Q1. A ship floats on water according to:
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Answer: B. Archimedes' principle
By Archimedes' principle, the buoyant force equals the weight of water displaced, which balances the ship's weight.
SSC CGL General Awareness Beginner Practice Set 5
25 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Physics - Pressure, Chemistry - Atoms & Molecules, Biology - Nutrition & Vitamins, Biology - Health & First Aid, General Science, Physics - Units & Measurement, Sports, Biology - Diseases, Books & Authors, Freedom Struggle, Chemistry - Periodic Table, Chemistry - Metals & Non-metals, Biology - Respiratory System, Biology - Plant Physiology, Physics - Heat, Ancient History, Biology - Hormones & Glands, Art & Culture, Chemistry - Common Names & Formulas, Abbreviations, Physics - Work, Energy & Power, Physics - Sound, Biology - Digestive System
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Q2. The value of Avogadro's number is approximately:
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Answer: D. 6.022 x 10^23
One mole of any substance contains about 6.022 x 10^23 particles.
Q3. Deficiency of vitamin C causes:
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Answer: B. Scurvy
Vitamin C deficiency causes scurvy, marked by bleeding and swollen gums.
Q4. Oral Rehydration Solution (ORS) is mainly given to treat:
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Answer: C. Dehydration due to diarrhoea
ORS replaces water and salts lost during diarrhoea, preventing dehydration.
Q5. Which acid is present in lemon?
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Answer: D. Citric acid
Lemons and oranges contain citric acid. Tamarind contains tartaric acid and curd contains lactic acid.
Q6. Which of these is the SI unit of electric current?
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Answer: D. Ampere
Electric current is measured in amperes (A), an SI base unit.
Q7. How many interlocking rings are there in the Olympic symbol?
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Answer: B. 5
The Olympic symbol has five interlocking rings. It was designed by Pierre de Coubertin to represent the union of the continents.
Q8. Rabies is usually transmitted to humans through:
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Answer: D. The bite of an infected animal such as a dog
Rabies virus spreads through the saliva of an infected animal, usually by a dog bite.
Q9. 'The Story of My Experiments with Truth' is the autobiography of:
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Answer: B. Mahatma Gandhi
'The Story of My Experiments with Truth' is Mahatma Gandhi's autobiography.
Q10. The Revolt of 1857 broke out on 10 May 1857 at:
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Answer: C. Meerut
The Revolt of 1857 began at Meerut on 10 May 1857, and the rebels then marched to Delhi.
Q11. Halogens such as chlorine and bromine belong to which group?
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Answer: C. Group 17
Halogens (F, Cl, Br, I) belong to group 17.
Q12. Brass is an alloy of:
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Answer: D. Copper and zinc
Brass is made of copper and zinc.
Q13. In the lungs, exchange of gases takes place in the:
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Answer: A. Alveoli
Alveoli are thin-walled air sacs where oxygen and carbon dioxide are exchanged with blood.
Q14. What are the raw materials for photosynthesis?
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Answer: C. Carbon dioxide and water
Plants use carbon dioxide and water, in the presence of sunlight and chlorophyll, to make glucose.
Q15. Heat transfer from the Sun to the Earth takes place by:
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Answer: B. Radiation
Radiation needs no medium, so heat reaches Earth from the Sun by radiation.
Q16. Gautama Buddha was born at:
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Answer: C. Lumbini
Gautama Buddha was born at Lumbini, which is now in Nepal.
Q17. Which element is essential for the synthesis of the thyroid hormone thyroxine?
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Answer: C. Iodine
Thyroxine contains iodine, so iodine is needed for its synthesis; iodised salt prevents goitre.
Q18. Bharatanatyam is a classical dance of which state?
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Answer: D. Tamil Nadu
Bharatanatyam originated in Tamil Nadu and is based on the Natyashastra of Bharata Muni.
Q19. What is the chemical name of quick lime?
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Answer: D. Calcium oxide
Quick lime is calcium oxide, CaO.
Q20. What does 'CBI' stand for?
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Answer: A. Central Bureau of Investigation
CBI stands for Central Bureau of Investigation.
Q21. A force of 50 N moves a box 4 m in the direction of the force. The work done is:
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Answer: D. 200 J
W = 50 × 4 = 200 J.
Q22. What does 'ISRO' stand for?
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Answer: D. Indian Space Research Organisation
ISRO stands for Indian Space Research Organisation.
Q23. The audible range of frequency for a normal human ear is about:
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Answer: C. 20 Hz to 20,000 Hz
Humans can typically hear sounds from about 20 Hz to 20 kHz.
Q24. The walls of a dam are made thicker at the bottom because:
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Answer: D. Water pressure increases with depth
Liquid pressure increases with depth, so the base must withstand greater pressure.
Q25. The finger-like projections in the small intestine that increase the surface area for absorption are called:
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Answer: D. Villi
Villi line the inner wall of the small intestine and greatly increase absorptive surface area.