Q1. SONAR, used to locate objects under water, makes use of:
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Answer: B. Ultrasonic waves
SONAR sends ultrasonic pulses and detects their echoes.
SSC CGL General Awareness Intermediate Practice Set 2
25 intermediate questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Physics - Sound, Chemistry - Chemical Reactions, Sports, Indian Geography, Physics - Light, Biology - Digestive System, Biology - Nervous System, Static GK, Physics - Pressure, Biology - Cell & Tissues, Chemistry - Acids, Bases & Salts, Medieval History, Awards, Art & Culture, Geography, General Science, Physics - Heat, Physics - Motion, Dances & Music, Indian Polity, Biology - Respiratory System
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Q2. Mixing solutions of sodium sulphate and barium chloride gives a white precipitate of:
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Answer: C. Barium sulphate
Na2SO4 + BaCl2 -> BaSO4 (white precipitate) + 2NaCl, a double displacement reaction.
Q3. National Sports Day in India is celebrated on the birth anniversary of which player?
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Answer: D. Major Dhyan Chand
National Sports Day is on 29 August, the birthday of hockey legend Major Dhyan Chand.
Q4. Hematite is an ore of which metal?
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Answer: C. Iron
Hematite is a high-grade iron ore.
Q5. The sparkling of a diamond is mainly due to:
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Answer: B. Total internal reflection
Diamond's high refractive index gives a small critical angle, causing repeated total internal reflection.
Q6. The rhythmic wave-like contraction of the gut muscles that pushes food forward is called:
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Answer: D. Peristalsis
Peristalsis is the rhythmic contraction and relaxation of gut muscles that moves food along.
Q7. Involuntary actions such as heartbeat and breathing are controlled by the:
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Answer: C. Medulla oblongata
The medulla oblongata in the hindbrain controls involuntary actions like heartbeat, breathing and blood pressure.
Q8. Human Rights Day is observed every year on which date?
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Answer: B. 10 December
Human Rights Day on 10 December marks the adoption of the Universal Declaration of Human Rights in 1948.
Q9. A force of 100 N acts on an area of 0.5 m². The pressure is:
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Answer: B. 200 Pa
P = 100/0.5 = 200 Pa.
Q10. The cell wall of plant cells is mainly made up of:
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Answer: B. Cellulose
Plant cell walls are mainly composed of cellulose, a polysaccharide of glucose.
Q11. Milk of magnesia, used as an antacid, is chemically:
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Answer: C. Magnesium hydroxide
Milk of magnesia is Mg(OH)2, a mild base that neutralises excess stomach acid.
Q12. The Third Battle of Panipat (1761) was fought between the Marathas and:
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Answer: C. Ahmad Shah Abdali
The Marathas were defeated by the Afghan ruler Ahmad Shah Abdali in the Third Battle of Panipat in 1761.
Q13. Blood is classified as which type of tissue?
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Answer: A. Connective tissue
Blood is a fluid connective tissue: cells suspended in a liquid matrix (plasma).
Q14. When fats and oils in food get oxidised, their smell and taste change. This is called:
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Answer: A. Rancidity
Oxidation of fats and oils is called rancidity; antioxidants and nitrogen flushing prevent it.
Q15. The Param Vir Chakra is awarded for:
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Answer: A. The highest gallantry during war
The Param Vir Chakra is India's highest wartime gallantry award.
Q16. The carved ornamental gateways surrounding the Great Stupa at Sanchi are known as:
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Answer: C. Toranas
The four gateways of the Sanchi Stupa are called Toranas and are carved with scenes from the life of the Buddha and Jataka tales.
Q17. By what name is the Brahmaputra known in Tibet?
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Answer: A. Tsangpo
The Brahmaputra is called Tsangpo in Tibet, Siang/Dihang in Arunachal Pradesh and Jamuna in Bangladesh.
Q18. What is the functional unit of the kidney?
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Answer: B. Nephron
Nephrons filter blood and form urine. Neurons are nerve cells and alveoli are air sacs in the lungs.
Q19. Sea breeze during the day is an example of heat transfer by:
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Answer: C. Convection
Land heats faster, warm air rises, and cooler sea air flows in — convection currents.
Q20. A body moving in a circular path with constant speed has:
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Answer: C. Changing velocity
In uniform circular motion the direction keeps changing, so velocity changes even though speed is constant.
Q21. Mohiniyattam is a classical dance form of which state?
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Answer: C. Kerala
Mohiniyattam is a graceful classical dance of Kerala.
Q22. The hydraulic lift works on:
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Answer: A. Pascal's law
Hydraulic lifts use Pascal's law: pressure in an enclosed fluid is transmitted undiminished in all directions.
Q23. The minimum age to become a member of the Lok Sabha is:
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Answer: A. 25 years
A Lok Sabha candidate must be at least 25 years old (30 for the Rajya Sabha).
Q24. The area under a velocity–time graph gives:
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Answer: C. Displacement
Area under a v–t graph = velocity × time = displacement.
Q25. During heavy exercise, anaerobic respiration in human muscles produces:
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Answer: D. Lactic acid
When oxygen is short, muscle cells break glucose into lactic acid, which can cause cramps.