RPSC Head Master Recruitment Examination Held on September 2, 2018
1. Match list I with list Ii and identify the correct answer by using the codes below
2. Which of the following Brahmana texts is not a Brahmana text of the Samaveda?
(a) Tandya Brahmana
(b) Shadvinsha Brahmana
(c) Adbhuta Brahmana
(d) Taittiriya Brahamana
3. Which among the following is not included as the ‘triratna’ (three gems) of Jainism?
(a) Right Faith (Samyag Darshan)
(b) Right Knowledge (Samyag Gyana)
(c) Right Speech
(d) Right Conduct (Samyag Charit)
4. Yogachara School of philosophy belongs to
(a) Sankhya Yoga
(b) Shankar Vedant
(c) Hinayana
(d) Mahayana
5. Which of the following inscriptions of Ashoka is not in Brahmi Script?
(a) Shahbazgarhi
(b) Kalsi
(c) Yerragudi
(d) Bhabru
6. Match List I with List Ii identify correct answer by using the code given below
7. Which among the following Gupta rulers maternally related to Lichhavis?
(a) Shrigupta
(b) Ghatotkach Gupta
(c) Samudragupta
(d) Chandragupta
8. ‘Harshavardhana’ has been called ‘Param-Maheshvar’ in
(a) The Banskhera Copper plate
(b) The Prayaga Prashashti
(c) The Prabandhkosh
(d) Harshacharita
9. Match List I with List II and select the correct answer by using the codes given below
10. Which pair among the following pairs is not correctly matched?
(a) Bhatti-Rawanvadha
(b) Magha-Shishupalvadha
(c) Hemchandra-Kumarpalcharita
(d) Bilhan-Malti Madhav
11. Al-Biruni’s Kitab-ul-Hind is written in which of the following language?
(a) Persian
(b) Arabic
(c) Turkish
(d) Urdu
12. Pandit Raj Jagannath was the poet Laureate in the court of which Mughal emperor?
(a) Akbar
(b) Aurangzeb
(c) Humayun
(d) Shahjahan
13. The royal cavalry of Shivaji was called
(a) Bargir
(b) Risala
(c) Silahdar
(d) Dabeer
14. Against whom did Shivaji fight battles in his early days?
(a) Golkunda
(b) Bijapur
(c) Hyderabad
(d) Mughal
15. Which among the following issues was not a cause of the II Anglo-Maratha war?
(a) Difference of opinion among the Maratha Sardars
(b) Incapability of Preshva Bajirao
(c) Imperialistic thrust of British
(d) Disregarding the subsidiary Alliance
16. Match list I with list Ii and select the correct answer by using the code given below
17. Arrange the following events of the struggle of 1857 in chronological order
(A) Uprising in Meerut
(B) Uprising in Lucknow
(C) Uprising in Jhansi
(D) Uprising in Nasirabad
Choose the correct code
(a) D, A, C, B
(b) A, D, B, C
(c) C, B, A, D
(d) B, C, D, A
18. Who among the following translated the Euclid’s Geometry in the Sanskrit?
(a) Jagannath
(b) Sawai Jaisingh
(c) Keval Ram
(d) Vidhyadhar
19. Which of the following statements is not true about the administrative reforms of Lord Curzon?
(a) Appointed Police Commission in 1902.
(b) Famine Commission was appointed under Anthony Macdonell.
(c) Commission on irrigation was appointed in 1901.
(d) Department of Commerce and Industry was abolished in 1903.
20. The day which was celebrated as ‘Rakhi Divas’ in Bengal to protest against partition of Bengal was
(a) September 28, 1905
(b) July 19, 1905
(c) October 16, 1905
(d) August 9, 1905
21. Which of the following works is not composed by Raja Ram Mohan Roy?
(a) A Gift to Monotheists
(b) The Precepts of Jesus
(c) The Destiny of Human life
(d) Gaudiya Vyakaran
22. When did Swami Vivekanand establish Ramakrishna Math at Belur
(a) 1909
(b) 1881
(c) 1897
(d) 1901
23. Which one of the following was not among the intellectual contributors of French Revolution?
(a) Dante
(b) Voltaire
(c) Rousseau
(d) Diderot
24. When did the Tennis court oath’ incident took place in France?
(a) May 5, 1789
(b) July 20, 1789
(c) June 17, 1789
(d) June 20, 1789
25. Which among the following was not one of the four Regulations proposed by Greenville in America?
(a) Iron Factories Act
(b) Molasses Act
(c) Stamp Act
(d) Quartering Act
26. Match the following events and dates related to American war of Independence
27. The day observed as ‘Bloody Sunday’ in History of Russia is
(a) January 22, 1905
(b) October 30, 1905
(c) March 10, 1917
(d) November 7, 1917
28. Which of the following countries was not with the allied powers during First World War?
(a) Greece
(b) Bulgaria
(c) Cuba
(d) Rumania
29. Which of the following statements is not true about Second World War?
(a) Germany attacked Poland on September 1, 1939
(b) Russia attacked Poland on September 17, 1939.
(c) America declared war against Germany on December 6, 1940.
(d) Italy declared war against France and England on June 10, 1940.
30. Who was not a court scholar of Prithviraj Chauhan III?
(a) Vidyapati Ganda
(b) Vagishvara Janardana
(c) Vishvarupa
(d) Sarangadhara
31. The fort, which is not built by Maharana Kumbha?
(a) Bhainsroadgarh
(b) Machan Fort
(c) Bhomat Fort
(d) Basanti Fort
32. The text ‘Muhurtmala’, composed by court scholar of Maharana Pratap, was
(a) Rama Sandu
(b) Mala Sandu
(c) Chakrapani Mishra
(d) Tarachand
33. Which of the following works was composed by Mirabai?
(a) Sakhi
(b) Bijak
(c) Shabad
(d) Padavali
34. Who among the following is not a prominent Charan writer of Rajasthan?
(a) Pasaita
(b) Bithu Meha
(c) Prithviraj Rathod
(d) Jaimal
35. The integration of Rajasthan in 1956 was achieved with the merger of the territories of
(a) Jhalawar and Kota
(b) Aburoad-Delwara and Ajmer
(c) Alwar and Bharatpur
(d) Udaipur and Dungarpur
36. The leaders of Mewar Prajamandal arrested during Quit India Movement on August 21, 1942 were
(A) Manikya Lal Verma
(B) Balwant Singh Mehta
(C) Chiranji Lal Mishra
(D) Mohan Lal Sukhadia
(a) A, B and D
(b) A and D
(c) C and D
(d) Only C
37. The moderate leader of the Congress who served as a member of Indian Public Service Commission during 1912-15 was
(a) Gopal Krishan Gokhale
(b) Dada Bhai Noroji
(c) Surendra Nath Banerjee
(d) Firojshah Mehta
38. Which of the following National Congress sessions was presided by JL Nehru?
(a) Lucknow 1916
(b) Karachi 1931
(c) Lahore 1929
(d) Calcutta 1920
39. From where did Subhash Chandra Bose proclaim the establishment of Provisional government of Azad Hind in 1943?
(a) Andaman
(b) Singapore
(c) Imphal
(d) Rangoon
40. Against whom did Bal Gangadhar Tilak file a law suit in London?
(a) Lord Curzon
(b) O’ Dyer
(c) V. Chirol
(d) Andrew Frazer
41. Which article of the Indian Constitution empowers the Parliament of admist a new State into the Union of India?
(a) Article-1
(b) Article-2
(c) Article-3
(d) Article-4
42. Under which article of Constitution of India, Rajya Sabha can propose formation of a new All India Service?
(a) Article-249
(b) Article-250
(c) Article-315
(d) Article-312
43. Which of the following is empowered to make laws on Residuary subjects in India?
(a) Parliament
(b) Legislative Assemblies of States
(c) Panchayati Raj Institutions
(d) President of India
44. Who is the Chief Legal Advisor of India?
(a) Mukul Rohatgi
(b) Ravi Shanker Prasad
(c) KK Venugopal
(d) BS Chauhan
45. Mention the tenure of enforcement of laws made on State list by Parliament after emergency is revoked.
(a) Six months
(b) Six days
(c) Six weeks
(d) Thirty days
46. Which of the following Bills requires the prior consent of the President before its introduction in the Parliament?
(a) Bill which seeks alter the boundaries of any State
(b) Constitutional Amendment Bill
(c) Finance Bill
(d) Any Private Bill
47. To whom President of India Submits his/her resignation?
(a) Vice-President of India
(b) Chief Justice of India
(c) Prime Minister of India
(d) Lok Sabha Speaker
