“General Science and ability” is a compulsory subject for CSS & PMS exams. Previously, it was known as Everyday Sciences. This subject contains two portions. One is the General Science portion which includes Food Sciences, Biology, and Information Technology. Besides, it includes Physical Sciences, Physiology, Astronomy, Chemistry, and many more. Another one is the Ability portion which includes Algebra, Trigonometry, and Mathematics. If rightly attempted, both portions are high-scoring owing to their specific content. I’ll provide you with important previous questions about this subject. We have seen these questions from 1996-2022 intermittently. These are all “difference between” questions. You all must read them once to attempt these questions. I hope you will get a hundred percent marks on those questions.
So, without time wastage let’s start:
Q#1: Difference Between Hydrometer & Hygrometer
Hydrometer
Hygrometer
1. An instrument used to measure the specific gravity or density of a liquid.
1. An instrument used to measure atmospheric humidity.
2. It is based on the hydrostatic principle of Archimedes.
2. Hygrometer uses the change in length in organic fiber. It is because of the absorption of moisture.
3. It works at the standard temperature, mostly at 4℃.
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Very informative