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The Maharashtra Police Constable, MPSC, SSC and Railway Exam are crucial examinations that require a comprehensive understanding of various General Science topics. To help aspirants prepare effectively, we have compiled a set of 20 competitive-level General Science MCQs covering a wide range of subjects.
Top 20 General Science MCQs for Maharashtra, SSC and Railway 19 April 2024
These 20 General Science Multiple Choice Questions cover a diverse range of topics relevant to the Maharashtra Police Constable, MPSC Exam 2024, SSC and Railway Exam 2024. Use these questions as a tool to assess your knowledge and enhance your preparation for the upcoming examination. Remember to review the explanations and expand your understanding of each topic to ensure a well-rounded preparation. Best of luck!
Q1. Which of the following is a water-soluble vitamin?
A) Vitamin A
B) Vitamin C
C) Vitamin K
D) Vitamin D
Correct Option: B [Vitamin C]
Q2. Which layer of gas in the atmosphere protects us from harmful ultraviolet rays of the sun?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Ozone
Correct Option: D [Ozone]
Q3. What does the airbag, used for the safety of car drivers, contain?
A) Sodium bicarbonate
B) Sodium azide
C) Sodium nitrite
D) Sodium peroxide
Correct Option: B [Sodium azide]
Q4. PINAKA, often seen in the news, is a/an:
A) Anti-submarine torpedo and research vehicle
B) Aircraft carrier
C) Multi-Barrel Rocket Launcher (MBRL) system
D) Guided missile frigate submarine warship
Correct Option: C [Multi-Barrel Rocket Launcher (MBRL) system]
Q5. Curie point is the temperature at which:
A) Matter becomes radioactive
B) A metal loses magnetic properties
C) A metal loses conductivity
D) Transmutation of metal occurs
Correct Option: B [A metal loses magnetic properties]
Q6. What changes will happen to a ball of ice and water kept at exactly zero degrees Celsius?
A) All ice will melt
B) All water will become ice
C) No change will happen
D) Only some ice will melt
Correct Option: C [No change will happen]
Q7. The SI unit of temperature is:
A) Temperature
B) Ampere
C) Watt
D) Kelvin
Correct Option: D [Kelvin]
Q8. ISRO was established in which year?
A) 1976
B) 1966
C) 1969
D) 1970
Correct Option: C [1969]
Q9. Adult Filaria worms live in humans’:
A) Blood
B) Lymphatics
C) Liver
D) Intestine
Correct Option: B [Lymphatics]
Q10. Which one of the following gases, present in the air near the surface of the Earth, has the maximum concentrations?
A) Oxygen
B) Hydrogen
C) Nitrogen
D) Methane
Correct Option: C [Nitrogen]
Q11. According to the Bureau of Indian Standards (BIS), what is the acceptable limit for total hardness in drinking water as CaCO3?
A) 100 mg/l
B) 200 mg/l
C) 300 mg/l
D) None of these
Correct Answer: A (100 mg/l)
Q12. Which disease is caused by Asbestos?
A) Paralysis
B) Dysentery
C) Emphysema
D) Diarrhea
Correct Answer: C (Emphysema)
Q13. In which process is energy released?
A) Respiration
B) Photosynthesis
C) Ingestion
D) Absorption
Correct Answer: A (Respiration)
Q14. When iron rusts, what happens to its weight?
A) Decreases
B) Increases
C) Remains the same
D) First increases and then decreases
Correct Answer: B (Increases)
Q15. Which is the hardest form of carbon?
A) Coke
B) Graphite
C) Diamond
D) Charcoal
Correct Answer: C (Diamond)
Q16. How is the growth of bacteria measured?
A) Hemocytometer
B) Spectrophotometer
C) Calorimeter
D) Auxanometer
Correct Answer: B (Spectrophotometer)
Q17. Who discovered the Electron?
A) Enrico Fermi
B) Robert Noyce
C) J.J. Thomson
D) James Dyson
Correct Answer: C (J.J. Thomson)
Q18. Which material allows electric current to pass through it?
A) Glasses
B) Graphite
C) Rubber
D) PVC
Correct Answer: B (Graphite)
Q19. Dehydration in the human body is caused by the loss of:
A) Salts
B) Water
C) Hormones
D) Vitamins
Correct Answer: B (Water)
Q20. Rickets is a disease caused by the deficiency of:
A) Vitamin K
B) Vitamin D
C) Vitamin B1
D) Vitamin A
Correct Answer: B (Vitamin D)
Top 20 General Science MCQs -19 April 2024 PDF
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