48. Which part of the Indian Constitution contains directive principals of State policy?
(a) Part-III
(b) Part-IV
(c) Part-VIII
(d) Part-II
49. By which Constitutional Amendment of the Indian Constitution the word ‘Socialist’ was added to the preamble?
(a) 14th Constitutional Amendment
(b) 30th Constitutional Amendment
(c) 42th Constitutional Amendment
(d) 34th Constitutional Amendment
50. On the basis of duration of their term as Chief Minister, arrange the Chief Ministers of Rajasthan in descending (longest serving first) order
(i) Mohan Lal Sukhadia
(ii) Hari Dev Joshi
(iii) Bhairon Singh Shekhawat
(iv) Ashok Gehlot
Choose the correct code
(a) (i), (ii), (iii), (iv)
(b) (i), (iii), (ii), (iv)
(c) (i), (ii), (iv), (iii)
(d) (i), (iii), (iv), (ii)
51. Name the Chief Justice of Rajasthan High Court
(a) Pradeep Nandrajog
(b) Hemant Gupta
(c) SK Mukherjee
(d) Ajeet Singh
52. Name the present Dy. Chairman of Rajya Sabha
(a) Venkiah Naidu
(b) PJ Kurien
(c) Harivansh Narayan Singh
(d) Najma Heptulla
53. In Indian Constitution Article-32 stands for
(a) Right to Equality
(b) Right to Liberty
(c) Right Against Exploitation
(d) Right to Constitutional Remedies
54. How many Lok Sabha Constituencies of Rajasthan are reserved for Schedule Castes?
(a) Three
(b) Four
(c) Five
(d) Six
55. Which of the following writ is related to the personal liberty?
(a) Mandamus
(b) Habeas-Corpus
(c) Quo-Warranto
(d) Prohibition
56. How many methods of Constitutional Amendment are mentioned in Article-368 of the Constitution of India?
(a) Two
(b) Three
(c) Four
(d) Five
57. Article-123 Indian Constitution deals with which power of President?
(a) Power to issue Ordinance
(b) Power to appoint Governor
(c) Power to appoint Chief Justice
(d) None of the above
58. How long the proclamation of financial emergency may remain in operation without the approval by both the Houses of Parliament?
(a) One month
(b) Two months
(c) Six months
(d) One year
59. Which Constitutional Amendment was passed by the Parliament to remove the difficulties created by Supreme Court judgement in Golaknath Vs State of Punjab?
(a) 21st Amendment, 1966
(b) 24th Amendment, 1971
(c) 27th Amendment, 1971
(d) 41st Amendment, 1976
60. Which Article of the Indian Constitution incorporates the common law ‘Doctrine of Pleasure?
(a) Article-130
(b) Article-228
(c) Article-89
(d) Article-310
61. Choose the correct descending order of the following sectors on the basis of their contribution in India’s GDP.
(a) Agriculture, Manufacturing and Service Sector
(b) Service, Manufacturing and Agriculture Sector
(c) Manufacturing, Agriculture and Service Sector
(d) Service, Agriculture and Manufacturing Sector
62. Which one of the following defines poverty?
(a) Productivity of agriculture
(b) Unemployment
(c) Nutritional requirements
(d) Inequalities in Savings
63. Green Box subsidies are associated with
(a) Export promotion measures under WTO
(b) Agreement on agriculture under WTO
(c) Establishment of SEZ
(d) Agreement of higher education under WTO
64. As per the India’s population Census 2011, achievement of which of the following fields can be considered note worthy?
