFN)- γ

II.Major mediator of inflammation stimulate macrophages and cytokine production

C. Tumor necrosis

Factor (TNF)

III. Strong macrophage -activating factor ,causes a variety of cells to express class II MHC molecules

D. Interleukin -12 (IL-12)

IV. Major growth factor for T and B cells , enhances cytolytic activity of natural killer cells

Choose the correct answer from the options given below:

QUESTION ID:116

Which one of the following organisms is most likely to be the cause of pneumonia in an immunocompetent infant?

QUESTION ID:117

Which of the following statements is NOT true for penicillin production using Penicillium notatum?

QUESTION ID:118

Which of the following types of plastids is formed first when Etioplast types are exposed to light?

QUESTION ID:119

Which is the most common side effect of beta-lactam antibiotics?

QUESTION ID:120

Siderophores are generally

QUESTION ID:121

The technique commonly used to resolve large sized DNA fragments (>20 kb) following digestion with restriction enzymes is

QUESTION ID:122

Megakaryocytes are the major source of

QUESTION ID:123

Which of the following methods is used to determine the three-dimensional structure of a protein in solution?

QUESTION ID:124

Match List I with List II
 

List I

(Precursor)

List II

(Fermenation product )

A. Phenylacetic -acid related compounds

I.Penicillin

B. Phenoxy accetic acid

II.Penicillin V

C. Cyanides

III. Vitamin B 12

D. L-Threonine

IV.  Cyclosporin
Choose the correct  answer from the options given below:

QUESTION ID:125

Which among the following techniques does NOT depend on nucleic acid hybridization?

QUESTION ID:126

Formation of the pre-replicative complexes (pre-RC) renders the cell competent for replication, an event called as:

QUESTION ID:127

Humulones or alpha-acids are used in the making of which of the following alcoholic beverages?

QUESTION ID:128

SmithWaterman's algorithm is:

QUESTION ID:129

Given below are two statements:

Statement I: Glial cells form myelin around the axons of neurons

Statement II: Myelin enables the rapid transmission of action potentials down an axon In the light of the above statements. choose the most appropriate answer from the options given below

QUESTION ID:130

At a constant power number, doubling the impelling diameter, while halving the stirring  speed (RPM) will

QUESTION ID:131

How many isoprene units are present in a Diterpene?

QUESTION ID:132

Cells primarily produce energy through mitochondrial oxidative phosphorylation. However, most cancer cells predominantly produce their energy through a high rate of glycolysis followed by lactic acid fermentation even in the presence of abundant oxygen. This phenomenon is known as:

QUESTION ID:133

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Mitogen-activated protein kinases (MAPK) are activated by upstream mitogen-activated protein kinase kinases (MAPKK).
Reason R: The activated MAPK are inactivated by mitogen-activated protein kinase phosphatase.
In the light of the above statements, choose the correct answer from the options given below 

QUESTION ID:134

Which of the following proteins will have a signal peptide?

QUESTION ID:135

A batch reactor produces 25g/L of product. The fermentation time is 4 days and 1 day extra is required as downtime for cleaning, sterilization and setting up the reactor. If total number of working days is taken at 300 days/year. Then to produce 1 ton/year of product the reactor size has to be approximately

QUESTION ID:136

The following feature about A-DNA is INCORRECT

QUESTION ID:137

Which of the following cloning vectors will you use to clone a 200 kb gene? 

QUESTION ID:138

Roll tube technique is used for isolation of

QUESTION ID:139

The E. coli strain BL21(DE3) is used for expressing recombinant proteins whose genes are cloned in the pET series vectors. The primary reason for this is:

QUESTION ID:140

What happens to entropy if a crystalline substance such as NaCl dissolves?

QUESTION ID:141

Why progesterone-only contraceptives are not recommended as emergency (post- coitus) contraceptives?

QUESTION ID:142

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Heat and extremes of pH cause denaturation, or melting of double- helical DNA
Reason R: Breaking of covalent bonds of DNA causes unwinding of the double helix
In the light of the above statements, choose the most appropriate answer from the options given below

QUESTION ID:143

The induction of pain by a normal innocuous stimulus is usually referred to as

QUESTION ID:144

Enzymes immobilized on porous beads are used for conversion of substrate to product in a reaction. When the bead diameter is halved the reaction rate is observed to increase. This implies that

QUESTION ID:145

The transfer of tissue between genetically identical individuals (like twins) is called

QUESTION ID:146

The transfer of tissue between genetically identical individuals (like twins) is called

QUESTION ID:147

The function of sieve tube in plants includes transmission of

A.Chemical signals

B.mRNAs

C.electrical signals

D.spheroplasts

QUESTION ID:148

Given below are two statements:
Statement I: In a neuron at standard resting state of -70 mV. treatment with a chemical (X) induced intracellular potential -50 mV. while when treated with another chemical (Y), it showed -90 mV. Given such a condition, we can say (X) induced depolarization, while (Y) induced hyperpolarization.
Statement II: In a neuron at standard resting state of -70 mV. treatment with a chemical (X) induced intracellular potential -50 mV, while when treated with another chemical (Y), it showed -90 mV. Given such a condition, we can say (Y) induced depolarization, while (X) induced hyperpolarization.
In the light of the above statements, choose the most appropriate answer from the options given below 

QUESTION ID:149

Which of the following is true about pair-wise alignment of protein sequences?

