Quizzes from 21 to 30

Everyday Science Multiple Choice Questions (MCQs) Page-3. These general science quizzes are from basic science, interesting scientific facts, and important scientific developments. Find answers to the questions at the bottom of the page.

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 .. 15 | 16 .. 20 | 30

21. CNG stands for?
(A) Converted Natural Gas
(B) Conduced Natural Gas
(C) Conducted Natural Gas
(D) Compressed Natural Gas

22. Which from the following is true for “Sound”?
(A) Sound cannot travel through a vaccum
(B) Sound cannot travel through gases
(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids

23. When white light is passed through a prism, it splits into __________ colours.
(A) 5
(B) 6
(C) 7
(D) 8

24. 1 nanometer = ?
(A) 10^-3 meter
(B) 10^-6 meter
(C) 10^-9 meter
(D) 10^-12 meter

25. Instrument used for measuring very high temperature is
(A) Pyroscope
(B) Pyrometer
(C) Seismograph
(D) Xylometer

26. Sound waves are _________ waves.
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) none of these

27. The lifespan of White Blood Cells is __________ day(s).
(A) 1
(B) 2
(C) 3
(D) 4

28. The fluid part of blood is known as
(A) plasma
(B) platelets
(C) blood cells
(D) hormones

29. X-rays were discovered by
(A) Rontgen
(B) Thomson
(C) Rutherford
(D) Bacquerel

30. The speed of light is
(A) 280,000 km/s
(B) 300,000 km/s
(C) 320,000 km/s
(D) none of these

ANSWERS: EVERYDAY SCIENCE QUIZZES
21. D
22. A
23. B
24. C
25. B
26. C
27. A
28. A
29. A
30. B