TLS Online

Previous Year Questions

Performance Meter

TLS Online TPP Program

QUESTION ID:1

The Kalka Shimla railway is an example of:

Broad gauge railway

Meter gauge railway

Narrow gauge railway

Monorail

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34771&year=2019&month=July

QUESTION ID:2

The current geological age in which human activity is a major driver of climate and environmental change is called:

Anthropocene

Holocene

Pilocene

Paleogene

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34772&year=2019&month=July

QUESTION ID:3

Who coined the terms autosomal “dominant” and “recessive” for genetic characters?

Marie Curie

Joseph Lister

Carl Correns

Gregor Mendel

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34773&year=2019&month=July

QUESTION ID:4

The term ‘Allelopathy’ refer to

A biological phenomenon where an organism produces one or more biochemical that influences germination, growth, survival, and reproduction of other organisms

The modern system of Medicine

A level of vulnerability of a habitat to invasions from ‘allelic’ species

The negative impact of non-living factor on living organisms in a specific environment

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34774&year=2019&month=July

QUESTION ID:5

Gerontology is the study of:

Old age

Planets

Rainfall

Soil

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QUESTION ID:6

Which one of the following pair is not correctly matched?

Alexander Flemming: Penicillin

William Harvey: Blood Circulation

Louis Pasteur: Tubercle bacilli

Edward Jenner: Vaccine

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34776&year=2019&month=July

QUESTION ID:7

The laws of planetary motion were proposed by

Kepler

Newton

Galileo

Bessel

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QUESTION ID:8

Prussic acid is another name of

Sulphuric acid

Nitric oxide

Oxalic acid

Hydrogen cyanide

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34778&year=2019&month=July

QUESTION ID:9

Which of the following remains a liquid at room temperature?

Chlorine

Bromine

Phosphorous

Nitrogen

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34779&year=2019&month=July

QUESTION ID:10

Upon emission of a positron by a radioisotope, the atomic number of the daughter atom

Increased by 1

Increased by 2

Decreased by 1

Decreased by 2

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34780&year=2019&month=July

QUESTION ID:11

The most appropriate yardstick for measuring comparative scatteredness in different sets of data is

Arithmetic mean

Mean deviation

Variance

Coefficient of variation

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QUESTION ID:12

If male and female children are equally likely to be born, what is the probability that a random chosen family of 3 children has at least one but not more than two females?

1.00

0.75

0.50

0.25

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34782&year=2019&month=July

QUESTION ID:13

In a group of 400 students, 120 are males. 30% of the males are vegetarians, whereas 76 females are non-vegeterians. What is the probability that a randomly chosen student from the group is vegetarian?

0.72

0.60

0.48

0.30

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34783&year=2019&month=July

QUESTION ID:14

In a single throw of two dice, what is the probability of getting a sum of 8 or 11?

1/36

3/36

5/36

7/36

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34784&year=2019&month=July

QUESTION ID:15

For studying association between two attributes, the most appropriate test procedure is

χ² test

F-test

t-test

Z-test

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QUESTION ID:16

In testing significance of hypothesis,

Type-1 error has always more serious repercussions than Type-2 error

Type-2 error has always more serious repercussions than Type-1 error

Relative seriousness of the two errors depends upon the situation being handled

The two errors induce no effect, whatsoever, on the conclusions drawn

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34786&year=2019&month=July

QUESTION ID:17

In a binomial distribution, if changes of getting success are 50% and we perform an exceedingly large number of trials, then the distribution will look like

Normal

Poisson

Binomial

Uniform

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QUESTION ID:18

‘Random sampling’ means

Haphazard sampling

Hoch-poch sampling

The sampling wherein the enumerator makes use of his/her personal judgment

The sampling which is governed by the rules and regulations of probability theory

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QUESTION ID:19

For a normally distributed population, cumulative density function has the shape of

Straight line

Inverted U

Sigmoid

Sine-wave

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QUESTION ID:20

The most appropriate measure of dispersion when the data are contaminated by outliners is:

Range

Standard deviation

Mean deviation

Quartile deviation

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QUESTION ID:21

The Nobel prize was given for the first time in the year

1900

1901

1911

1921

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QUESTION ID:22

Who invented the periodic table?

