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General Science - Questions and Answers

Practice questions on General Science.

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1241. Nitrogen fixation is done by :
A. red algae
B. green algae
C. brown algae
D. blue-green algae
Explanation:
1242. The isotope of uranium capable of sustaining chain reactions is :
A. U-235
B. U-238
C. U-239
D. none of these
Explanation:
1243. The maximum fixation of solar energy is done by :
A. bacteria
B. protozoa
C. fungi
D. green plants
Explanation:
1244. An alloy used in making heating elements for electric heating devices is :
A. solder
B. alloy steel
C. nichrome
D. German silver
Explanation:
1245. A form of heart disease in which blood supply to the heart is inadequate is known as :
A. hepatitis
B. alpoecia
C. angina
D. pericarditis
Explanation: