www.gradeup.co 64th BPSC 2018 Questions Paper with Answer 1. Which of the following has pH value 7? (A) Pure water (B) Neutral solution (C) Basic solution (D) Acidic solution (E) None of the above/More than one of the above Answer. E Solution: The pH of pure water is 7. The pH of a neutral solution is 7. 2. Which of the following elements does not contain neutrons? (A) Oxygen (B) Nitrogen (C) Hydrogen (D) Copper (E) None of the above/More than one of the above Answer. C Solution: There is only one stable atom that does not have neutrons. It is an isotope of the element hydrogen called protium. 3. Angstrom is a unit of (A) Wavelength (B) Energy (C) Frequency (D) Velocity (E) None of the above/More than one of the above Answer. A Solution- An angstrom or ångström is a unit of length used to measure very small distances. So, the answer will be option A. 4. Frequency is measured in- (A) hertz (B) meter/ second (C) radian (D) watt (E) None of the above/More than one of the above Answer. A 5. Who discovered DNA? (A) James Watson and Francis Crick (B) Gregor Mendel (C) Johannsen (D) Hargovind Khorana (E) None of the above/More than one of the above Answer. E Solution: DNA was first recognized and identified by the Swiss biologist, Johannes Friedrich Miescher in 1869. The DNA double helix structure of a DNA molecule was later discovered through 1 www.gradeup.co the experimental data by James Watson and Francis Crick. Finally, it was proved that it is responsible for storing the genetic information of a human being. 6. What is triglyceride? (A) Protein (B) Carbohydrate (C) Fat (D) Mineral (E) None of the above More than one of the above Answer. C Solution: A triglyceride is an ester derived from glycerol and three fatty acids. Triglycerides are the main constituents of body fat in humans and other animals, as well as vegetable fat. 7. Electroencephalogram (EEG) is used in monitoring (A) heart (B) liver (C) pancreas (D) brain (E) None of the above/More than one of the above Answer. D An electroencephalogram (EEG) is a test that detects electrical activity in your brain using small, metal discs (electrodes) attached to your scalp. 8. Body temperature is regulated by (A) thalamus (B) hypothalamus (C) cerebellum (D) medulla (E) None of the above/More than one of the above Answer. B Solution: Our internal body temperature is regulated by a part of our brain called the hypothalamus. The hypothalamus checks our current temperature and compares it with the normal temperature of about 37°C. 9. Choose the correct statement. (A) Wavelength of red light is less than violet light. (B) Wavelength of red light is more than violet light. (C) Wavelength of violet light is more than green light. (D) Wavelength of violet light is more than yellow light. (E) None of the above/More than one of the above Answer. B Solution: VIBGYOR (increasing order of wavelength) 10. The value of 40 degrees Celsius in Fahrenheit scale is (A) 104 °F (B) 100 °F (C) 102 °F (D) 75 °F (E) None of the above/More than one of the above Answer. A Solution: (40°C × 9/5) + 32 = 104°F 2 www.gradeup.co 11. The unit of electric power is (A) ampere (B) volt (C) coulomb (D) watt (E) None of the above/More than one of the above Answer. D 12. In electrical motor (A) heat is converted into electrical energy (B) electrical energy is converted into heat (C) electrical energy is converted into mechanical energy (D) mechanical energy is converted into electrical energy (E) None of the above/More than one of the above Answer. C 13. Human body contains (A) about 70% water (B) 20%-30% water (C) 10%-20% water (D) 30%-40% water (E) None of the above/More than one of the above Answer. (A) Solution: On average, the body of an adult human being contains 60% water. Most of the water in the human body is contained inside our cells. So, the appropriate answer will be option A. 14. The device to measure electric current is: (A) voltmeter (B) ammeter (C) voltameter (D) potentiometer (E) None of the above/More than one of the above Answer. B 15. The main component of greenhouse gases is (A) carbon dioxide (B) methane nitrous oxide (D) ozone (E) None of the above/More than one of the above Answer. A Solution: Carbon dioxide (CO2) makes up the vast majority of greenhouse gas emissions from the sector, but smaller amounts of methane (CH4) and nitrous oxide (N2O) are also emitted. These gases are released during the combustion of fossil fuels, such as coal, oil, and natural gas, to produce electricity. 