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Executive Officer / Secretary Municipality Service Previous Year Question Paper – 2020 – Science

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PREVIOUS YEAR QUESTION PAPERS

Previous Year Question Paper Of Executive Officer / Secretary Municipality Service including subject Science of the year 2020.

#1. Refractive indices of kerosene oil, turpentine oil, water and ice are 1.44, 1.47, 1.33 and 1.31 respectively. Through which of these media light travels fast?

#2. For Hydrogen gas, which one is not correct?

#3. The phenomenon of shrinkage of protoplast from the cell wall due to exosmosis in a plant cell when placed in a hypertonic solution is called:

#4. Bio Magnification of Mercury in fishes, through the food chain ,results in a disease in the fish - eating populace. The name of the disease is :

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