Which space agency sends 104 satellites in a single mission in 2017?
(A) Russian Agency
(B) NASA
(C) ISRO
(D) China space Agency
The space agency that sent 104 satellites in a single mission in 2017 is the Indian Space Research Organisation (ISRO). The correct answer is (C) ISRO. ISRO's Polar Satellite Launch Vehicle (PSLV-C37) set a record by launching 104 satellites in a single mission on February 15, 2017.
Telephone was invented by
(A) Alexander Graham Bell
(B) J.L. Baird
(C) Stevenson
(D) Newton
The telephone was invented by Alexander Graham Bell. The correct answer is (A) Alexander Graham Bell. Bell is widely recognized for his pioneering work in the development of the telephone, and he received the first US patent for the invention of the telephone in 1876.
Who invented the railway engine?
(A) Charles Babbage
(B) Isaac Newton
(C) James Watt
(D) George Stephenson
The invention of the railway engine is credited to George Stephenson. The correct answer is (D) George Stephenson. George Stephenson, an English engineer, is known for developing the first practical steam locomotive, named "The Rocket," which played a crucial role in the early development of railways.
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
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