Batteries and Cells MCQs
1. Which device commonly uses dry cells?A) RefrigeratorB) TelevisionC) Wall clockD) Air conditionerAnswer: C) Wall clock 2. The chemical energy …
Fuel Types MCQs
1. Which of the following is a solid fuel?A) PetrolB) LPGC) CoalD) KeroseneAnswer: C) Coal 2. Which fuel is commonly …
Water Purification Method MCQs
1. Which method is commonly used at home to remove large suspended particles from water?A) DistillationB) FiltrationC) ChlorinationD) FluoridationAnswer: B) …
Electric Iron MCQs
1. An electric iron works on the principle of:A) Chemical effect of currentB) Heating effect of currentC) Magnetic effect of …
Washing Machine MCQs
1. What is the main function of a washing machine?A) Cooking foodB) Cleaning clothesC) Drying dishesD) Ironing clothesRight Answer: B) …
Microwave Oven MCQs
1. What type of waves are used in a microwave oven?A) Sound wavesB) Infrared wavesC) MicrowavesD) X-raysRight Answer: C) Microwaves …
Refrigeration and Air Conditioning MCQs
1. What is the main purpose of refrigeration?A) To increase temperatureB) To remove heat from a spaceC) To produce electricityD) …
Pressure Cookers MCQs
1. A pressure cooker cooks food faster because it increases:A) Volume of waterB) Atmospheric pressureC) Boiling point of waterD) Size …
Kitchen Science MCQs
1. Why does milk boil over quickly when heated?A) Due to low densityB) Because of fat contentC) Formation of a …
Sustainable Development MCQs
1. Which of the following is the most widely accepted definition of sustainable development?A) Development that focuses on economic growth …