Important General Knowledge Questions for Competitive Exams

General Knowledge Questions with Answers

1. When formaldehyde and potassium hydroxide are heated, we get–
(A) Acetylene (B) Methyl alcohol
(C) Methane (D) Ethyl formate
See Answer:

2. The enzyme in whose presence glucose and fructose are converted into alcohol is–
(A) Diastase (B) Maltase
(C) Invertase (D) Zymase
See Answer:

3. Which of the following acids is manufactured using sawdust?
(A) Oxalic acid (B) Citric acid
(C) Acetic acid (D) Butyric acid
See Answer:

4. The study of visceral organs is–
(A) Angiology (B) Arthrology
(C) Anthrology (D) Splanchnology
See Answer:

5. The science dealing with the study of teeth is–
(A) Odontology (B) Ornithology
(C) Phenology (D) Cosmology
See Answer:

6. Generally, the soil of the northern plains of India is formed by–
(A) Degradation (B) Aggradation
(C) Weathering in situ (D) Erosion
See Answer:

7. Two richest known sources of edible protein are–
(A) Meat and eggs (B) Milk and vegetables
(C) Soyabean and groundnut (D) Some type of algae and other micro-organism
See Answer:

8. Which of the following weeds has been found useful to check water pollution caused by industrial effluents?
(A) Parthenium (B) Elephant grass
(C) Water hyacinth (D) Both (A) and (B) above
See Answer:

9. Cloud is a colloidal dispersion of–
(A) Air in a dispersion medium of water (B) Fog in a dispersion medium of water
(C) Mist in a dispersion medium of air (D) Water drops in dispersion medium of air
See Answer:

10. The fourth state of matter is known as–
(A) Gas (B) Vapour
(C) Plasma (D) Electron
See Answer:

11. Chandragupta Maurya was the–
(A) Great-grandfather of Ashoka (B) Brother of Ashoka
(C) Father of Ashoka (D) Grandfather of Ashoka
See Answer:

12. Who was known as ‘Lakh Baksh’ ?
(A) Iltutmish (B) Raziya
(C) Qutub-ud-din Aibak (D) Babar
See Answer:

13. Who was the pioneer among the social reformers ?
(A) Ramakrishna Paramhans (B) Swami Vivekanand
(C) Raja Rammohun Roy (D) Dayanand Saraswati
See Answer:

14. Which one of the following South Asian countries has the highest population density?
(A) India (B) Nepal
(C) Pakistan (D) Sri Lanka
See Answer:

15. Pradhanmantri Bharat Jodo Pariyojna is related to–
(A) Linking of Rivers (B) Development of Roads
(C) Communication (D) Social Integration
See Answer:

16. Kinetic energy of translation of an ideal gas is dependent upon–
(A) Pressure of the gas (B) Volume of the gas
(C) Temperature of the gas (D) Nature of the gas
See Answer:

17. Rate of diffusion of a gas is–
(A) Directly proportional to its density
(B) Directly proportional to its molecular weight
(C) Directly proportional to the square root of its molecular weight
(D) Inversely proportional to the square root of its molecular weight
See Answer:

18. Mean free path of gas molecules is dependent on–
(A) Viscosity of the gas (B) Velocity of gas
(C) Volume of the gas (D) Temperature of the gas
See Answer:

19. The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is–
(A) Dalton’s law (B) Gay-Lussac’s law
(C) Henry’s law (D) Raoult’s law
See Answer:

20. The osmotic pressure of a solution increases if–
(A) Volume is increased (B) Temperature is decreased
(C) Number of molecules of solute is increased (D) None of the above
See Answer:

21. German silver is an alloy of–
(A) Copper, silver and zinc (B) Copper, nickel and zinc
(C) Silver, tin and zinc (D) Silver, nickel and zinc
See Answer:

22. Which of the following is the hardest metal ?
(A) Gold (B) Iron
(C) Platinum (D) Tungsten
See Answer:

23. Rusting of iron is an example of–
(A) Absorption (B) Adsorption
(C) Oxidation (D) Reduction
See Answer:

24. Which of the following metals does not get affected by nitric acid ?
(A) Copper (B) Gold
(C) Mercury (D) Silver
See Answer:

25. The first attempt to explain the structure of the hydrogen atom was made by–
(A) John Dalton (B) Albert Einstein
(C) Stanislao Cannizzaro (D) Niels Bohr
See Answer: