Important Science GK Questions and Answers
Triple antigen vaccine is given for which three diseases?
(A) Diphtheria, small pox and typhoid
(B) Diphtheria, smallpox and jaundice
(C) Diphtheria, whooping cough and tetanus
(D) Diphtheria, jaundice and typhoid
Correct Answer : C
Explanation :
Indicated for infants above the age of six weeks and of pre-school children against diphtheria, tetanus and pertussis (whooping cough).
The deficiency of essential elements for plants can be removed by giving which of the following?
(A) Nitrogen, Potash and Phosphorus
(B) Copper, nitrogen and iron
(C) Iron, Magnesium and Potash
(D) Zinc, Boron and Copper
Correct Answer : D
Zinc and mercury elements?
(A) are unique
(B) are rare earth elements
(C) are simple elements
(D) are transition elements
Correct Answer : D
The instrument which converts sound waves into electric waves is called a?
(A) Microtome
(B) Loudspeaker
(C) Microphone
(D) Magnetometer
Correct Answer : C
Explanation :
electromechanical transducer, any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone).
The flow of charge in liquids is?
(A) by molecules
(B) by ions
(C) by electrons
(D) by atoms
Correct Answer : B
Which of the following is a C4 plant?
(A) Peas
(B) Coconut
(C) Maize
(D) Peepal
Correct Answer : C
The markings of the organisms which are marked on the ancient rocks are called?
(A) Homologous organ
(B) Concurrent compositions
(C) Fossil
(D) Vestigial organs
Correct Answer : C
Transuranic Elements are?
(A) Those elements which are found beyond the planet Uranus
(B) Those elements whose atomic number is more than that of Uranium
(C) Gaseous element
(D) Isotopic forms of elements
Correct Answer : B
The device/instrument which cools the engine of vehicles is called a?
(A) Refrigerator
(B) Radiator
(C) Carburetor
(D) G.M. the counter
Correct Answer : B
Does respiration take place in plants?
(A) only at night
(B) only in the morning
(C) only during the day
(D) during the day and mainly at night
Correct Answer : D