RRB NTPC 2025 Static GK Practice Set-68 for CBT Exam

RRB NTPC 2025 Static GK Practice Set-68: The RRB NTPC 2025 Static GK Practice Set-68 for CBT is designed to help candidates prepare effectively for the Computer-Based Test (CBT) by focusing on key areas of static general knowledge. This practice set covers a wide range of topics, including history, geography, science, politics, and current affairs, ensuring a comprehensive revision of essential concepts. By working through these questions, aspirants can strengthen their foundational knowledge, improve their accuracy, and boost their confidence for the upcoming exam.

Regular practice with such sets is crucial for mastering static GK, which plays a significant role in scoring well in the RRB NTPC examination.

RRB NTPC 2025 Static GK Practice Set-68

Here are the MCQs:

1. All electromagnetic waves have the same—
   a) frequency
   b) amplitude
   c) wavelength in vacuum
   d) speed in vacuum
2. The speed of sound is highest in—
   a) solids
   b) liquids
   c) gases
   d) vacuum
3. When salt is added to pure water, its boiling point—
   a) increases
   b) decreases
   c) remains the same
   d) none of the above
4. Red, green, and blue combine to form—
   a) white
   b) black
   c) maroon
   d) blue
5. A group of 16 bits is called—
   a) word
   b) nibble
   c) memory block
   d) byte
6. A stone tied to a string is rotating in a circular path. If the string suddenly breaks, the stone will—
   a) move tangentially
   b) move radially outward
   c) move radially inward
   d) none of the above
7. An object floats partially submerged in a liquid. If the object and the liquid are taken to the Moon, the object will—
   a) float as before
   b) float with a larger submerged portion
   c) float with a smaller submerged portion
   d) sink
8. Which of the following is not a social networking site?
   a) LinkedIn
   b) Wink
   c) Facebook
   d) Google Plus
9. Which of the following is commonly used as a language for Android applications?
   a) Java
   b) C++
   c) C
   d) PHP
10. Errors in computer programs are called—
    a) spam
    b) folis
    c) virus
    d) bugs
11. USB is what type of storage device?
    a) primary
    b) secondary
    c) tertiary
    d) none of the above
12. On average, the amount of water vapor in the air is—
    a) 1%
    b) 3%
    c) 5%
    d) 7%
13. The bleaching action of chlorine is due to—
    a) decomposition
    b) hydrolysis
    c) reduction
    d) oxidation
14. The chemical name of vinegar is—
    a) sodium nitrate
    b) dilute acetic acid
    c) chloride of lime
    d) calcium
15. PVC, used in the plastic industry, stands for—
    a) polyvinyl chloride
    b) polyvinyl carbonate
    c) phosphorus vanadium chloride
    d) phosphovinyl chloride
16. Which substance, when heated, produces plaster of Paris?
    a) graphite
    b) gypsum
    c) zinc
    d) lead
17. The lifespan of red blood cells is—
    a) 60 days
    b) 120 days
    c) 180 days
    d) 240 days
18. Muscle fatigue is caused by—
    a) carbon dioxide
    b) creatinine
    c) lactic acid
    d) ethyl alcohol
19. Near-sightedness can be corrected by—
    a) convex lens
    b) concave lens
    c) converging lens
    d) none of the above
20. The number of milk teeth in humans is—
    a) 28
    b) 29
    c) 20
    d) 12

Aklso Read: Railway Static GK Practice Set-67 for RRB NTPC 2025

Answers to the RRB NTPC 2025 Static GK Practice Set-68

Here are the answers:

1. d
2. a
3. c
4. a
5. a
6. a
7. a
8. b
9. a
10. d
11. b
12. b
13. d
14. c
15. a
16. b
17. b
18. c
19. b
20. c

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