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General Science - Questions and Answers

Practice questions on General Science.

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21. The idea of vaccination to prevent attack of measles was given by
A. Alexander Flemming
B. Edwafd Jenner
C. Louis Pasteur
D. John Snow
Explanation:
22. In which of the following factors does the temperature of steam in a pressure cooker depend ?
A. Material of which cooker is made
B. Temperature of the flame
C. Quantity of cooking material
D. Size of the pressure cooker
Explanation:
23. Who proposed the mutation theory of evolution ?
A. Huxley
B. Darwin
C. Lamarck
D. Hugo de Vries
Explanation:
24. A mirage is the result of
A. fluctuation in refractive index of the atmosphere with height
B. increase in refractive index of the atmosphere with height
C. decrease in refractive index of the atmosphere
D. refraction of light through air having very large temperature gradients
Explanation:
25. Which of the following characteristics is not-shown by hydrogen ?
A. It burns in air to form water.
B. It supports combustion.
C. It combines with almost all the metals forming hydrides.
D. It readily combines with fluorine and chlorine and less readily with bromine, iodine, sulphur and phosphorus.
Explanation:
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