(a) Literacy
(b) Rapid growth of urban population
(c) Sex ratio
(d) All given options
65. In which of the following women-literacy rate (Census 2011) is lowest in the country?
(a) Rajasthan
(b) Bihar
(c) Uttar Pradesh
(d) Nagaland
66. Which of the following State have highest rank in social index in India?
(a) Rajasthan
(b) Kerala
(c) Uttar Pradesh
(d) Punjab
67. Which of the following comprises the non-farm services?
(a) Land Reforms
(b) Technological Reforms
(c) Infrastructural Reforms
(d) Marketing Reforms
68. Which of the following is the indicator of development on Indian Economy?
(a) Increase in food grain production
(b) Increase in unemployment
(c) Increase in per capital real income
(d) Increase in industrial waste
69. According to the Tendulkar’s Estimates (2009) what percentage of Indian population is living below poverty line?
(a) 20.18%
(b) 25.20%
(c) 30.1%
(d) 37.2%
70. Gross Domestic Product (GDP) differs Gross National Product (GNP) by the amount of
(a) Net Income from Abroad
(b) Net Indirect Taxes
(c) Net Debt Interest
(d) No difference
71. Which one of the following is not a flow variable?
(a) Saving
(b) Capital
(c) Investment
(d) Export
72. Who estimated the National Income for the first time in India?
(a) VKRV Rao
(b) Dadabhai Naoroji
(c) Gopal Krishan Gokhle
(d) Mahalanobis
73. When Agriculture support prices increases?
(a) Increase in Inflation Rate
(b) Farmer’s Actual cost is increased
(c) On Farmer’s demand
(d) Over production
74. The agriculture census is conducted in India at the interval of every ……… years.
(a) 5
(b) 10
(c) 4
(d) 7
75. Government of Rajasthan has announced to set-up a mini plant at Jaipur for processing and distribution of milk of which of the following?
(a) Cow
(b) Sheep
(c) Camel
(d) Goat
76. As per Budget 2018-19 Chief Minister Raje announced the Establishment of State level Road security training centres in which district of Rajasthan
(a) Jaipur
(b) Udaipur
(c) Tonk
(d) Bhilwara
77. As per population Census 2011 of Rajasthan, arrange the following district according to their population in descending order
(a) Jaipur, Kota, Jodhpur, Bikaner
(b) Jaipur, Jodhpur, Alwar, Nagaur
(c) Jaipur, Udaipur, Jodhpur, Bikaner
(d) Jaipur, Bikaner, Jodhpur, Udaipur
78. Which of the following is not correct pair?
Mineral Mine
(a) Gypsum – Palana
(b) Pink Marble – Babarmal
(c) Garnet – Rajamahal
(d) Uranium – Kuradiya
79. Which of the following pairs is beneficiary of Choudhary Kumbha Ram Canal?
(a) Hanumangarh – Jhunjhunu
(b) Bhilwara – Tonk
(c) Bikaner – Jodhpur
(d) Barmer – Jaisalmer
80. When Rajasthan government approved first forest policy?
(a) September, 2011
(b) August, 2010
(c) March, 2011
(d) February, 2010
81. QWERTY is a type of what is the world of computers?
(a) Mother-Board
(b) Network
(c) Key-Board
(d) Memory Card
82. e-mail stands for
(a) Electronic Mail
(b) Electronic Message Mail
(c) Electrical Mail
(d) Electromechanical Mail
83. It is required to refresh ……….. after a certain time interval.
(a) Static RAM
(b) Dynamic RAM
(c) Magnetic Memory
(d) Optical Memory
84. Second Generation computers were developed during
(a) 1949 to 1955
(b) 1956 to 1965
(c) 1965 to 1970
(d) 1970 to 1990
85. Convert the following decimal number to 8-bit binary.
18710
(a) 101110112
(b) 110111012
(c) 101111012
(d) 101111002
86. Convert of the following binary number to octal.
0101111002
(a) 1728
(b) 2728
(c) 1748
(d) 2748
87. The result of binary subtraction (100 – 011) is
(a) 111
(b) 101
(c) 011
(d) 001
88. Print quality of printer is given as
(a) Chromatic Number (CN)
(b) Dot Per Inch (DPI)
(c) Rotation Per Minute (RPM)
(d) Paper Per Minute (PPM)
89. Protocol which assigns IP address to client connected in interest is
(a) DHCP
(b) IP
(c) RPC
(d) HTML
90. In computer, FTP stands for
(a) File Transfer Protocol
(b) Finding Tele Path
(c) Finish Tele Program
(d) File Transfer Process
91. Who invented World Wide Web?
(a) Time Berners Lee
(b) Sir Thomas
(c) Charles Babbage
(d) None of these
92. IP address 10.231.241.1 belongs to which of the following class?
(a) Class A
(b) Class B
(c) Class C
(d) Class D
93. Sometimes a text in picture format is shown on certain web-page and you are asked to enter the same text into a text-box. Such picture format text is known as
(a) OTP
(b) Captcha
(c) QR Code
(d) Link
94. Consider column 1 and column 2
95. ………… is an application layer protocol while …… is internet layer protocol in TCP/ IP reference model.
(a) RTP, ICMP
(b) DSL, IP
(c) SONET, DSL
(d) DNS, TCP
96. Which one of the following statements about Rajasthan is not correct?
(a) Its East-West extent is more than North-South extent.
(b) Its East-West extent is less than North-South extent.
(c) Its total land boundary is less 6000 km.
