DAIRY FARM INSTRUCTOR (SR FOR ST) – KERALA DAIRY DEVELOPMENT

PROVISIONAL ANSWER KEY
Question Paper Code: 11/2020/OL
Category Code: 153/2019
Exam: Dairy Farm Instructor (SR for ST)
Medium of Question: English
Date of Test 11-09-2020
Department Kerala Dairy Development
Alphacode A
Question1:-She has great regard _________ him (Choose the right preposition)
A:-to
B:-with
C:-for
D:-on
Correct Answer:- Option-C
Question2:-“Which way did he run?” the police asked (Change into indirect speech)
A:-The police asked which way he had run
B:-The police asked that which way he had ran
C:-The police asked which way he ran
D:-The police asked that which way did he run
Correct Answer:- Option-A
Question3:-Somebody stole my purse. (Change the voice)
A:-My purse was stealed
B:-My purse is stolen
C:-My purse was stolen
D:-My purse has been stolen
Correct Answer:- Option-C
Question4:-Fifty rupees ___________ too high a price for this pen. (Choose the correct verb form)
A:-Are
B:-Is
C:-Have
D:-Were
Correct Answer:- Option-B
Question5:-I am meeting him after __________ year. (choose the right article)
A:-An
B:-A
C:-The
D:-None
Correct Answer:- Option-B
Question6:-Mount Everest is ___________ than any other peak in the world. (Choose the right option)
A:-high
B:-highest
C:-most high
D:-higher
Correct Answer:- Option-D
Question7:-The plural of son-in-law:-
A:-Son-in-laws
B:-Sons-in laws
C:-Son-in-law
D:-Sons-in-law
Correct Answer:- Option-D
Question8:-Henry is tall but his sister is ________(Write the opposite of the word underlined)
A:-Small
B:-Short
C:-Low
D:-Fat
Correct Answer:- Option-B
Question9:-He speaks two languages __________ English. (Choose the most appropriate option)
A:-Besides
B:-Between
C:-Beside
D:-Among
Correct Answer:- Option-A
Question10:-Rita was like a cat on hot bricks when her turn came for the interview. (What is the meaning of the idiom
underlined?)
A:-Excited
B:-Angry
C:-Happy
D:-Nervous
Correct Answer:- Option-D
Question11:-Zener diode is used for regulating supply voltages so that they are constant. For this Zener diode should be
A:-Forward biased
B:-Reverse biased
C:-Not biased
D:-Either forward or reverse biased
Correct Answer:- Option-B
Question12:-At the center of the earth value of acceleration due to gravity is
A:-g
B:-2g
C:-zero
D:-g/2
Correct Answer:- Option-C
Question13:-A ucleus of mass number A has a radius
A:-R=`R_(0)A^(1/3)`
B:-R=`R_(0) A^(3/2)`
C:-R=`R_(0)A^(2/3)`
D:-R=`R_(0)A^(3)`
Correct Answer:- Option-A
Question14:-Elastic collision does not conserve
A:-Total energy
B:-Kinetic energy
C:-Linear momentum
D:-Potential energy
Correct Answer:- Option-D
Question15:-In Hydrogen atom spectrum, the series in the visible region is
A:-Brackett series
B:-Lyman Series
C:-Balmer Series
D:-Pfund series
Correct Answer:- Option-C
Question16:-Which among the following has higher inertia
A:-Sun
B:-Moon
C:-Earth
D:-Mercury
Correct Answer:- Option-A
Question17:-The phenomena explained by the transverse wave nature of light is
A:-Dispersion
B:-Diffraction
C:-Refraction
D:-Polarization
Correct Answer:- Option-D
Question18:-In a projectile motion maximum horizontal range is obtained when angle of projection is
A:-35º
B:-45º
C:-65º
D:-55º
Correct Answer:- Option-B
Question19:-A conductor is placed in an external electric field `vecE. ` The electric field inside a cavity in the conductor is
