The following are Questions with Answers from the exam of Block Social Security Officer (Prelims) conducted by Odisha Staff Selection Commission (OSSC) on 24th November, 2019. Click here to Download this Question paper PDF.
The atomicity of which of the following elements is different from the other three?
- Chlorine
- Nitrogen
- Oxygen
- Ozone
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ANSWER: Option No: 4
Which of the following quantum numbers distinguishes the orbitals available within a subshell of an atom?
- Azimuthal quantum number
- Magnetic quantum number
- Principal quantum number
- Spin quantum number
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ANSWER: Option No: 2
Which among the following is a compound ?
- Air
- Cement
- Salt
- Paint
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ANSWER: Option No: 3
In the Modern Periodic Table which of the following blocks of elements are strong reducing agents ?
- d-block elements
- f-block elements
- p-block elements
- s-block elements
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ANSWER: Option No: 4
The specific gravity of which among the following metals is the highest ?
- Gold
- Lead
- Mercury
- Silver
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ANSWER: Option No: 1
Which of the following compounds has dative bonding?
- Ammonia
- Lithium Fluoride
- Magnesium Sulfide
- Sodium Chloride
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ANSWER: Option No: 1
Which law states that the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant'?
- Boyle's law
- Charles' law
- Dalton's law
- Gay Lussac's law
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ANSWER: Option No: 4
Which among the following alloys of nickel is used for making permanent magnets?
- Alnico
- Ferronickel
- German silver
- Nichrome
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ANSWER: Option No: 1
In a rainy day the raindrops are falling vertically ala terminal velocity of 10 meters per second. At what angle approximately should a person hold the umbrella if he is walking horizontally at a velocity of 3 meters per second to prevent himself from being wet?
- 70°
- 12°
- 17°
- 22°
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ANSWER: Option No: 3
Which electrical device senses the temperature of a physical system and performs actions so that the system's temperature is maintained near a desired setpoint?
- Compressor
- Relay
- Thermograph
- Thermostat
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ANSWER: Option No: 4
Which of the following statements as regards gravitational force is not , correct?
- It is a short range force
- It is conservative in nature
- It is the force of attraction between two masses
- It is the weakest force
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ANSWER: Option No: 1
Which of the following is a scalar quantity ?
- Force
- Energy
- Momentum
- Torque
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ANSWER: Option No: 2
Which among the following has a higher Albedo potential than the other three?
- Dense forests
- Ice caps
- Ocean surfaces
- Sandy deserts
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ANSWER: Option No: 2
What happens when a 100 watt bulb and 60 watt bulb are connected in a series ?
- Both the bulbs will glow equally
- Only the 60 watt bulb will glow but not the 100 watt bulb
- The 100 watt bulb will glow more than the 60 watt bulb
- The 60 watt bulb will glow more than the 100 watt bulb
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ANSWER: Option No: 2
Water can be super-cooled to a temperature of :
- 0°C
- -4°C
- - 12°C
- -40°C
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ANSWER: Option No: 3
"The phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation" is known as:
- Doppler effect
- Modulation effect
- Photoelectric effect
- Tyndall effect
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ANSWER: Option No: 3
Which enzyme digests fats in most of the living organisms?
- Lyase
- Lipase
- Ligase
- Isomerase
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ANSWER: Option No: 2
Which among the following mineral elements necessary for the human body is a
micro-element ?
- Chlorine
- Fluorine
- Iodine
- Sodium
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ANSWER: Option No: 2
Which of the following pairs of organic acids and the substances in which they are present is incorrectly matched ?
- Acetic acid - Vinegar
- Butyric acid - Wine
- Citric acid - Lemon
- Lactic acid - Milk
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ANSWER: Option No: 2
Which of the following types of plants grows better in the arid climates ?
- Heliophytes
- Hydrophyles
- Sciophytes
- Xerophytes
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ANSWER: Option No: 4
Which among the following cell organelles is semi-permeable ?
- Cell membrane
- Cell wall
- Nucleus
- Plasma membrane
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ANSWER: Option No: 4
Which component of the plants receives stimulus for flowering ?
- Branches
- Leaves
- Roots
- Stems
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ANSWER: Option No: 2
Accumulation of uric acid crystals in the joints leading to painful movements, swelling and inflammation is known as:
- Bursititis
- Gout
- Osteitis
- Osteoporosis
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ANSWER: Option No: 2
Who has been recently sworn in as the new President of Indonesia ?
- Joko Widodo
- Jusuf Kalla
- Maruf Amin
- Susilo Yudhoyono
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ANSWER: Option No: 1
K. B. Siddaiah, who passed away recently in a car crash, was the veteran personality in which field ?
- Arts
- Journalism
- Poetry
- Politics
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ANSWER: Option No: 3
Sardar Vallabhbhai Patel's birthday is being observed as :
- Farmer's Day
- Harmony Day
- National Integration Day
- National Unity Day
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ANSWER: Option No: 4
Who has become the Lieutenant Governor of Ladakh, the newly formed Union Territory?
- Shri Anil Bajjal
- Shri Girish Chandra Murmu
- Shri Satya Pal Malik
- Shri Radha Krishna Mathur
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ANSWER: Option No: 4
With which of the following company Ministry of Electronics & Information Technology have signed a statement of intent to roll-out "Build for Digital India"?
- IBM
- Microsoft
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ANSWER: Option No: 1
Who among the following players of the Indian Women's Hockey Squad scored the vital goal that has led Indian Women's team to qualify for the Tokyo Hockey Olympics ?
- Lilima Minz
- Navneet Kaur
- Rani Rampal
- Sharmila Devi
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ANSWER: Option No: 3
The standard Harappa Seal was made up of :
- Bronze
- Gold
- Limestone
- Steatite
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ANSWER: Option No: 4
What was the staple food of the people in the Early Vedic period ?
- Barley
- Maize
- Rice
- Wheat
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ANSWER: Option No: 1
Which among the following Kings of the Gupta Dynasty has been called the 'Napoleon of India' by the historian VA. Smith ?
- Chandragupta-1
- Chandragupta - 11
- Kumaragupta - 1
- Samudragupta
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ANSWER: Option No: 4
Who among the following rulers of Kalinga belongs to a dynasty different from the other three?
- Anangabhima Deva
- Anantavarman Chodaganga Deva
- Kapilendra Deva
- Narasimha Deva
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ANSWER: Option No: 3
Who among the following scholars in Jahangir's court had translated the Upanishads and Bhagavad Gita ?
- Dara
- Hamid
- Iswar Das Nagar
- Mirza Md. Qazim
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ANSWER: Option No: 1
Who among the following Maratha rulers was better known as 'Shahu'?
- Rajaram
- Sambhaji
- Shivaji – II
- Shivaji -- III
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ANSWER: Option No: 3
Which Rajput King had constructed the astronomical observatories at Delhi, Jaipur and Ujjain ?
- Man Singh - 1
- Rana Kumbha
- Rao Jodha
- Sawai Jai Singh
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ANSWER: Option No: 4
Which of the following was the first fortress constructed by the English in India ?
- Fort St. George
- Fort William
- Thalassery. Fort
- Mahim Fort
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ANSWER: Option No: 1
Which Governor General of the East India Company had concluded the 'Treaty of Amritsar' with Maharaja Ranjit Singh in 1809 ?
- Lord Amherst
- Lord Hastings
- Lord Minto
- Lord Wellesley
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ANSWER: Option No: 3
Consequent upon which of the following wars was the 'Treaty of Srirangapatnam' signed ?
- 1st Anglo-Mysore War
- 2nd Anglo-Mysore War
- 3rd Anglo-Mysore War
- 4th Anglo-Mysore War
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ANSWER: Option No: 3
Where did Rani Laxmibai breathe her last while fighting with the British Forces ?
- Gwalior
- Jhansi
- Meerut
- Satara
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ANSWER: Option No: 1
Where did the Moplah Rebellion take place in 1921 ?
- The Andhra Coast .
- The Coromandel Coast
- The Konkan Coast
- The Malabar Coast
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ANSWER: Option No: 4
Orissa became a separate state in 1936 during the British Rule. Who became the first Governor of the state ?
- Sir Chandulal Madhavlal Trivedi
- Sir George Townsend Boag
- Sir John Austen Hubback
- Sir William Hawthorne Lewis
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ANSWER: Option No: 3
Which of the following islands is located in the Southern Atlantic Ocean?
- Azores
- Falkland
- Iceland
- Newfoundland
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ANSWER: Option No: 2
Which city, though located quite close to the equator, experiences a cool climate ?
- Fortaleza
- Manaus
- Nairobi
- Singapore
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ANSWER: Option No: 3
Which among the following states of India is the smallest in size?
- Goa
- Nagaland
- Sikkim
- Tripura
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ANSWER: Option No: 1
Three of the following cities are located quite close to the Tropic of Cancer. Identify the other one:
- Aizawl
- Bhopal
- Gandhinagar
- Nagpur
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ANSWER: Option No: 4
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