Q1. Sound travels fastest in:
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Answer: B. Solids
Sound speed is generally highest in solids, lower in liquids and lowest in gases.
SSC CGL General Awareness Beginner Practice Set 2
25 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Physics - Sound, History, Physics - Units & Measurement, Physics - Gravitation, Chemistry - Chemical Reactions, General Science, Science and Technology, Inventions & Discoveries, Indian Polity, Biology - Circulatory System, International Organisations, Chemistry - Periodic Table, Books & Authors, Biology - Diseases, Chemistry - Matter & States, Physics - Work, Energy & Power, Chemistry - Carbon Compounds, Physics - Force & Laws of Motion, National Symbols, Medieval History, Chemistry - Metals & Non-metals, Static GK
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Q2. Babur wrote his autobiography in which work?
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Answer: B. Baburnama
Babur wrote the Baburnama in Turkish. Humayunnama was written by his daughter Gulbadan Begum.
Q3. Which of the following is a vector quantity?
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Answer: A. Velocity
Velocity has both magnitude and direction, so it is a vector; speed, mass and time are scalars.
Q4. Ocean tides on Earth are caused mainly by the gravitational pull of the:
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Answer: B. Moon
Tides are caused mainly by the Moon's gravitational pull (with a smaller contribution from the Sun).
Q5. Coating iron with a thin layer of zinc to prevent rusting is called:
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Answer: D. Galvanisation
Galvanisation is the process of coating iron or steel with zinc.
Q6. Heating calcium carbonate to form calcium oxide and carbon dioxide is an example of:
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Answer: C. Thermal decomposition
CaCO3 -> CaO + CO2 on heating is a thermal decomposition reaction.
Q7. What is the chemical symbol of iron?
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Answer: D. Fe
Iron's symbol Fe comes from Latin 'Ferrum'. Ir is iridium and F is fluorine.
Q8. What does 'WWW' stand for?
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Answer: D. World Wide Web
WWW stands for World Wide Web, a system of linked web pages accessed over the internet. Tim Berners-Lee proposed it in 1989.
Q9. The first successful powered aeroplane flight was made by:
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Answer: D. The Wright brothers
Orville and Wilbur Wright made the first successful powered aeroplane flight in 1903 at Kitty Hawk, USA.
Q10. Which Schedule of the Indian Constitution lists the recognised languages?
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Answer: C. Eighth Schedule
The Eighth Schedule lists the languages recognised by the Constitution. It began with 14 and has been expanded by later amendments.
Q11. Which pigment in red blood cells carries oxygen?
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Answer: B. Haemoglobin
Haemoglobin, an iron-containing protein in RBCs, binds oxygen and transports it.
Q12. In which year was the United Nations founded?
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Answer: C. 1945
The United Nations was founded on 24 October 1945, after the Second World War.
Q13. Which metal is a liquid at room temperature?
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Answer: C. Mercury
Mercury is the only metal that is liquid at room temperature.
Q14. The famous play 'Hamlet' was written by:
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Answer: D. William Shakespeare
'Hamlet' is a tragedy written by the English playwright William Shakespeare.
Q15. Who discovered penicillin, the first antibiotic?
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Answer: B. Alexander Fleming
Alexander Fleming discovered penicillin in 1928 from the mould Penicillium.
Q16. Which method is used to separate cream from milk?
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Answer: B. Centrifugation
Rapid spinning in a centrifuge forces the denser part down and the lighter cream separates.
Q17. A motor does 1200 J of work in 60 s. Its power is:
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Answer: C. 20 W
P = 1200/60 = 20 W.
Q18. The functional group present in alcohols is:
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Answer: B. -OH
Alcohols contain the hydroxyl (-OH) functional group.
Q19. A force of 20 N acts on a body of mass 4 kg. The acceleration produced is:
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Answer: A. 5 m/s²
a = F/m = 20/4 = 5 m/s².
Q20. Who wrote India's National Song 'Vande Mataram'?
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Answer: C. Bankim Chandra Chattopadhyay
'Vande Mataram' was written by Bankim Chandra Chattopadhyay and is part of his novel 'Anandamath'.
Q21. What is the basic structural and functional unit of the nervous system?
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Answer: C. Neuron
The neuron, or nerve cell, carries messages as electrical impulses. It is the longest cell in the human body.
Q22. Who founded the Slave (Mamluk) dynasty of the Delhi Sultanate?
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Answer: C. Qutb-ud-din Aibak
Qutb-ud-din Aibak, a general of Muhammad Ghori, founded the Slave dynasty in 1206.
Q23. Which of the following metals is the most reactive?
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Answer: D. Potassium
Potassium is the most reactive among these; gold is the least.
Q24. How many spokes does the Ashoka Chakra on the national flag have?
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Answer: B. 24
The Ashoka Chakra on the national flag has 24 spokes and is navy blue. It is taken from the Lion Capital of Ashoka at Sarnath.
Q25. One light-year is a unit of:
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Answer: B. Distance
A light-year is the distance light travels in one year, so it measures distance.