(d) Its latitudinal extent is more than 7° latitudes.
97. Which one of the following districts of Rajasthan has a common boundary with Uttar Pradesh and Madhya Pradesh State?
(a) Karauli
(b) Bharatpur
(c) Dholpur
(d) Sawai Madhopur
98. The Malpura-Karauli plain is a part of
(a) Mahi basin
(b) Banganga basin
(c) Chambal basin
(d) Banas basin
99. Which of the following are correctly matched?
(a) A. C and D are correct.
(b) A, B and C are correct.
(c) B, C and D are correct.
(d) A, B and D are correct.
100. In which of the following districts of Rajasthan BShw type of climate is found as per Koeppen’s climatic classification?
(a) Barmer, Jodhpur, Nagaur, Sikar
(b) Bhilwara, Nagaur, Chittorgarh, Pratapgarh
(c) Jhalawar, Banswara, Dungarpur, Baran
(d) Jaipur, Dausa, Alwar, Bharatpur
101. The census year with lowest six-ratio in Rajasthan between year 1901 to 2011 is
(a) 1901
(b) 1921
(c) 1991
(d) 2011
102. The male work participation rate in Rajasthan as per 2011 census at
(a) between 55% to 58%
(b) between 58% to 61%
(c) between 47% to 50%
(d) between 50% to 53%
103. Match List I with List II and select the answer from the codes given below
104. Match List I with List II and select the correct answer using the codes given below :
105. Which is not a correct match?
Minerals Mining Area
(a) Gypsum Jamsar
(b) Manganese Leelwani
(c) Garnet Rajmahal
(d) Felspar Degana
106. According to 2011 census, what is the percentage of scheduled tribe population in rural and urban population of Rajasthan?
Rural Urban
(a) 16.9 3.2
(b) 15.5 2.9
(c) 13.5 4.6
(d) 17.6 5.2
107. Jhamar Kotara mines is known for
(a) Rock Phosphate
(b) Mica
(c) Bauxite
(d) Barytes
108. Longitudinal extent of India is about
(a) 31°
(b) 29°
(c) 27°
(d) 28°
109. The number of States crossed by Tropic of Cancer in India is
(a) 6
(b) 7
(c) 8
(d) 9
110. The Kumaun Himalaya extends between rivers
(a) Indus and Satluj
(b) Kali and Tista
(c) Satluj and Kali
(d) Satluj and Tista
111. The tract North of Luni is known as
(a) Thali
(b) Dhrian
(c) Rohi
(d) Meja
112. The Pre-monsoon shower of West Bengal is known as
(a) Bordoichila
(b) Kalvaishkhi
(c) Cherry Blossom
(d) Tea Shower
113. According to the Koppen’s climatic classification ‘Amw’ of climate is found in which of the following Indian States?
(a) Odisha and Chhattisgarh
(b) Gujarat and Western Madhya Pradesh
(c) Maharashtra and Andhra Pradesh
(d) Western coast of India South of Goa
114. In Odisha and Andhra Pradesh shifting agriculture is known as
(a) Penda
(b) Podu
(c) Onam
(d) Jhoom
115. Which of the following crops in India is estimated to have decreased production during 2017-18 over the year 2016-17?
(a) Rice
(b) Cotton
(c) Wheat
(d) Sugarcane
116. Which one of the following is not a correct match?
Mineral Mining Area
(a) Bauxite Kalahandi and Koraput
(b) Manganese Balaghat and Chhindwada
(c) Tungsten Degana and Bankura
(d) Copper Hutti and Ramgiri
117. The largest chromite producing State in India is
(a) Karnataka
(b) Odisha
(c) Maharashtra
(d) Jharkhand
118. The National Rice Research Institute of India is located at
(a) Midnapore
(b) Cuttack
(c) Chennai
(d) Panipat
119. Which of the following statements is not correct?
(a) Bhilai Iron and Steel plant gets thermal power from Korba thermal power plant.
(b) Rourkela Iron and Steel plant is governed by Hindustan Steel Limited.
(c) Visvesvaraya Iron and Steel Limited was established with German collaboration.
(d) TISCO gets its Haematite iron ore from Noamundi.