QUESTION ID:150

A student decided to perform liquid-liquid extraction of solute A and solute B separately. Based on the table below, indicate which of the following options is CORRECT about their partition coefficient (K)?

 

Solute A

Solute B

Concentration of solute in extract (g/L)

50

 1

Concentration of solute in raffinate (g/L)

1

50

QUESTION ID:151

Which of the following statements about Forster Resonance Energy Transfer (FRET) is incorrect?

QUESTION ID:152

Monod's model for the bacterial cell growth describes a relationship between

QUESTION ID:153

Which of the following is produced commercially by mammalian cell culture?

QUESTION ID:154

Which gene is generally inserted in an adenoviral vector to treat cancer by suicide gene therapy?

QUESTION ID:155

Which of the following will generally NOT occur if the function of myosin I and myosin II is blocked?

QUESTION ID:156

Recombinant Interferon Gamma is commercially produced by cell culture of

QUESTION ID:157

The concentration and absolute partial pressure of CO2 in the flue gas at various power plants are as follows:

Plant

Co2concentration

Absolute Partial Pressure (atm)

Plant A

42

1

Plant B

10

40

Plant C

40

60

Plant D

20

3

      At which plant(s) will it be easiest to capture the CO2

QUESTION ID:158

A duplex DNA sequence that reads identically on both strands is known as

QUESTION ID:159

Hemolytic disease of the newborn develops when maternal IgG antibodies specific for fetal blood-group antigens cross the placenta and destroy fetal red blood cells. The disease is called

QUESTION ID:160

Which one of the following is the drug of choice for sexually transmitted disease caused by Chlamydia trachomatis?

QUESTION ID:161

Match List I with List II

LIST I

LIST II

A.Ajmalicine

I. Illicium verum

B. Anethole

II. Papaver somniferum

C. Codeine

III. Rauvolfia spentina

D. Vincristine

IV.  Catharanthus roseus

Choose the correct  answer from the options given below:

QUESTION ID:162

A 'co-integrate vector' is used to transfer cloned genes into which one of the following?

QUESTION ID:163

Human genome contains approximately 25.000 genes, but the number of proteins in a human cell is estimated to be approximately 250.000. Which of the following can explain this difference?

QUESTION ID:164

Match the phenolic compounds (List I) with their plant source (List II)

LIST I

LIST II

A.Podophyllotoxin

I. May Apple

B.Curcumin

II. Star anise

C. Methyleugonal

III. Tumeric rhizome

D. Anethole

IV. Basil

Choose the correct  answer fi·om the options given below:

QUESTION ID:165

The binding site on an antibody is known as

QUESTION ID:166

BLOSUM scoring matrix is used for

QUESTION ID:167

Chemically. what is milk of magnesia?

QUESTION ID:168

Which of the following marker proteins is NOT derived from cnidarians?

QUESTION ID:169

Match the type of chromatographic technique (List I) \vith the protein propetty (List II)

LIST I

LIST II

A.Dye affinity

I. Charge and isoelectric point  

B. Chromatofocussing

II. Molecular size

C. Covalent

III. Structure and hydrophobicity

D. Gel Filtration

IV.  Thiol Groups
Choose the correct  answer from the options given below

QUESTION ID:170

may survive without the need for immunosuppression.

QUESTION ID:171

An alternate form of starch biosynthesis machinery in cereal endosperm involves

QUESTION ID:172

Genetically male sterile plants can be developed by overexpressing

QUESTION ID:173

Mammalian cell cultures are difficult to scale up in conventional bio-reactors for the production of therapeutic proteins primarily because of

QUESTION ID:174

Match the animal cell lines (List I) with their commercial applications (List II)

LIST I

LIST II

A.Baby hamster kidney cells

I. Monoclonal antibodies

B. Myeloma cells lines

II. Urokinase

C. Simian kidney epithelial cells

III. Polio vaccine

D. Porcine kidney cells

IV. Foot and mouth vaccine

Choose the correct  answer from the options given below:

QUESTION ID:175

What contributes the most towards the hydrophobic effect when a protein is folding at room temperature?