Anton van Leewenhoek

CS Chandrashekhar

Dmitri Mendeleev

Alfred Noble

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QUESTION ID:23

Who is known as the father of Nuclear physics?

Ernest Rutherford

Niels Bohr

John Dalton

Robert Boyle

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QUESTION ID:24

Grass appears green because it

Reflect green color

Absorbs green color

Reflects white color

Absorbs white color

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QUESTION ID:25

Heavy floods in Kerala this year led to the outbreak of which of the following diseases?

Leptospirosis

Typhoid

Yellow fever

Influenza

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QUESTION ID:26

A molecule absorbs light of a particular wavelength and continues to emit the light of higher wavelength for a substantial time after excitation. The phenomena is called ______.

Phosphorescence

Fluorescence

Chemiluminescence

Cerenkov radiation

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QUESTION ID:27

Air bags used for the safety of car drivers contain

Sodium Carbonate

Sodium azide

Magnesium Chloride

Sodium nitrite

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34797&year=2019&month=July

QUESTION ID:28

The loudness of a sound wave is determined by its

Frequency

Wavelength

Velocity

Amplitude

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QUESTION ID:29

Red light is used for signals because it has

High frequency

Long wavelength

High intensity

Low refraction

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QUESTION ID:30

Venturi meter is used to measure

Fluid pressure

Fluid speed

Fluid density

Fluid temperature

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QUESTION ID:31

Regarding Dmitri Ivanovsky, pick the incorrect sentence

A Russian botanist has been credited as the first discoverer of the structure of viruses on Electron microscopy

He investigated a tobacco plant disease which was transmissible and caused an agent extremely small, such that it could pass through Chamberland filters

He gave the concept of ‘Contagium fixium’; i.e., the viruses are particulate

Ivanovsky’s work on the yellow pigment of plant leaves showed that these protected chlorophyll from the detrimental effect of blue and violet light.

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QUESTION ID:32

Where was India’s first specialized hospital for elephants unveiled on 17^th November 2018?

Coimbatore, Tamil Nadu

Wyanad, Kerala

Mathura, Uttar Pradesh

Coorg, Karnataka

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34802&year=2019&month=July

QUESTION ID:33

What is the biological polymer in paper?

Starch

Cellulose

Graphite

Polystyrene

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QUESTION ID:34

What is the chemical used to make a toothpaste white?

Titanium dioxide

Charcoal

Calcium chloride

Calcium carbonate

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QUESTION ID:35

Which vitamin is only found in animal products?

Vitamin A

Vitamin B3

Vitamin B12

Vitamin C

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QUESTION ID:36

Which metal is generally used in the making of microchips?

Vanadium

Boron

Platinum

Silicon

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QUESTION ID:37

Which disease has been eradicated from the world?

Poliomyelitis

Guinea worm disease

Chicken pox

Small pox

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34807&year=2019&month=July

QUESTION ID:38

What is known as the God particle?

Deutron

Proton

Higgs Boson

Neutron

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QUESTION ID:39

Which one of the following metals pollutes the air of a city having a large number of automobiles?

Cadmium

Chromium

Lead

Copper

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34809&year=2019&month=July

QUESTION ID:40

Who performed the world’s first heart transplant?

Dr. Venugopal

William Harvey

Christian Bernard

Robert Koch

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34810&year=2019&month=July

QUESTION ID:41

Which of the following is not a mixture?

Glass

Graphite

Steel

Aluminium

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QUESTION ID:42

Our National Science Day is celebrated on February 28 to honor which scientist’s discovery?

Sir CV Raman

Homi J Bhaba

APJ Abdul kalam

Jagdish Chander Bose

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QUESTION ID:43

Who was the first to use the antibiotics during surgery?

Alexander Fleming

Joseph Lister

Ronald Ross

Louis Pasteur

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QUESTION ID:44

Which is the largest human Cell?

Liver

Ovum

Spleen

Skin

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QUESTION ID:45

Which country has successful eliminated malaria?

India

Pakistan

Bangladesh

Sri Lanka

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QUESTION ID:46

Recently in Kerala, which highly infectious virus caused an outbreak?

Japanese encephalitis virus

Nipha virus

Ebola virus

Zika virus

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34816&year=2019&month=July

QUESTION ID:47

The axis of earth’s rotation relative to orbital plane is tilted by:

22.5 degrees

23.5 degrees

24.5 degrees

25.5 degrees

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34817&year=2019&month=July

QUESTION ID:48

How many megabytes (MB) are there in one gigabyte (GB):

1000

2000

220

1024

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QUESTION ID:49

RAM in computer usually stands for:

Remove all memory

Read and memorize

Random access memory

Roast all mice

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QUESTION ID:50

Tsumanis are usually cause by:

Tides

Overfishing

Underwater earthquakes

Nuclear explosions

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QUESTION ID:51

In a female with sex chromosomes XXX, how many Barr bodies will be there:

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QUESTION ID:52

The common example of point mutation is:

Color blindness

Down’s syndrome

Sickle cell anemia

Thallassemia

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QUESTION ID:53

The highly repetitive DNA in the eukaryotes occupies which fraction of the Cot curve?

Slow

Intermediate

Fast

All the above

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QUESTION ID:54

Ames test used to screen mutagenicity is based on

Reversion of arginine auxotrophic mutants to prototrophic

Reversion of histidine auxotrophic mutants to prototrophic

Reversion of tyrosine auxotrophic mutants to ptototrophic

No reversion of auxotropic mutants

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QUESTION ID:55

Alu elements in human genome represents:

Exons

Introns

Nucleotide repeats

Transposable elements

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QUESTION ID:56

Which of the following structures is an example of lymphatic vessel?

Thoracic duct

Parotid duct

Bile duct

Cystic duct

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QUESTION ID:57

Which connective tissue cells are responsible for synthesizing collagen fibers?

Macrophages

Fibroblast

Mast cell

Adipocytes

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QUESTION ID:58

Structure in decreasing order related to Bile duct

Head of pancreas, first part of duodenum, lesser omentum

First part of duodenum, lesser omentum, head of pancreas

Lesser Omentum, first part of duodenum, head of pancreas

Head of pancreas, lesser omentum, first part of duodenum

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QUESTION ID:59

Coronary arteries arise from

Ascending aorta

Arch of aorta

Subclavian arteries

Descending aorta

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QUESTION ID:60

Which of the following structure is known to maintain the shape of a cell?

Ribosomes

Microtibules

Nucleus

Mitochondria

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QUESTION ID:61

The technique used to detect the presence of DNA or RNA in a non-fractionated DNA sample is

Colony hybridization

In situ hybridization

Dot blot technique

Western blotting

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QUESTION ID:62

Chromosome painting used to detect chromosome translocation is also called:

Probing

FISH

M-FISH

Karyotyping

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QUESTION ID:63

Which of the following growth media would you expect to result in synthesis of high level of mRNA for the enzymes of the E. coli lac operon?

High glucose, high lactose

Low glucose, low lactose

High glucose, low lactose

No glucose, high lactose

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QUESTION ID:64

Which protein moves the least from point of application of sample while electrophoresis

Alpha globulin

Beta globulin

Gamma globulin

albumin

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QUESTION ID:65

Biochips are made up of

Semi-conducting molecules inserted into the protein frame work

Conducting molecules inserted into the protein frame work

Non-conducting molecules inserted into the protein frame work

Conducting molecules

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QUESTION ID:66

Microbiosensors are based on

Ions effect

Ion sensitive field effect transistor

Piezoelectric effect

Magnetic effect

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QUESTION ID:67

P1 cloning vector allow cloning of DNA of the length of

100 kbp

50 kbp

20 kbp

10 kbp

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QUESTION ID:68

The name Alic Jeffery is associated with

DNA sequencing

RNA sequencing

DNA fingerprinting

Site-Directed Mutagenesis

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QUESTION ID:69

What is the mode of action of exonuclease III?