A:-`vecE`
B:-2`vecE`
C:-Zero
D:-`(vecE)/(2)`
Correct Answer:- Option-C
Question20:-Which among the following is not a SI base quantity
A:-Luminous intensity
B:-Time
C:-Temperature
D:-Electric Potential
Correct Answer:- Option-D
Question21:-Resistivity of copper depends on
A:-Temperature
B:-Length
C:-Area of cross section
D:-None of the above
Correct Answer:- Option-A
Question22:-Weakest force in nature is
A:-Electromagnetic force
B:-Strong nuclear force
C:-Gravitational force
D:-Weak nuclear force
Correct Answer:- Option-C
Question23:-Two parallel conductors are carrying current in the same direction. The force between them is
A:-Repulsive
B:-attractive
C:-Zero
D:-Cannot Predict
Correct Answer:- Option-B
Question24:-The unit of the physical quantity `(1)/(sqrt(mu_(0))epsi_(0)` is
A:-m/`s^2`
B:-m/s
C:-Newton
D:-kg m/s
Correct Answer:- Option-B
Question25:-The angle between the true geographic north and the north shown by a compass needle is called
A:-Dip
B:-Inclination
C:-Meridian
D:-Declination
Correct Answer:- Option-D
Question26:-Resonant frequency in LCR series circuit is
A:-`(1)/(2pisqrt(LC))`
B:-2`Pisqrt((1)/(LC))`
C:-`(1)/(2Pi)sqrt((L)/(C))`
D:-2`Pisqrt((L)/(C))`
Correct Answer:- Option-A
Question27:-The chemical name of Bleaching powder is
A:-Calcium carbonate
B:-Calcium hypochlorite
C:-Calcium Phosphate
D:-Calcium Cyanide
Correct Answer:- Option-B
Question28:-Bell metal is an alloy of
A:-Fe and Cr
B:-Cu and Ni
C:-Cu and Sn
D:-Cu and Zn
Correct Answer:- Option-C
Question29:-Lime water contains
A:-Sodium hydroxide
B:-Calcium hydroxide
C:-Sodium Carbonate
D:-Calcium Chloride
Correct Answer:- Option-B
Question30:-Temporary Hardness of water is due to
A:-calcium Sulphate
B:-Calcium bicarbonate
C:-Magnesium Sulphate
D:-Calcium Chloride
Correct Answer:- Option-B
Question31:-Half life period of Carbon-14 used to calculate the age of fossils
A:-5670 years
B:-5760 years
C:-5680 years
D:-5780 years
Correct Answer:- Option-B
Question32:-Alcohol reacts with acid to form
A:-ether
B:-Phenol
C:-butene
D:-ester
Correct Answer:- Option-D
Question33:-The chemical substance used to reduce body temperature is called
A:-Anitipyretic
B:-Analgesic
C:-Antiseptic
D:-Anitibiotic
Correct Answer:- Option-B
Question34:-The alkali metal found in Banana
A:-Pottassium
B:-Sodium
C:-Calcium
D:-Magnesium
Correct Answer:- Option-A
Question35:-The action of water on Calcium Carbide gives
A:-acetaldehyde
B:-benzene
C:-Acetylene
D:-Ethanal
Correct Answer:- Option-C
Question36:-The fuel gas produced when carbon monoxide combines with Nitrogen
A:-Water Gas
B:-Synthesis Gas
C:-Producer Gas
D:-Phosgene Gas
Correct Answer:- Option-C
Question37:-Ultra pure metals like zirconium and Titanium are refined by
A:-Van Arkel method
B:-Vapour phase refining
C:-Monds process
D:-Zone refining
Correct Answer:- Option-A
Question38:-Letharge is an ore of
A:-Lead
B:-Boron
C:-Copper
D:-Iron
Correct Answer:- Option-A
Question39:-The process of coating Zinc over Iron so as to prevent rusting
A:-Corrosion
B:-Galvanisation
C:-Cathodic protection
D:-Barrier protection
Correct Answer:- Option-B
Question40:-In order to lower the temperature below 0ºc the substance mixed with ice is
A:-Sodium Chloride
B:-Sodium Carbonate
C:-Magnesium Sulphate
D:-Lime
Correct Answer:- Option-A
Question41:-The pesence of Ammonium ion is detected by the reagent
A:-Tollens reagent
B:-Nesslers reagent
C:-Febling solution
D:-Baeyers reagent
Correct Answer:- Option-B
Question42:-The solidified form of carbondioxide is
A:-Carborundum
B:-Diamond
C:-Fullerene
D:-Dry Ice
Correct Answer:- Option-D
Question43:-The calibration temperature of Quevenne’s lactometer is
A:-29°C
B:-60°C
C:-15.5°C
D:-20.5°C
Correct Answer:- Option-C
Question44:-The national milk day is celebrates on
A:-June 1
B:-November 26
C:-June 5
D:-March 22
Correct Answer:- Option-B
Question45:-‘SAHIWAL’ is a cattle breed belonging to the class
A:-Milch breed
B:-Dual purpose breed
C:-Draft breed
D:-Draught breed
Correct Answer:- Option-A
Question46:-The enzyme used for the production of ‘cheese’ is
A:-Rennet
B:-Lipase
C:-Chymosin
D:-Lactase
Correct Answer:- Option-A
Question47:-The Operation Flood I was launched in
A:-1987
B:-1982
C:-1985
D:-1970
Correct Answer:- Option-D
Question48:-The total cattle population in India according to 19th livestock census is
A:-178.4 million
B:-197.3 million
C:-75 million
D:-185.6 million
Correct Answer:- Option-B
Question49:-The one of the heaviest breed of Indian buffaloes with native of Saurashtra and they are also known as
‘Bhavangri’. Name of the breed is
A:-Jaffarabadi
B:-Mehsana
C:-Surti
D:-Murrah
Correct Answer:- Option-A
Question50:-The time and temperature combination for ‘Ultra high temperature’ method of sterilization in milk is
A:-108 – 111°C for 25-30 minutes
B:-63-80°C for 30 minutes
C:-72°C for 15 seconds
D:-135-150°C for few seconds
Correct Answer:- Option-D
Question51:-The cryo protectant for spermatozoa used in the frozen semen of bull is
A:-Liquid nitrogen
B:-Egg yolk eitrate
C:-Glycerol
D:-Sodium citrate
Correct Answer:- Option-C
Question52:-‘Streptococcus lactics’ is one of the most important micro organisms in dairy industry which comes under the
group
A:-psychrotrophic bacteria
B:-mesophilic bacteria
C:-psychrophilic bacteria
D:-thermoduric bacteria
Correct Answer:- Option-B
Question53:-According to Food Safety and Standards Authority of India (FSSAI) the minimum ‘REICHERT value’ for ghee in
Kerala is
A:-21
B:-28
C:-24
D:-26
Correct Answer:- Option-D
Question54:-The highest milk producing state in India is
A:-Uttar Pradesh
B:-Rajasthan
C:-Andra Pradesh
D:-Gujarat
Correct Answer:- Option-A
Question55:-The addition of vitamins and minerals to the milk is known as
A:-Standardisation
B:-Fortification
C:-Condensation
D:-Homogenisation
Correct Answer:- Option-B
Question56:-‘Khoa’ is a milk product which comes under
A:-Fermented milk product
B:-Coagulated milk product
C:-Frozen milk product
D:-Heat desicated milk product
Correct Answer:- Option-D
Question57:-The size of fat globules is the homogenised milk is
A:-0.2-2 µm
B:-5-10 µm
C:-1-10 µm
D:-2-5 µm
Correct Answer:- Option-A
Question58:-According to Bureau of Indian Standards (BIS) the pasturized milk should have standard plate count is
A:-Maximum 10,000 cfu|m|
B:-Maximum 50,000 cfu|m|
C:-Maximum 60,000 cfu|m|
D:-Maximum 30,000 cfu|m|
Correct Answer:- Option-D
Question59:-Pioneer species in primary seccession on rocks
A:-Fungi
B:-Lichen
C:-Phytoplankton
D:-Grass
Correct Answer:- Option-B
Question60:-Anjina is a disease of __________
A:-Heart
B:-Liver
C:-Kidney
D:-Lung
Correct Answer:- Option-A
Question61:-Which is known as suicidal bag of the cell?