120. Lake Titicaca is situated in which continent?
(a) South America
(b) Australia
(c) Europe
(d) North America
121. Match List with List II and select the correct answer from the codes given below :
122. Greenland and Baffin island is divided by
(a) Hudson Strait
(b) Davis Strait
(c) Yucatan Strait
(d) Torres Strait
123. ‘Savanna’ type of climate is located between which latitudes
(a) 20°N-30°N and 20°S-30°S
(b) 30°N-40°N and 30°S-40°S
(c) 5°N-20°N and 5°S-20°S
(d) 25°N-35°N and 25°S-35°S
124. Which is the incorrect match?
Wind Region
(a) Fohn Switzerland
(b) Pampero South America
(c) Haboob Sudan
(d) Buran Canada
125. Which one of the following is not an area of Mediterranean type of climate?
(a) Central California
(b) Northern New Zealand
(c) Central Chile
(d) Southern tip of Africa
126. Which vitamin helps in healing of wounds?
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
- Who invented penicillin?
(a) Stephenson
(b) Dunlop
(c) Kove
(d) Alexander Fleming
128. In which stage of mitotic division morphology of chromosomes is studied?
(a) Anaphase
(b) Metaphase
(c) Telophase
(d) Interphase
129. In which cell organelle, is the double membrane absent?
(a) Nucleus
(b) Mitochondria
(c) Lysosome
(d) Chloroplast
130. What is metabolism?
(a) Synthesis of Bio-Molecules
(b) Breaking Bio-Molecules
(c) Synthesis and breaking Bio-Molecules
(d) Restructuring of Bio-Molecules
131. Mirage is an example of
(a) Refraction
(b) Total internal reflection
(c) Deflection
(d) Diffraction
132. Who invented the law of motion?
(a) Friedrich
(b) Newton
(c) Addison
(d) Alexander
133. Sound waves
(a) Can move in Vacuum
(b) Can move only in Solid Medium
(c) Can move only in Gas Medium
(d) Can move both in Gas and Solid Medium
134. Earthing is used in electrical appliances
(a) To reduce expenditure
(b) As appliances work in 3-phase
(c) For Safety
(d) In the form of fuse
135. In the Telephone receiver
(a) Electric energy converts into sound energy
(b) Sound energy converts into electric energy
(c) Electric energy converts into magnetic energy
(d) There is no conversion of energy
136. The instrument which is used by the police to detect very fast moving vehicles works on
(a) Doppler effect
(b) Kerr effect
(c) Thomson effect
(d) Seeback effect
137. Ohm’s law is not applicable on which of the following?
(a) AC circuit
(b) Conductor
(c) Semi conductor
(d) On conductors when there is change in temperature
138. Lens of Human eye is
(a) Convex
(b) Concave
(c) Sometimes convex, sometimes concave
(d) Nature of lens depends on the age of a person
139. The ore which is found in abundance in India is?
(a) Monazite
(b) Fluorspar
(c) Bauxite
(d) Magnetite
140. Which of the following chemical is added in washing powder for keeping it dry?
(a) Sodium silicate
(b) Inorganic phosphate
(c) Carboxy-methyl cellulose
(d) Sodium perborate
141. Who had invented the pH scale?
(a) SPL Sorenson
(b) Benjamin Franklin
(c) Henry Moseley
(d) Wilhelm Rontgen
142. Corrosion of metals involves
(a) Physical reaction
(b) Chemical reaction
(c) Both ‘a’ and ‘b’
(d) None of the above
143. Which is the strongest acid?
(a) HCIO4
(b) HCIO3
(c) HCIO2
(d) HF
144. The major constituents of natural gas of
(a) Methane
(b) Ethane
(c) Propane
(d) Butane
145. The smallest particle which participates in a chemical reaction is
(a) Proton
(b) Neutron
(c) Molecule
(d) Atom
146. Pollution of which gases causes Acid rain?
(a) Carbon-di-oxide and carbon-Monoxide
(b) Carbon-di-oxide and Nitrogen
(c) Nitrous oxide and Sulphur-di-oxide
(d) Carbon-di-oxide and Ozone
147. What is used to make stainless steel?
(a) Chromium and Nickel
(b) Nickel and Copper
(c) Chromium and Graphite
(d) Benzene and Acetone
148. Two components of the ecosystem are
(a) Plants and Animals
(b) Trees and Weeds
(c) Biotic and Abiotic
(d) Land and water
149. Ozone layer protects us from
(a) Infra Red rays
(b) Ultraviolet rays
(c) Cosmic rays
(d) Light rays
150. In controlling water pollution by Industrial wastes, which weed is found useful?
(a) Elephant Grass
(b) Water Hyacinth
(c) Congress Grass
(d) Ranunculus
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