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Kerala PSC Dairy Farm Instructor (SR for ST) – Kerala Dairy Development Previous Question Paper – 011/2020/OL

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Post NameDairy Farm Instructor (SR for ST) - Kerala Dairy Development
Question Paper Code011/2020/OL
Category Code153/2019
Date of Test11 September 2020
Medium of QuestionENGLISH
Exam TypeOnline Examination
Total Questions100
1
She has great regard _________ him (Choose the right preposition)
Answer
C. for
2
"Which way did he run?" the police asked (Change into indirect speech)
Answer
A. The police asked which way he had run
3
Somebody stole my purse. (Change the voice)
Answer
C. My purse was stolen
4
Fifty rupees ___________ too high a price for this pen. (Choose the correct verb form)
Answer
B. Is
5
I am meeting him after __________ year. (choose the right article)
Answer
B. A
6
Mount Everest is ___________ than any other peak in the world. (Choose the right option)
Answer
D. higher
7
The plural of son-in-law:-
Answer
D. Sons-in-law
8
Henry is tall but his sister is ________(Write the opposite of the word underlined)
Answer
B. Short
9
He speaks two languages __________ English. (Choose the most appropriate option)
Answer
A. Besides
10
Rita was like a cat on hot bricks when her turn came for the interview. (What is the meaning of the idiom underlined?)
Answer
D. Nervous
11
Zener diode is used for regulating supply voltages so that they are constant. For this Zener diode should be
Answer
B. Reverse biased
12
At the center of the earth value of acceleration due to gravity is
Answer
C. zero
13
A ucleus of mass number A has a radius 1
Answer
A. R=𝑅0 𝐴 3 3
14
Elastic collision does not conserve
Answer
D. Potential energy
15
In Hydrogen atom spectrum, the series in the visible region is
Answer
C. Balmer Series
16
Which among the following has higher inertia
Answer
A. Sun
17
The phenomena explained by the transverse wave nature of light is
Answer
D. Polarization
18
In a projectile motion maximum horizontal range is obtained when angle of projection is
Answer
B. 45º
19
A conductor is placed in an external electric field 𝐸 . The electric field inside a cavity in the conductor is →
Answer
C. Zero →
20
Which among the following is not a SI base quantity
Answer
D. Electric Potential
21
Resistivity of copper depends on
Answer
A. Temperature
22
Weakest force in nature is
Answer
C. Gravitational force
23
Two parallel conductors are carrying current in the same direction. The force between them is
Answer
B. attractive
24
The unit of the physical quantity 1/√(μ₀ε₀) is
Answer
B. m/s
25
The angle between the true geographic north and the north shown by a compass needle is called
Answer
D. Declination
26
Resonant frequency in LCR series circuit is
Answer
A. 1/(2π√(LC))
27
The chemical name of Bleaching powder is
Answer
B. Calcium hypochlorite
28
Bell metal is an alloy of
Answer
C. Cu and Sn
29
Lime water contains
Answer
B. Calcium hydroxide
30
Temporary Hardness of water is due to
Answer
B. Calcium bicarbonate
31
Half life period of Carbon-14 used to calculate the age of fossils
Answer
B. 5760 years
32
Alcohol reacts with acid to form
Answer
D. ester
33
The chemical substance used to reduce body temperature is called
Answer
B. Analgesic
34
The alkali metal found in Banana
Answer
A. Pottassium
35
The action of water on Calcium Carbide gives
Answer
C. Acetylene
36
The fuel gas produced when carbon monoxide combines with Nitrogen
Answer
C. Producer Gas
37
Ultra pure metals like zirconium and Titanium are refined by
Answer
A. Van Arkel method
38
Letharge is an ore of
Answer
A. Lead
39
The process of coating Zinc over Iron so as to prevent rusting
Answer
B. Galvanisation
40
In order to lower the temperature below 0ºc the substance mixed with ice is
Answer
A. Sodium Chloride
41
The pesence of Ammonium ion is detected by the reagent
Answer
B. Nesslers reagent
42
The solidified form of carbondioxide is
Answer
D. Dry Ice
43
The calibration temperature of Quevenne's lactometer is
Answer
C. 15.5°C
44
The national milk day is celebrates on
Answer
B. November 26
45
'SAHIWAL' is a cattle breed belonging to the class
Answer
A. Milch breed
46
The enzyme used for the production of 'cheese' is
Answer
A. Rennet
47
The Operation Flood I was launched in
Answer
D. 1970
48
The total cattle population in India according to 19th livestock census is
Answer
B. 197.3 million
49
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
Answer
A. Jaffarabadi
50
The time and temperature combination for 'Ultra high temperature' method of sterilization in milk is
Answer
D. 135-150°C for few seconds
51
The cryo protectant for spermatozoa used in the frozen semen of bull is
Answer
C. Glycerol
52
'Streptococcus lactics' is one of the most important micro organisms in dairy industry which comes under the group
Answer
B. mesophilic bacteria
53
According to Food Safety and Standards Authority of India (FSSAI) the minimum 'REICHERT value' for ghee in Kerala is
Answer
D. 26
54
The highest milk producing state in India is
Answer
A. Uttar Pradesh
55
The addition of vitamins and minerals to the milk is known as
Answer
B. Fortification
56
'Khoa' is a milk product which comes under
Answer
D. Heat desicated milk product
57
The size of fat globules is the homogenised milk is
Answer
A. 0.2-2 µm
58
According to Bureau of Indian Standards (BIS) the pasturized milk should have standard plate count is
Answer
D. Maximum 30,000 cfu|m|
59
Pioneer species in primary seccession on rocks
Answer
B. Lichen
60
Anjina is a disease of __________
Answer
A. Heart
61
Which is known as suicidal bag of the cell?
