The lifespan of White Blood Cells is __________ days
(A) 1 – 5 days
(B) 3 – 7 days
(C) 4 – 8 days
(D) 5 – 21 days
Sound waves are _________ waves
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) None of these
Instrument used for measuring very high temperature is __________
(A) Pyroscope
(B) Pyrometer
(C) Seismograph
(D) Xylometer
When white light is passed through a prism, it splits into __________ colours
(A) 5
(B) 6
(C) 7
(D) 8
Which from the following is true for “Sound”
(A) Sound cannot travel through a vacuum
(B) Sound cannot travel through gases
(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids
CNG stands for
(A) Converted Natural Gas
(B) Conduced Natural Gas
(C) Conducted Natural Gas
(D) Compressed Natural Gas
Which from the following is NOT a conductor
(A) Aluminium
(B) Silicon
(C) Graphite
(D) All are conductors
A camera uses a __________ to form an image
(A) convex lens
(B) concave lens
(C) condenser lens
(D) none of these