A:-Mitochondria
B:-Ribosome
C:-Lysosome
D:-Golgi apparatus
Correct Answer:- Option-C
Question62:-Name the stage of meiosis, in which crossing over takes place
A:-Leptotene
B:-Zygotene
C:-Diplotene
D:-Pachytene
Correct Answer:- Option-D
Question63:-Deficiency of Vitamin C causes
A:-Marasmus
B:-Scurvy
C:-Rickets
D:-Beri beri
Correct Answer:- Option-B
Question64:-In ruminent animals, the stomach is differentiated into four chambers. Out of the four, one chamber is the true
stomach, which secretes gastric juice. Name the true stomach.
A:-Rumen
B:-Reticulum
C:-Omassum
D:-Abomassum
Correct Answer:- Option-D
Question65:-How many vertebrae are seen in the neck of Giraffe?
A:-7
B:-14
C:-6
D:-22
Correct Answer:- Option-A
Question66:-In Human beings 79th organ was discovered recently. Name that new organ associated with alimentary canal
of man
A:-Mesentery
B:-Mesosome
C:-Spleen
D:-Gall bladder
Correct Answer:- Option-A
Question67:-`p^(H) of blood`
A:-7
B:-7.4
C:-4.7
D:-6.8
Correct Answer:- Option-B
Question68:-Grave yard of RBC
A:-Artery
B:-Vein
C:-Spleen
D:-Kidney
Correct Answer:- Option-C
Question69:-Mammary glands are modified
A:-Sweat glands
B:-salivary glands
C:-sebaceous glands
D:-Lacrimal gland
Correct Answer:- Option-C
Question70:-Klinifelter’s syndrome is characterised by
A:-44A+XO
B:-45A+XX
C:-44A+XY
D:-44A+XXy
Correct Answer:- Option-D
Question71:-Name the codon which iniates the synthesis of polypeptide chain
A:-AUG
B:-AUU
C:-ACG
D:-UAG
Correct Answer:- Option-A
Question72:-Larva of house fly
A:-Trilobite
B:-Maggote
C:-Trochophora
D:-Planula
Correct Answer:- Option-B
Question73:-Father of Electrocardiography
A:-Paul Berg
B:-Einthoven
C:-Stanley cohen
D:-Sir. A. Garrod
Correct Answer:- Option-B
Question74:-Pond scum is the common name of
A:-Sargassum
B:-Anabaena
C:-Nostoc
D:-Spirogyra
Correct Answer:- Option-D
Question75:-If A = {3,6,8,9}, B = {1,3,5,9} then B-A is :
A:-{3,6}
B:-{1,3}
C:-{1,5}
D:-{6,8,9}
Correct Answer:- Option-C
Question76:-In how many ways can 6 men and 5 women be seated at a round table if each woman is to be between two
men
A:-14,400
B:-18,700
C:-22,400
D:-44,700
Correct Answer:- Option-A
Question77:-The expansion of `(a+b)^n `
A:-n
B:-n-1
C:-n+1
D:-2n
Correct Answer:- Option-C
Question78:-If `e_(1)` is the eccentricity of the conic `9x^2+16y^2=144` ` ` conic and `e_(2)` is the eccentricity of the
conic `9x^2+16y^2=144`, then
A:-`e^2_1-e^2_2=2`
B:-`e^2_2-e^2_1=2`
C:-`e^2_1-e^2_2gt2`
D:-`e^2_2-e^2_1<2` Correct Answer:- Option-D Question79:-The probability that a non leap year chosen at random has 52 Fridays is A:-1/7 B:-2/7 C:-0 D:-6/7 Correct Answer:- Option-D Question80:-Two finite sets have m and n elements. The total number of subsets of the first set is 48 more than the total number of subsets of second set. The values of m and n are A:-6 and 4 B:-2 and 3 C:-6 and 2 D:-3 and 4 Correct Answer:- Option-A Question81:-The solution of the equation `3x-2y=14 and 4x+8y=8`is A:-3 and 2 B:-1 and 2 C:-4 and -1 D:-2 and -1 Correct Answer:- Option-C Question82:-`lim_(x->5)(x^2+x-30)/(x-5)= _________________`
A:-0
B:-5
C:-not defined
D:-11
Correct Answer:- Option-D
Question83:-in an A.P (arithmetic progression) a=7, d=3.5, `a_n=10.5 `
Then n is `
A:-1
B:-2
C:-3
D:-4
Correct Answer:- Option-B