Exonuclease III acts on single stranded DNA in 3ʹ-5ʹ direction

Exonuclease III acts on double stranded DNA in 5ʹ-3ʹ direction

Exonuclease III acts on single stranded DNA in 5ʹ-3ʹ direction

Exonuclease III acts on double stranded DNA in 3ʹ-5ʹ direction

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QUESTION ID:70

Hot-start PCR is a modification of PCR. Which of the following is not corresponding to it?

The basis is that extension is not started until the first cycle reaches its maximum temperature

The polymerase is added after the first cycle has reached its maximum temperature or melting temperature

It is satisfactory for small number of samples

It leads to generation of non-specific products

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QUESTION ID:71

Which of the following type of enzyme inhibition is also called as end-product inhibition?

Substrate regulation

Feedback inhibition

Competitive inhibition

Non-competitive inhibition

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QUESTION ID:72

Cholesterol does not act as a precursor for

Cardiolipin

Progesterone

Cortisol

Estradiol

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QUESTION ID:73

Allopurinol is used for the treatment of gout. It is an inhibitor of

Xanthine oxidase

Thymidylate synthase

Hypoxanthine-guanine phosphoribosyl transferase

Adenosine phosphoribosyl transferase

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QUESTION ID:74

Thyroid hormone act through

Nuclear receptors

Plasma membrane receptors

Cytosolic receptors

ER receptors

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QUESTION ID:75

α-oxidation of fatty acids takes place in

Endoplasmic reticulum

Cytosol

Mitochondria

Peroxisomes

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QUESTION ID:76

Which of the following enzyme participates in both the citric acid cycle and the electron transport chain?

NADH dehydrogenase

Malate dehydrogenase

Succinate dehydrogenase

Isocitrate dehydrogenase

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QUESTION ID:77

Pyrimidine dimer formation is a sign of DNA damage. They are induced by

Spontaneous deamination of nucleotide bases

UV light

Alkylating agent

Depuration of nucleotide bases

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QUESTION ID:78

Which of the following molecules yields maximum number of ATPs upon oxidation?

Glutamate

Pyurvate

Palmitate

Glucose

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QUESTION ID:79

Which is true about enzymes?

All enzymes are proteins

All enzymes are vitamins

All enzymes are not proteins

All proteins are enzymes

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QUESTION ID:80

Calmodulin contributes to signal transduction by binding to

cAMP

Calcium

Magnesium

Sodium

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QUESTION ID:81

The specific DNA sequences to which the transcription factors bind are referred to as ___

replication elements

blocking factors

transcription factors

regulatory elements

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QUESTION ID:82

The collection of proteins that can be produced by a given species is:

Considered as specific genetic complement

Correlates with the size of the organism

Called the Proteome

Called the Transcriptome

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QUESTION ID:83

Which of the following is a nucleotide sequence data base?

EMBL

SWISS PLOT

PROSITE

TREMBL

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QUESTION ID:84

Human genome contains about

2 billion base pair

3 billion base pair

4 billion base pair

5 billion base pair

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QUESTION ID:85

Which of these genomes have maximum ploidy?

Humans

Bacteria

Fungi

Plants

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QUESTION ID:86

The non-sister chromatids twist around and exchange segments with each other during

Leptotene

Diakinesis

Diplotene

Pachytene

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QUESTION ID:87

Difference (in wavelength or frequency units) between positions of band maxima of absorption and emission spectra of the same electronic transition is known as

Vavilov rule

Strokes shift

Kasha’s rule

Stokes line

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QUESTION ID:88

Which of the following does not absorb UV radiation?

Benzoic acid

Chloro-hexane

Nitrobenzene

Butadiene

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QUESTION ID:89

Wavelength range of absorption for a peptide bond is

190-230 nm

240-270 nm

160-180 nm

250-280 nm

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QUESTION ID:90

Which of the following cannot be used to analyse unstained biological samples?

Hapten

Antigen

Antibody

Virus

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QUESTION ID:91

Which of the following substance will not stimulate an immune response unless they are bound to a large molecule?

Hapten

Antigen

Antibody

Virus

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QUESTION ID:92

Which of the following is the major immunoglobulin in human serum, accounting for 80% of the immunoglobulin pool?

IgM

IgE

IgD

IgG

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QUESTION ID:93

Type I hypersensitivity is mediated by which of the following immunoglobulins?

IgA

IgG

IgE

IgM

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QUESTION ID:94

Acute inflammation characteristically involves?

influx of mast cells

capillary endothelial cell enlargement

Influx of neutrophils

Influx of macrophages

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34894&year=2019&month=July

QUESTION ID:95

A tissue graft between two people who are not genetically identical is termed a

Isograft

Heterogradt

Xenograft

Allograft

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QUESTION ID:96

Cell-mediated immunity

Can be transferred passively using sera

Is mediated by B and T cells

Is mediated by T cells, macrophages and interleukins

Forms the major part of innate immunity

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34896&year=2019&month=July

QUESTION ID:97

B cells differentiate to form

Plasma cells

Effector cells

Plasma cells and memory cells

Germinal cells

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34897&year=2019&month=July

QUESTION ID:98

Opsonin is the

Cell wall component

Plasma component

Serum component

Cytoplasm component

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QUESTION ID:99

The class of an immunoglobulin

is determined by Class I and Class II major histocompatability complex proteins

is determined by the carbohydrate attached to the light

determined by antigen

is determined by the heavy chain type

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34899&year=2019&month=July

QUESTION ID:100

Chain is present in which antibodies (DROP)

IgG

IgM

IgE

IgD

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QUESTION ID:101

The study of nests of birds is known as:

Craniology

Nidology

Ichnology

Myremecology

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34901&year=2019&month=July

QUESTION ID:102

An example of ruminant animal is

Horse

Cow

Rabbit

Rhinoceros

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QUESTION ID:103

Name the phylum that have highest number of species

Arthropoda

Brachiopoda

Echinodermata

Mollusca

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34903&year=2019&month=July

QUESTION ID:104

Which of the following is not an insect?

Beetle

Spider

House fly

Mosquito

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34904&year=2019&month=July

QUESTION ID:105

Who wrote the book “Origin of species”?

Jean-Baptiste Lamarck

Charles Darwin

Hugo de Vries

Gregor Mendel

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34905&year=2019&month=July

QUESTION ID:106

In Drosophila, the sex is determined by

the ratio of pairs of X chromosomes to the pairs of autosomes

X and Y chromosomes

The ratio of number of X chromosomes to the sets of autosomes

Whether the egg is fertilized or develops parthenogenetically

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34906&year=2019&month=July

QUESTION ID:107

Jurassic period of the Mesozoic era is characterized by

Dinosaurs become extinct and angiosperms appears

Radiation of reptiles and origin of mammal like reptiles

Gymnosperms are dominant and first birds appear

Flowering plants and first dinosaurs appear

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34907&year=2019&month=July

QUESTION ID:108

Which of the following causes Byssinosis?

Cotton dust

Benzopyrene

Peroxyacetyle nitrate

Lead

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34908&year=2019&month=July

QUESTION ID:109

Silk is produced by _______

Apis indica

Bombyx mori

Laccifer lacca

Dactylopius coccus

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34909&year=2019&month=July

QUESTION ID:110

Which of the following is characterized as third generation pesticide?

Organophosphates

Chlorinated hydrocarbons

Juvenile hormone

Rotenone

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34910&year=2019&month=July

QUESTION ID:111

Fusion of male gamete with the polar nuclei of embryo sac is known as:

Double fertilization

Pollination

Embryogeny

Triple fusion

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34911&year=2019&month=July

QUESTION ID:112

In the F2 generation of a Mendelian dihybrid cross, the number of genotypes and phenotypes are:

Genotypes 16, phenotype 4

Genotypes 9, phenotype 4

Genotypes 4, phenotypes 9

Genotypes 8, phenotypes 4

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34941&year=2019&month=July

QUESTION ID:113

Which of the plants introduced from new world to the old world?

Potato

Wheat

Rice

Sugarcane

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34942&year=2019&month=July

QUESTION ID:114

Which one of the following is caused by a fungus?

Sandal spike

Crown gall disease

Powdery mildew

Citrus canker

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34943&year=2019&month=July

QUESTION ID:115

Elicitors are molecules that:

Induce cell division in plants

Stimulates defense response in plants

Stimulates hairy root formation

Stimulate plant growth

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34944&year=2019&month=July

QUESTION ID:116

Rumen Gas largely consists of Carbon Dioxide and methane in the proportion of

50:50

65:35

40:30

80:20

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34945&year=2019&month=July

QUESTION ID:117

Tuberculosis lesions are prominent in digestive tract rather than in respiratory tract in

Poultry

Cattle

Horse

Rodents

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34946&year=2019&month=July

QUESTION ID:118

Kennel cough in dogs is caused by

Brucella melitensis

Corynebacterium renale

Bordetella bronchiseptica

Bacillus anthracis

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34947&year=2019&month=July

QUESTION ID:119

Yolk sac route inoculation should be done on

6-8 days old fertile eggs

10-12 days old fertile eggs

12-14 days old fertile eggs

14-16 days old

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34981&year=2019&month=July

QUESTION ID:120

Which of the following is not an occupational zoonotic disease?

Brucellosis

Plague

Anthrax

Salmonellosis

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QUESTION ID:121

Which of the following organism is an obligate aerobe?

E. coli

Pseudomonas aeruginosa

Staphylococcus

Acinetobacter

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34983&year=2019&month=July

QUESTION ID:122

Which of the following is not transmitted by soil?

Brucella

Coccidioidomycosis

Tetanus

Anthrax

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34984&year=2019&month=July

QUESTION ID:123

Phenol co-efficient indicates

Purity of a disinfectant

Dilution of a disinfectant

Efficacy of a disinfectant

Quantity of a disinfectant

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34985&year=2019&month=July

QUESTION ID:124

Definitive host of guinea worm is

Man

Cyclops

Snail

Tick

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QUESTION ID:125

Which of the following is true?

Agar has nutrient properties

Chocolate medium is selective medium

Addition of selective substances in a solid medium is called enrichment media

Nutrient broth is basal medium

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34987&year=2019&month=July

QUESTION ID:126

Plasmid which do not possess information for self-transfer to another cell are known as:

Conjugative plasmid

Cryptic plasmids

Non-conjugative plasmid

Incompatible plasmids

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34988&year=2019&month=July

QUESTION ID:127

Which of the following is dimorphic fungus?

Aspergillus flavus

Histoplasma capsulatum

Trichophyton mentagrophytes

Cryptococcus neoformans

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34989&year=2019&month=July

QUESTION ID:128

An example of single stranded linear DNA virus is

Parvovirus B 19

Papilloma virus

Hepatitis B virus

Epistein Barr virus

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34990&year=2019&month=July

QUESTION ID:129

Limulus amoebocyte lysate assay is used for the detection of bacterial

Pili

Endotoxins

Peptidoglycan

Capsule

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34991&year=2019&month=July

QUESTION ID:130

Creutzfeld-Jakob disease (CJD) is caused by

DNA viruses

Bacteria

Prions

RNA Viruses

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34992&year=2019&month=July

QUESTION ID:131

Pick up the amino acid, which is present in the body but not found in proteins:

Arginine

4-Hydroxyprotine

Ornithine

Selenocysteine

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34993&year=2019&month=July

QUESTION ID:132

Which part of the body best represents the core body temperature?

Oral cavity

Axilla

Rectum

Nasal cavity

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34994&year=2019&month=July

QUESTION ID:133

The velocity of blood flow is highest in:

Ascending aorta

Capillaries

Large veins

Pulmonary trunk

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34995&year=2019&month=July

QUESTION ID:134

Insulin increases entry of glucose in the liver cells by increasing the:

Number of glucose transporters (GLUT-4) on the hepatocytes

Activity of glucokinase which decreases intracellular free glucose thus promoting diffusion

Activity of Na⁺ -K⁺ ATPase which utilizes glucose for its energy requirements, thus decreasing free glucose within the cell

Activity of transcription factors for the production of glucose transporters in the hepatocytes

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34996&year=2019&month=July

QUESTION ID:135

Physiological dead space is calculated by

Dalton’s laws

Bohr equation

Boyle’s laws

Charle’s laws

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34997&year=2019&month=July

QUESTION ID:136

Which of the following statement is incorrect regarding DNA methylation?

S-Adenosyl Methionine (SAM) is one of the most important methyl donors

It is catalysed by enzymes

Occurs at CpG islands

Mainly G is methylated

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34998&year=2019&month=July

QUESTION ID:137

Which of the following is not an example of post translational modification?

Addition of prosthetic groups

Proteolytic Processing

mRNA splicing

Loss of signal sequences

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=34999&year=2019&month=July

QUESTION ID:138

Which of the following statement is incorrect about the genetic code is?

A codon is a triplet of nucleotides that codes for a specific amino acid

A specific first codon in the sequence establishes the reading frame

A codon specifies more than one amino acid

Nucleotide triplets are read in a successive, non-overlapping fashion

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35000&year=2019&month=July

QUESTION ID:139

The TATA box:

Present on the template strand

Present about 70 base pairs away from transcription start site

Serves as the signal for attachment of RNAP-II

Acts as silencer of the gene

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35001&year=2019&month=July

QUESTION ID:140

In gel electrophoresis, which of the following molecule will move faster if the amount of DNA present is same in all?

Linear

Supercoiled

Nicked

Circular

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35002&year=2019&month=July

QUESTION ID:141

The uptake of external DNA into bacterial cell is facilitated in the presence of

Calcium chloride

Polymerase

Endonuclease

Plasmid

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35003&year=2019&month=July

QUESTION ID:142

Which of the following vector contains telomeric sequences?

Plasmid vector

Lambda vector

M13 vector

Yeast vector

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35004&year=2019&month=July

QUESTION ID:143

Which of the following takes place in both bacterial as well as eukaryotic mRNA synthesis?

Poly A tailing

5’ Capping

Splicing

DNA dependent RNA synthesis

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35005&year=2019&month=July

QUESTION ID:144

Which of the following amino acid is present abundantly in histones?

Aspartic acid

Tryptophan

Arginine

Glycine

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35006&year=2019&month=July

QUESTION ID:145

If the amount of ‘G’ in a DNA sample is 20%. What will be the amount of ‘T’?

40%

50%

30%

20%

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35007&year=2019&month=July

QUESTION ID:146

Human telomeres consist of tandem repeats if sequence:

(TTAGGG)_n

(TTAAGGG)_n

(TTTAAGG)_n

(TTAAAGG)_n

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35008&year=2019&month=July

QUESTION ID:147

The original codon changes to stop codon in which type of mutation:

Sense mutation

Mis-sence mutation

Non-sense mutation

Reverse mutation

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35009&year=2019&month=July

QUESTION ID:148

Crossing over occurs in which phase:

Prophase I

Telophase I

Anaphase I

Metaphase I

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35010&year=2019&month=July

QUESTION ID:149

Person having sex chromosomes XXY suffers from which of the following:

Down’s syndrome

Edward’s syndrome

Klinefelter’s syndrome

Patau’s syndrome

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35011&year=2019&month=July

QUESTION ID:150

Multiple genes are involved in the inheritance of which of the following disease:

Skin color

Color blindness

Sickel-cell anemia

Phenylketoneuria

https://triyambak.org/courses/icmr-jrf/tpp/pyq?qid=35012&year=2019&month=July