QUESTION ID:176

The expression of, which one of the following types of cyclins in plants is modulated by growth factors, such as cytokinins, auxins, brassinosteroids, sucrose and gibberelins?

QUESTION ID:177

Which statistical test is used to calculate false discovery rate?

QUESTION ID:178

Which of the following enzymes adds an extra Adenine at the 3' end of a DNA strand?

QUESTION ID:179

Cells are successfully pelleted in a small rotor at 10.000 rpm for 5 minutes. If we now use a bigger rotor with twice the diameter to pellet the cells (having the same fixed angle) in 5 minutes. then the RPM required is. approximately:

QUESTION ID:180

Which of these animals have a recurrence of estrous events during their breeding season (polyestrous)?

QUESTION ID:181

Myesthenia Gravis is primarily caused due to

QUESTION ID:182

Match List I with List II

List I

(Marine algae)

List II

(Type of algae)

A.Fucus serratus

I. Brown algae

B.Gelidium sp.

II. Red algae

C. Chlorella vulgaris

III. Green algae

D. Cyanophyceae

IV. Blue green algae

Choose the correct answer from the options given below:

QUESTION ID:183

Which one of the following terms is used to describe the protection of the unimmunized individual based on immunization of a sufficient number of other members of the population?

QUESTION ID:184

Two protein sequences can be aligned with the help of a BLOSUM matrix. The BLOSUM matrixes were developed by

QUESTION ID:185

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Threading is a de novo protein structure prediction method suitable for sequence with very low similarities.
Reason R: The threading method is more efficient than homology modelling. In the light of the above statements, choose the most appropriate answer from the options given below

QUESTION ID:186

An integral plasma membrane protein is glycosylated. Scientists can trace the journey of this protein from the time of its initial translation to its translocation to the plasma membrane in its mature form. Which of the following changes in its molecular weight can be expected to take place during its maturation?

QUESTION ID:187

Which of the following United Nations sustainable development goals (SDGs) is related to clean water and sanitation for all?

QUESTION ID:188

Which one of the following combinations of cytokinins (CKs) represent only Isoprenoid CKs?

QUESTION ID:189

For a chemostat culture operating under steady state. which of the following statements is NOT true?

QUESTION ID:190

Which of the following fragments/regions of an antibody molecule will you use to identify the presence of a specific epitope in a biological sample?

QUESTION ID:191

Match List I with List II

List I

List II

A. A Lipid anchor for proteins attached with the membrane

I. SRP

B. Ribonucleoprotein complex to bind to the signal peptide

II. PDI

C. Formation of correct disulphide bonds in proteins

III.BIP

D. Chaperone in the ER lumen

IV. GPI

Choose the correct  answer from the options given below:

QUESTION ID:192

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: A Shuttle vector can be used in two different host organisms.
Reason R: A Shuttle vector contains only one origin of replication.
In the light of the above statements, choose the correct answer from the options given below

QUESTION ID:193

Conversion of organic matter to biogas proceeds in four stages: hydrolysis. acidogenesis, acetogenesis and methanogenesis. Which one of the following microorganisms play key role in methanogenesis conversion stage?

QUESTION ID:194

Given below are two statements: one is labelled as Assertion A and the other is
labelled as Reason R
Assertion A: Termination of DNA synthesis occurs upon incorporation of a nucleotide lacking hydroxyl group on the 3' carbon of the pentose sugar into the growing DNA chain.
Reason R: The hydroxyl group on the 3' carbon of the pentose sugar is involved in phosphodiester bond formation.
In the light of the above statements, choose the correct answer from the options given below

QUESTION ID:195

Among the following, the feature that does NOT contribute to host tropism in bacterial pathogenesis is

QUESTION ID:196

Which stage of mitosis is blocked by colchicine?

QUESTION ID:197

Match List I with List II

List I

List II

A.S-Phase of cell division

I. Quiescent phase

B. G2 Phase

II. DNA of parent cell is replicated

C. M Phase

III. New proteins are synthesized an the cell approximately

D. GO Phase

IV. Two daughter cells are produced

Choose the correct  answer fi·om the options given below:

QUESTION ID:198

What is the molar concentration of Dinitrophenol (DNP) in a solution made by dissolving 1840107 mg DNP in one liter of water? [Molar mass: 1840107 g/mole]

QUESTION ID:199

The ratio of present ages of Julie and Kamala is 3:8 . Kamala is 8 years younger than her brother Ram, whose age after 6 years will become 70. What is the present age: o f Julie's mother >who is 24 years older than Kamala?

QUESTION ID:200

Which of the following have been implicated as a potential cause of reel wine headaches?