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General Science - Questions and Answers

Practice questions on General Science.

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1271. Soda water contains :
A. nitrous acid
B. carbonic acid
C. carbon dioxide
D. sulphuric acid
Explanation:
1272. Ants are always seen moving in a line one after another. They trace the path because of the secretion of chemicals called :
A. detectors
B. sex hormones
C. pheromones
D. none of these
Explanation:
1273. Consider the following statements : 1. Dengue is a protozoan disease transmitted by mosquitoes. 2. Retro-orbital pain is not a symptom of Dengue.3. Skin rash and bleeding from nose and gums are some of the symptoms of Dengue.Which of the statements given above is/are correct ?
A. 1 and 2
B. 3 only
C. 2 only
D. 1 and 3
Explanation:
1274. The average salinity of sea water is :
A. 2%
B. 2.5%
C. 3%
D. 3.5%
Explanation:
1275. The metal that is present in photo films is :
A. mercury
B. platinum
C. magnesium
D. silver
Explanation:
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