Post : Microbiologist Government Analytical Laboratories
Department : Food Safety
Category Code : 355/13
Qualification : Master Degree in Food and Industrial Microbiology
Question Paper Code : 75/2017/OL
Date of Test : 14-09-2017
- Which among the following organisms causes foodborne intoxication as a cause of food poisoning?
- Staphylococcus aureus
- Gonyaulax Catenella
- Yersinia enterocolitica
- Clavices Purpurea
- What is the optimum temperature for the growth of most of the psychrotrophs?
- 15° C
- 20° C
- 1° C
- 10° C
- Still birth in cattle and human beings is caused by the action of food poisoning that involves the presence of which of the bacteria?
- Vibrio Cholarae
- Listeria Monocytogenes
- Campylobacter jejuni
- Clostridium botulinum
- Name the antimicrobial ingredient present in clove
- Cinnamaldehyde
- Cineole
- Thujone
- Eugenol
- Select the Eh value limit, below which an environment is considered to be anaerobic in nature
- 200 mV
- -500 mV
- -200 mV
- -501 mV
- Name a mold like yeast among the following
- Amylomyces
- Endomycopsis
- Candida
- Pichia
- The maximum amount of alcohol content permissible in the case of table vines
- 10%
- 12%
- 20%
- 14%
- Name the fermented product from the juice of the cactus plant Agave
- Pulque
- Kemph
- Sake
- Kummis
- The flavouring compound with antibacterial activity that is present in the flower petals of the plant Hops that is used in the beer industry
- Cadaverine and Putrescene
- Flavons and Flavanones
- Humulone and Lupulone
- Thujone and ceneo
- How the personal hygiene in HACCP system in a meat processing plant is monitored?
- Visual inspection
- Hand swabs
- Both Visual inspection and Hand swabs
- None of these
- Which is the human organ that is affected by Veno-Occlusive disease?
- Heart
- Intestine
- Liver
- Kidneys
- Deoxynivalenol is grouped under the broad category of chemicals referred to as
- Trichothecenes
- Lectins
- Terpenoids
- Flavonoids
- Select the microaerophilic bacteria that causes food poisoning
- Vibrio parahaemolyticus
- Campylobacter jejuni
- Bacillus cereus
- Clostridium sp
- Mention the name of the scientist who first proposed the use of steel cans for the canning process
- Francois Appert
- Lazzaro Spallanzani
- Peter Durand
- Harry Russel
- Which of the following sequence accurately represent the Aw requirement in the decreasing order of demand for growth in food stuffs?
- Spoilage bacteria > Spoilage yeast > Spoilage mold > Halophilic bacteria > Osmophilic yeast
- Halophilic bacteria > Spoilage bacteria > Spoilage yeast > Spoilage mold > Osmophilic yeast
- Spoilage bacteria > Spoilage yeast > Spoilage mold > Osmophilic yeast > Halophilic bacteria
- Spoilage yeast > Spoilage bacteria > Spoilage mold > Halophilic bacteria > Osmophilic yeast
- Which among the following is not a Class I preservative?
- Propionic acid
- Dextrose
- Honey
- Sodium chloride
- Itai-Itai disease in Japan is caused by the toxicity of which of the following?
- Arsenic
- Copper
- Mercury
- Cadmium
- Name the toxic alkaloid present in Argemone mexicana which is a major adulterant in mustard
- Thiocyanate
- Dioxine
- Sanguinarine
- Trimethylamine
- During the production of beer making, in which of the following step the non soluble unfermentable carbohydrates from the cereals are hydrolyzed into soluble fermentable materials?
- Mashing
- Malting
- Hop addition
- Wort processing
- What is milk plasma?
- Milk without lactose
- Milk without casein
- Milk without fat globules
- Milk without whey
- Name the psychotropic bacteria belonging to enterobacteriaceae that causes enteric infection
- Shigella Flexneri
- Yersinia enterocolitica
- Enterobacter fecalis
- Escherichia Coli
- Which is the toxic protein present in ''Killer yeast'' that has adverse effect on beneficial yeast?
- Mycocide
- Bactocide
- Zymocide
- Saccharocide
- Which is the new taxonomical name given to the bottom fermenting yeast ''Saccharomyces carlsbergensis''?
- Saccharomyces uvarum
- Saccharomyces pastorianus
- Saccharomyces udum
- Saccharomyces lactis
- The scientist who first developed pure culture of yeast for the production of beer
- Brefeld
- Joseph Lister
- Emil Hansen
- Louis Pasteur
- Select the sequence of downstream processing involved in most of the production process of antibiotics
- Filtration - Solvent Extraction - Crystallization - Drying
- Solvent Extraction - Filtration - Crystallization - Drying
- Filtration - Crystallization - Solvent Extraction - Drying
- Crystallization - Solvent Extraction - Filtration - Drying
- Indonesian Tempeh is a processed food derived from
- Rice
- Soybean
- Groundnut
- Wheat
- Name the bacterial species with the presence of an active pyruvate carboxylase enzyme
- Pseudomonas aeruginosa
- Lactobacillus brevis
- Streptococcus lactis
- Zymomonas mobilis
- The enzyme responsible for the conversion of starch into fermentable sugars in the beer making process is
- cellulase
- amylase
- glucanase
- maltase
- The most important anaerobic bacterial species that causes meat putrefication is
- Bacillus cereus
- Clostridium perfringens
- Clostridium tetani
- Clostridium botulinum
- Name the neurotoxin that is involved in lathyrism
- Trimethyl amine
- Trimethyl amine oxide
- Beta oxalyl amino alanine
- Sanguinarine
- Select the temperature that can be tolerated by the emetic toxin of Bacillus cereus
- 112°C
- 85°C
- 152°C
- 126°C
- Which among the following is the causative agent for shell fish poisoning?
- Gonyaulax Catenella
- Vibrio Parahaemolyticus
- Giardia lamblia
- Salmonella typhimurium
- Select the critical limit of temperature as the CCP in the process steps of pasteurization in an HACCP plant for liquid milk
- 138 ± 2°C
- 55 ± 2°C
- 77 ± 2°C
- None of these
- VOD is caused by the toxin present in the seeds of which adulterant plant?
- Crotalaria nanaburn
- Panicum maximum
- Argemone Mexicana
- Arabidopsis Thaliana
- Which of the following condition the disease ''Hyperkeratosis'' is associated with?
- Acute arsenic exposure
- Chronic fluoride exposure
- Acute fluoride exposure
- Chronic arsenic exposure
- Pink colour formation in oysters is due to the infestation with which of the following organism?
- Rhodotorula
- Rhosdospirillum
- Halobacterium
- Serratia
- What do you mean by the term ''fugu''?
- Algal poisoning
- Shell fish poisoning
- Algal blooming
- Puffer fish poisoning
- Film forming yeast that causes the spoilage of wine is
- Candida
- Hansenula
- Schizosaccharromyces
- Albugo
- Which among the following is a heterofermentative lactic acid bacteria?
- Lactococcus
- Streptococcus
- Leuconostoc
- Pediococcus
- Select the factors that favour the growth of molds compared to bacteria in fruits
- Low carbohydrate content and low pH
- High carbohydrate content and low pH
- High carbohydrate content and high pH
- Low carbohydrate content and high pH
- Bacteriocins are used as a food preservative against which of the following?
- Gram positive bacteria
- Gram negative bacteria
- Yeasts
- Fungi
- Reuterine, an anti microbial substance produced by Lacto bacillus reuteri, that is used as a food preservative requires which of the following substance as a substrate for its synthesis?
- Catechol
- Tryptophan
- Glycerol
- Glucose
- Which among the following private enterprise contributed to the development of HACCP?
- Nestle
- Parle
- Pillsbury
- Cadbury
- Dye reduction test is used for assessing the quality of
- Meat
- Beer
- Wine
- Milk
- The destructive effect of ozone on bacteria was first noticed by
- Kurkowitsch
- Metchnikoff
- Beijerinck
- Paul Earhlich
- Which is the step that helps in determining the critical control points in an HACCP system?
- Development of a flow chart
- Development of a decision tree
- Development of a flow diagram
- Listing out of potential hazards
- Which is the mobile phase in gas chromatography?
- Liquid
- Solid
- Gas
- None of these
- 'Eyes' in Swiss cheese are formed as a result of
- Entrapment of oxygen
- By the action of rennin
- Degradation of casein
- Entrapment of CO2
- Which among the following is a fungal bioagent used for commercial production of α amylase?
- Trichoderma viridae
- Rhodotorula sp
- Aspergillus oryzae
- Aspergillus niger
- Which among the following is the actinobacteria used for the production of SCP?
- Rhodococcus sp
- Cellulomonas sp
- Micrococcus sp
- Corynebacterium sp
- In a continuous culture system which is the term that denotes the substrate concentration at which the specific growth rate is equal to half of the maximum specific growth rate?
- Critical dilution constant
- Specific consumption constant
- Pasteur specific rate constant
- Monod saturation constant
- Which of the following statement is not true with respect to HACCP?
1. It is an end product test
2. It is a preventive approach
3. It is a continuous approach
4. Corrective actions are taken at every stage- Statement 1
- Statement 1 and 4
- Statement 3
- Statement 1 and 3
- To which of the following group Giardia lamblia belongs to
- Fungus
- Bacteria
- Protozoa
- Alga
- Select the pasteurization temperature used for ice cream mix
- 71.1°C for 10 sec
- 82.2°C for 20 sec
- 65°C for 30 min
- 71.1°C for 10 min
- In which of the following food stuff nitrates are used as chemical preservatives?
- Meat
- Egg
- Vegetables
- Milk
- A common mold that could be present in insufficiently canned fruit product is
- Aspergillus niger
- Byssochlamys fulva
- Penicillium notatum
- Phytophthora carotovora
- To which of the category the toxin Linamarin belongs to
- Pyrrolizidene alkaloid
- Carboxylic acid
- Hydrated polyamine
- Cyanogenic glycoside
- The first step in any HACCP programme is
- To document the procedures
- To conduct a hazard analysis
- To establish critical limits
- To determine critical control points
- Which is the most common detector in HPLC?
- ECD
- FID
- UV/Vis
- FTD
- Which is the starting substrate used for the production of white wine?
- White grapes
- De-skinned red/black grapes
- None of these
- Both White grapes and De-skinned red/black grapes
- Mention the factor responsible for affecting the digestibility of dietary protein in food
- Pyruvate carboxylase
- Ozxalates
- Trypsin inhibitor
- Goiterogens
- Select the hard cheese among the following
- Cheddar
- Camembert
- Roquefort
- Parmesan
Question error
- Choose the enzymes that are not present in obligate anaerobic organisms
- SOD
- Catalase
- SOD and catalase
- Catalase and peroxidase
- Select the pH range at which the preservative action of sodium benzoate is the maximum
- 5.6-7.0
- 7.5-8.0
- 2.5-4.0
- 6.5-7.5
- Which is the symptom of spoilage caused by Cladosporium herbarum in meat?
- Green patches
- White spot
- Whiskers
- Black spot
- Which is the anaerobic bacterial species that produces a neurotoxin that is found associated with insufficient canning processes?
- Bacillus cereus
- Clostridium botulinum
- Desulfovibrio sp
- Desufatomaculum sp
- Which among the following is the spoilage symptom caused by Erwinia carotovora in vegetables?
- Soft rot
- Grey spot
- Angular spot
- Ropiness
- Detection of which of the compound in fish would reveal the spoilage occurrence?
- TMAO
- TMA
- PUFA
- TTX
- Paralytic shellfish poisoning is caused by
- Saxitoxin by Gonyaulax catenella
- Neurotoxin by dinoflagellates
- Serotoxin by diatoms
- None of these
- Which is the crhomatographic system that is used for analyzing samples with volatile activity?
- TLC
- Paper chromatography
- GLC
- Ion exchange chromatography
- Which is the most probable food poisoning organism that is associated with the complications arising out of the consumption of the Japanese food ''sushi''?
- Camylobacter jejuni
- Vibrio Cholarae
- Pseudomonas aruginosa
- Vibrio parahaemolyticus
- In a chemostat what is the dilution rate, if the flow rate is 50 ml per hr and the volume of the vessel is 500 ml?
- 0.1 per hr
- 10.0 per hr
- 0.01 per hr
- 25000 per hr
- Which of the fungus causes ergotism?
- Claviceps purpurea
- Rhizopus stolanifer
- Aspergillus flavus
- Fusarium oxysporum
- The starting material for the production of ''Rum'' is
- Wheat
- Barley
- Grapes
- Molasses
- Name the process of irradiation process in which viable, non-spore forming, pathogenic bacteria are eliminated from the food
- Radicidation
- Radurization
- Radappertization
- None of these
- Name the amino acid that is usually deficient in the single cell protein of microbial origin
- L-tryptophan
- L-methionine
- L-arginine
- L-cystine
- Which is the test that is used for assessing the efficiency of pasteurization of milk?
- Hydrogenase test
- Chemiluminescence test
- Phosphatase test
- Azide reduction test
- The number of days to lapse before the pesticide residue get dissipated is designated as
- Dissipation period
- Waiting period
- Harvest duration
- Lag period
- One gray in the radiation measurement is
- 1000 rads
- 100 erg
- 100 rads
- 1000 erg
- The causative agent for aflotoxicosis is
- Fusarium oxysporum
- Aspergillus flavus
- Claviceps fusiformis
- Rhizopus stolanifer
- The Radcliffe line is the international border between
- India and China
- India and Pakistan
- India and Sri Lanka
- India and Maldives
- The oldest fold mountain in India?
- Nilgiri Mountain
- Kanchenjunga
- Vindhya hills
- Aravalli Range
- Which of the following rivers originates from the Western Ghats near Mahabaleshwar Peak?
- Krishna
- Kaveri
- Godavari
- Sabarmati
- The battle of Plassey was fought between
- Mir Qasim and East India Company
- Shahalam and Robert Clive
- Mirjafar and Robert Clive
- Sirajuddaula and Robert Clive
- Who is known as ''The Father of Indian Renaissance''?
- Rabindranath Tagore
- Swami Vivekananda
- Raja Ram Mohan Roy
- Jawaharlal Nehru
- Poora Swaraj day was observed on
- 8th August 1942
- 26th January 1930
- 22nd March 1940
- 21st December 1928
- Who was the second President of Indian National Congress?
- Dadabhai Naoroji
- Mrs. Annie Besant
- George Yule
- Badruddin Tayyabji
- The 14 major Indian banks were nationalized during which five year plan?
- Fifth plan
- Ninth plan
- Fourth plan
- Second plan
- The second longest river in Kerala
- Bharatha Puzha
- Periyar
- Pamba
- Chalakudi
- Who was the founder of Thrissur City?
- Kerala Varma
- Achutha Menon
- Raja Rama Varma
- Panampilly Govinda Menon
- The First book in Malayalam literature questioning the cast system and untouchability?
- Jathi Nirnayam
- Adukkalayil ninnu arangathekku
- Untouchables
- Jathikummi
- The founder of the newspaper Swadeshabhimani?
- Rama Krishna Pillai
- Vakkom Moulavi
- Sayyid Ahmed Khan
- Madhavan Nair
- Ezhava Memorial was submitted to
- Karthika Tirunal
- Balarama Varma
- Swathi Tirunal
- Sree Moolam Tirunal
- Who was the founder of Athmavidya Sangam?
- Vagbhatananda
- Sree Narayana Guru
- Chattampi Swami
- Ayyankali
- Who was the founder of Samathwa Samajam?
- Thycaud Ayya
- Pandit Karuppan
- Vaikunda Swami
- Brahmananda Sivayogi
- The Brand Ambassador of Harithakeralam project
- Manju Warrier
- K.J. Yesudas
- Mammootty
- Mohanlal
- The Secretary General of SAARC
- Arjun Bahadur Thapa
- Ahmed Saleem
- Sheel Sharma
- Amjad Hussain B. Sial
- Which team wins the Ranji Trophy Final 2017?
- Mumbai
- Gujarat
- Karnataka
- Maharashtra
- Which launching vehicle of ISRO got the reward of 104 spacecraft in their desired orbits?
- PSLV C : 34
- PSLV C : 35
- PSLV C : 37
- PSLV C : 36
- Who is the latest recipient of Jnanpith Award?
- Shankhe Ghosh
- Raghuveer Chaudhari
- Balachandra Nemade
- Kedarnath Singh
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