Q1. How many neutrons are present in a sodium atom with mass number 23 and atomic number 11?
Show answer
Answer: C. 12
23 - 11 = 12 neutrons.
SSC CGL General Awareness Intermediate Practice Set 5
25 intermediate questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Chemistry - Atomic Structure, Chemistry - Periodic Table, Chemistry - Environmental Chemistry, History, Chemistry - Metals & Non-metals, Static GK, Physics - Electricity, Biology - Diseases, Freedom Struggle, Physics - Work, Energy & Power, Firsts in India, Chemistry - Carbon Compounds, Dances & Music, Economy, Indian Geography, Chemistry - Chemical Reactions, Chemistry - Matter & States, Geography, Physics - Sound, Modern History, Indian Polity, Physics - Units & Measurement, Medieval History
Score: 0 / 0
Q2. Which of the following is a metalloid?
Show answer
Answer: D. Silicon
Silicon shows properties intermediate between metals and non-metals, so it is a metalloid.
Q3. Acid rain is mainly caused by which gases?
Show answer
Answer: C. Sulphur dioxide and oxides of nitrogen
SO2 and NOx dissolve in rainwater to form sulphuric and nitric acids.
Q4. The Battle of Plassey was fought in the year:
Show answer
Answer: A. 1757
The Battle of Plassey was fought in 1757.
Q5. The thermit reaction between iron(III) oxide and aluminium is used for:
Show answer
Answer: D. Joining broken railway tracks
The highly exothermic thermit reaction produces molten iron, used to weld railway tracks.
Q6. What is the National Aquatic Animal of India?
Show answer
Answer: B. Ganges River Dolphin
The Ganges River Dolphin was declared India's National Aquatic Animal in 2009.
Q7. A 100 W bulb is used for 10 hours. The electrical energy consumed is:
Show answer
Answer: D. 1 kWh
100 W × 10 h = 1000 Wh = 1 kWh (1 unit).
Q8. Dengue fever is spread by which mosquito?
Show answer
Answer: A. Aedes
Dengue virus is transmitted by Aedes mosquitoes, especially Aedes aegypti.
Q9. Vallabhbhai Patel received the title 'Sardar' after leading which satyagraha in 1928?
Show answer
Answer: A. Bardoli Satyagraha
Patel led the Bardoli Satyagraha of 1928 against higher land revenue, and the women of Bardoli gave him the title 'Sardar'.
Q10. A ball is dropped from a height (ignoring air resistance). As it falls, its total mechanical energy:
Show answer
Answer: C. Remains constant
PE turns into KE but their sum stays constant, as per conservation of mechanical energy.
Q11. Who was the first Indian woman to win an Olympic medal?
Show answer
Answer: A. Karnam Malleswari
Karnam Malleswari won a bronze medal in weightlifting at the 2000 Sydney Olympics, the first by an Indian woman.
Q12. The reaction of a carboxylic acid with an alcohol in the presence of an acid catalyst gives a sweet-smelling:
Show answer
Answer: A. Ester
Acid + alcohol -> ester + water; this is esterification.
Q13. Pandit Hariprasad Chaurasia is associated with which instrument?
Show answer
Answer: A. Flute (Bansuri)
Pandit Hariprasad Chaurasia is a celebrated Bansuri (bamboo flute) player.
Q14. What is the chemical formula of ethanol?
Show answer
Answer: B. C2H5OH
Ethanol is C2H5OH (CH3CH2OH).
Q15. The repo rate is the rate at which:
Show answer
Answer: D. RBI lends to commercial banks
The repo rate is the rate at which the RBI lends short-term funds to banks against government securities. A higher repo rate makes credit more expensive and helps control inflation.
Q16. Mangrove forests of the Sundarbans are named after which tree?
Show answer
Answer: D. Sundari
The Sundarbans are named after the Sundari tree, a common mangrove there.
Q17. The chemical formula of rust is:
Show answer
Answer: D. Fe2O3·xH2O
Rust is hydrated iron(III) oxide, Fe2O3·xH2O.
Q18. Which of the following will scatter a beam of light (show the Tyndall effect)?
Show answer
Answer: A. Milk
Milk is a colloid whose particles are large enough to scatter light; true solutions do not.
Q19. The Standard Meridian of India (82°30′ E) passes near which city?
Show answer
Answer: B. Mirzapur
Indian Standard Time is based on the 82°30′ E meridian, which passes near Mirzapur in Uttar Pradesh. IST is 5 hours 30 minutes ahead of GMT.
Q20. The persistence of sound due to repeated reflections in a hall is called:
Show answer
Answer: B. Reverberation
Reverberation is the persistence of sound from multiple reflections.
Q21. Pradhan Mantri Jan Dhan Yojana, launched in 2014, is mainly aimed at what?
Show answer
Answer: A. Financial inclusion through bank accounts for all
PMJDY was launched in 2014 to provide every household with access to a basic bank account and financial services.
Q22. The practice of Sati was declared illegal in 1829 by:
Show answer
Answer: D. Lord William Bentinck
Lord William Bentinck banned Sati in 1829, supported by the campaigns of Raja Ram Mohan Roy.
Q23. Which was the first State in India to introduce Panchayati Raj, in 1959?
Show answer
Answer: B. Rajasthan
Rajasthan was the first State to introduce Panchayati Raj, inaugurated at Nagaur on 2 October 1959.
Q24. A speed of 72 km/h is equal to:
Show answer
Answer: D. 20 m/s
72 × 5/18 = 20 m/s.
Q25. The Vijayanagara Empire was founded in 1336 by:
Show answer
Answer: C. Harihara and Bukka
Harihara I and Bukka of the Sangama dynasty founded the Vijayanagara Empire in 1336.