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General Science - Questions and Answers

Practice questions on General Science.

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856. Sound Waves produce echo due to
A. Refraction
B. Diffraction
C. Reflection
D. Absorption
Explanation:
857. The combustible material at the tip of a safety match stick is
A. sulphur
B. manganese dioxide
C. phosphorus
D. antimony sulphide
Explanation:
858. Actinides are the elements with atomic numbers from :
A. 36 to 43
B. 89 to 103
C. 97 to 114
D. 101 to 115
Explanation:
859. Which of the following gases is not known as green house gas ?
A. Carbon dioxide
B. Methane
C. Nirtous oxide
D. Hydrogen
Explanation:
860. Ornithology is the study of
A. Flow of electric
B. Flow of heat
C. Aufbau Principle
D. Photoelectric effect
Explanation: