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Online General Science Quiz Set No - 50

General Science questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.

491) Who among the following propounded the theory of zero?
A) Chanakya
B) Aryabhatta
C) Varahamihira
D) Charak

492) Who among the following scholars suggested the earth's origin from gases and dust particles?
A) James Jeans
B) H. Alfven
C) F. Hoyle
D) O. Schmidt

493) Who discovered Insulin?
A) William Harvey
B) Madam Curie
C) Alexander Flemming
D) Frederick Banting

494) Who invented Smallpox Vaccine ?
A) Edward Jenner
B) Louis Pasteur
C) Alexander Fleming
D) Jonas Salk

495) Who invented the battery?
A) Roentgen
B) Volta
C) Faraday
D) Maxwell

496) Who suggested that the most of the mass of atom is located in nucleus ?
A) Bohr
B) Thomson
C) Rutherford
D) Avogadro

497) Why do you feel cool under a tree but not so under a tin shed on a sunny day?
A) The leaves give out water which vapourises absorbing some heat as latent heat
B) Photosynthesis absorbs heat
C) The leaves convert water vapours into water which is a heat-absorbing process
D) The greenness of the tree gives the cool feeling

498) Wind rose represents?
A) Wind pressure
B) Wind turbulence
C) Wind temperature
D) Wind data

499) WINDOWS-10 is basically
A) a high level language
B) an operating system
C) an input device
D) a machine language

500) Wisdom teeth normally grow during the age of?
A) 7-11 years
B) 12-15 years
C) 17-30 years
D) 32-40 years