16. Einstein got the Nobel Prize for (A) relativity (B) Bose-Einstein condensation (C) mass-energy equivalence (D) photoelectric effect (E) None of the above/More than one of the above 3 www.gradeup.co Answer. D Solution: The Nobel Prize in Physics 1921 was awarded to Albert Einstein "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect." 17. The powerhouse of the cell is: (A) cell wall (B) mitochondrion (C) ribosome (D) nucleus (E) None of the above/More than one of the above Answer. B Solution: Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell. 18. AIDS is caused by (A) water (B) bacteria (C) virus (D) fungus (E) None of the above/More than one of the above Answer. C Solution: Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). 19. Which instrument is used to measure humidity? (A) Hydrometer (B) Hygrometer (C) Pyrometer (D) Lactometer (E) None of the above/More than one of the above Answer. B 20. What is the unit of pressure? (A) Newton/sq. meter (B) Newton-meter (C) Newton (D) Newton/meter (E) None of the above/More than one of the above Answer. A Solution: Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Various units are used to express pressure. In SI base units: 1 N/m2 21. Defence Minister of India Smt. Nirmala Sitharaman made a three-day visit to which nation in the first week of October 2018? (A) Russia (B) Kazakhstan (C) Ukraine (D) China 4 www.gradeup.co (E) None of the above/More than one of the above Answer. B Solution: India and Kazakhstan agreed to step up military cooperation, especially in the areas of defense production, as Defence Minister Nirmala Sitharaman met her counterpart Nurlan Yermekbayev during her three-day visit to the central Asian country. During her Kazakhstan visit, which commenced on October 2, Sitharaman also met Minister of Defence and Aerospace Industry Beibut Atamkulov. 22. The Parliament of which of the following nations dismissed the honorary citizenship of Aung San Suu Kyi in October 2018? (A) USA (B) United Kingdom (C) Norway (D) Canada (E) None of the above/More than one of the above Answer. D 23. Which of the following is not associated with NAFTA? (A) Great Britain (B) Canada (C) Mexico (D) USA (E) None of the above/More than one of the above Answer. A Solution: The North American Free Trade Agreement (NAFTA) is an agreement signed by Canada, Mexico, and the United States, creating a trilateral trade bloc in North America. 24. With which nation, India has Signed an agreement Mobilize four City' in September 2018? (A) Sweden (B) Germany (C) Japan (D) France (E) None of the above/More than one of the above Answer. D 25. Where did Foreign Minister Smt. Sushma Swaraj inaugurate 'Panini Language Laboratory' in August 2018? (A) Sri Lanka (B) South Africa (C) Mauritius (D) Indonesia (E) None of the above/More than one of the above Answer. C 26. Which nation enacted 'Human Organ Transplantation Law' for migrants from Indian origin in August 2018? (A) United Kingdom (B) Canada (C) USA (D) Singapore (E) None of the above/More than one of the above 5 www.gradeup.co Answer. 27. Emmerson Mnangagwa was elected as the President of which country in the presidential election held in November 2017? (A) Uganda (B) Kenya (C) Zimbabwe (D) Ghana (E) None of the above/More than one of the above Answer. C 28. On 20th July, 2018, which nation ended emergency after two years? (A) Iraq (B) Syria (C) Turkey (D) Yemen (E) None of the above/More than one of the above Answer. C 29. Which of the following nations declared an emergency due to a polio outbreak in June 2018? (A) Papua New Guinea (B) Fiji (C) Philippines (D) Mali (E) None of the above/More than one of the above Answer. A 30. For how many times, India won the Cricket Asia Cup on 29th September, 2018 defeating Bangladesh? (A) Six times (B) Seven times (C) Eight times (D) Nine times (E) None of the above/More than one of the above Answer. B 31. Which of the following is the correct order of medals won by India in the 18th Asian Games, 2018 (Jakarta)? Gold Silver Bronze Total (A) 15 21 33 69 (B) 15 32 22 69 (C) 15 30 24 69 (D) 15 24 30 69 (E) None of the above/More than one of the above Answer.