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

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

Contents

• Results
  • #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 :

Results

#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?

Water

Water

Ice

Ice

Turpentine Oil

Turpentine Oil

Kerosene Oil

Kerosene Oil

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

Is Odourless

Is Odourless

It is not soluble in water

It is not soluble in water

Burns with a yellow

Burns with a yellow

Lighter than air

Lighter than air

#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:

Phagocytosis

Phagocytosis

Exocytosis

Exocytosis

Plasmolysis

Plasmolysis

Deplasmolysis

Deplasmolysis

#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 :

Itai=Itai

Itai=Itai

Minimata

Minimata

Peptic Ulcer

Peptic Ulcer

Skin Cancer

Skin Cancer

finish