Answer
C. Lysosome
62
Name the stage of meiosis, in which crossing over takes place
Answer
D. Pachytene
63
Deficiency of Vitamin C causes
Answer
B. Scurvy
64
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.
Answer
D. Abomassum
65
How many vertebrae are seen in the neck of Giraffe?
Answer
A. 7
66
In Human beings 79th organ was discovered recently. Name that new organ associated with alimentary canal of man
Answer
A. Mesentery
67
𝑝 𝑜𝑓𝑏𝑙 ∞ 𝑑
Answer
B. 7.4
68
Grave yard of RBC
Answer
C. Spleen
69
Mammary glands are modified
Answer
C. sebaceous glands
70
Klinifelter's syndrome is characterised by
Answer
D. 44A+XXy
71
Name the codon which iniates the synthesis of polypeptide chain
Answer
A. AUG
72
Larva of house fly
Answer
B. Maggote
73
Father of Electrocardiography
Answer
B. Einthoven
74
Pond scum is the common name of
Answer
D. Spirogyra
75
If A = {3,6,8,9}, B = {1,3,5,9} then B-A is :
Answer
C. {1,5}
76
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
Answer
A. 14,400
77
The expansion of �𝑎 + 𝑏�
Answer
C. n+1
78
If e₁ is the eccentricity of the conic 9x² + 16y² = 144 and e₂ is the eccentricity of the conic 9x² + 16y² = 144, then
Answer
D. e₂² − e₁² < 2
79
The probability that a non leap year chosen at random has 52 Fridays is
Answer
D. 6/7
80
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
Answer
A. 6 and 4
81
The solution of the equation 3𝑥 − 2𝑦 = 14 and 4𝑥 + 8𝑦 = 8is
Answer
C. 4 and -1
82
�lim 𝑥 + 𝑥 − 30 →5 =_ __ __ __ __ __ 𝑥−5
Answer
D. 11
83
In an A.P. (arithmetic progression), a = 7, d = 3.5, aₙ = 10.5. Then n is
Answer
B. 2
84
The perimeter of a triangle with vertices (0,6), (0,0), and (8,0) is:
Answer
C. 24
85
A circle can have ___________ parallel tangents at the most
Answer
B. 1 pair
86
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:
Answer
D. 4
87
240º = ___________ radians
Answer
D. 4𝜋 3
88
Slope of the straight line 4𝑥 + 6𝑦 − 8 is
Answer
B. -2/3
89
=_ __ __ __ 2+𝑖
Answer
B. 2 − 4𝑖
90
The solution set of 6x - 3 ≥ 4x - 5 is
Answer
A. [-1, ∞)
91
Pick odd one out
Answer
A. e-mail spoofing
92
Which of the following abuse DOES NOT come under cybercrime as per the Cyber Law of India?
Answer
D. None of the above
93
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
Answer
A. a-i, b-ii, c-iii, d-iv
94
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
Answer
B. a-i, b-iii, c-ii, d-iv
95
The international Cybersecurity Standard that delivers a model for creating, applying, functioning, monitoring, reviewing, preserving, and improving an Information Security Management System
Answer
C. ISO27001
96
The application program that gathers user information and send it to someone through the Internet?
Answer
B. Spybot
97
Message authentication is a service beyond
Answer
A. Message Integrity
98
WPA2 is used for security in
Answer
D. wi-fi
99
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
Answer
B. (i), (iii), (iv) and (v) only
100
The network layer protocol of internet is
Answer
C. Internet Protocol

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