Question84:-The perimeter of a triangle with vertices (0,6), (0,0), and (8,0) is:
A:-10
B:-14
C:-24
D:-26
Correct Answer:- Option-C
Question85:-A circle can have ___________ parallel tangents at the most
A:-0
B:-1 pair
C:-2 pair
D:-infinite
Correct Answer:- Option-B
Question86:-If the standard deviation of a set of observation is 16 and each observation is divided by -4. The standard
deviation of the new set of observation will be:
A:–4
B:–16
C:-16
D:-4
Correct Answer:- Option-D
Question87:-240º = ___________ radians
A:-`(pi)/(3)`
B:-`(2pi)/3`
C:-`(3pi)/(3)`
D:-`(4pi)/(3)`
Correct Answer:- Option-D
Question88:-Slope of the straight line `4x+6y-8` is
A:-2/3
B:–2/3
C:–2
D:-2
Correct Answer:- Option-B
Question89:-`(3-i)^2/(2+i) = ___________
A:-`2+4i`
B:-`2-4i`
C:-`-2+4i`
D:-`-2-4i`
Correct Answer:- Option-B
Question90:-The solution set of `6x-3 >=4x-5` is
A:-`[-1,oo]`
B:-`[-1,oo]`
C:-`[-1` ,`oo]`
D:-`[-1,oo]`
Correct Answer:- Option-A
Question91:-Pick odd one out
A:-e-mail spoofing
B:-software piracy
C:-theft of computer source code
D:-cyber squatting
Correct Answer:- Option-A
Question92:-Which of the following abuse DOES NOT come under cybercrime as per the Cyber Law of India?
A:-Copyright Infringement
B:-Email Spamming
C:-Impersonate another person
D:-None of the above
Correct Answer:- Option-D
Question93:-Match the following
(a) Cyber Stalking (i) harass an individual via Internet
(b) Cyber defamation (ii) Slander conducted via digital media
(c) Salami attack (iii) Small attacks add up to one major attack
(d) Phishing (iv) attempt to obtain sensitive information
A:-a-i, b-ii, c-iii, d-iv
B:-a-iv, b-ii, c-iii, d-i
C:-a-ii, b-i, c-iv, d-iii
D:-a-iii, b-i, c-ii, d-iv
Correct Answer:- Option-A
Question94:-Match the following
(a) Trojans (i) Michelangelo
(b) Denial of Service attacks (ii) The Mirai Botnet
(c) Hacking (iv) Flood a network
(d) Worm (v) Time bombs
A:-a-ii, b-iii, c-iv, d-i
B:-a-i, b-iii, c-ii, d-iv
C:-a-i, b-iii, c-ii, d-iv
D:-a-iii, b-ii, c-iv, d-i
Correct Answer:- Option-B
Question95:-The international Cybersecurity Standard that delivers a model for creating, applying, functioning, monitoring,
reviewing, preserving, and improving an Information Security Management System
A:-ISO27010
B:-ISO27101
C:-ISO27001
D:-ISO27110
Correct Answer:- Option-C
Question96:-The application program that gathers user information and send it to someone through the Internet?
A:-A Virus
B:-Spybot
C:-Logic Bomb
D:-Spam
Correct Answer:- Option-B
Question97:-Message authentication is a service beyond
A:-Message Integrity
B:-Message Confidentiality
C:-Message Splashing
D:-Message Sending
Correct Answer:- Option-A
Question98:-WPA2 is used for security in
A:-Ethernet
B:-Bluetooth
C:-IoT
D:-wi-fi
Correct Answer:- Option-D
Question99:-Which of the following protocols and system are commonly used to provide various degrees of security services
in computer network?
(i) IP filtering
(ii) Reverse Address Translation
(iii) IP security Architecture (IPsec)
(iv) Firewalls
(v) Socks
A:-(i), (ii), (iii) and (iv) only
B:-(i), (iii), (iv) and (v) only
C:-(ii), (iii), (iv) and (v) only
D:-(i), (ii), (iii), (iv) and (v)
Correct Answer:- Option-B
Question100:-The network layer protocol of internet is
A:-Ethernet
B:-Hypertext Transfer Protocol
C:-Internet Protocol
D:-Network Protocol
Correct Answer:- Option-C