Who invented Hydrogen bomb?
(A) J. Robert Oppenheimer
(B) Albert Einstein
(C) Samuel Kohen
(D) Edward Teller
Which of the following is the most abundant element in the Earth’s crust?
(A) Oxygen
(B) Silica
(C) Iron
(D) Aluminum
Which of the following grain was first used by human?
(A) Ragi
(B) Wheat
(C) Barley
(D) Oat
Which of the following major diseases is caused by ultraviolet radiations?
(A) Liver cancer
(B) Skin cancer
(C) Neurological disorder
(D) Blood cancer
Photosynthesis in plants converts light energy to____ energy.
(A) Chemical
(B) Thermal
(C) Kinetic
(D) Physical
Which type of magnet is used in an electric bell?
(A) Bar magnet
(B) Cylindrical magnet
(C) Electromagnet
(D) Button magnet
Who invented the battery?
(A) Michael Faraday
(B) Volta
(C) Maxwell
(D) Roentgen
What is the scientific name of Banyan Tree?
(A) Mangifera indica
(B) Ficus benghalensis
(C) Azadirachta indica
(D) Shorea robusta
Where the Bio-chemical compounds are used?
(A) Food preservatives
(B) Skin Treatments
(C) Cooking Oils
(D) All of the above
What is white Phosphorus?
(A) P4
(B) P
(C) O3
(D) Pb
Get the Examsbook Prep App Today