Which space agency sends 104 satellites in a single mission in 2017?
(A) Russian Agency
(B) NASA
(C) ISRO
(D) China space Agency
Telephone was invented by
(A) Alexander Graham Bell
(B) J.L. Baird
(C) Stevenson
(D) Newton
Who invented the railway engine?
(A) Charles Babbage
(B) Isaac Newton
(C) James Watt
(D) George Stephenson
Activity of brain is recorded by _______.
(A) MET
(B) CT
(C) ECG
(D) EEG
Biological Oxygen Demand (BOD) is used as a standard measure of __________.
(A) Oxygen level in water system
(B) Oxygen level in atmosphere
(C) Oxygen level in forest system
(D) Oxygen level in animals
Communication satellites are used to -
(A) provide information of natural resources only
(B) transmit communication signal only
(C) receive communication signal only
(D) receive and redirect communication signal
Get the Examsbook Prep App Today