Everyday Science

Everyday Science subject is comprise of Biology, Chemistry, Physics, Environmental Science, Geography and Engineering Subjects. This section also carries MCQs about how and why, science shapes our daily lives. Everyday Science or EDS is one of the compulsory subjects in CSS. It is also part of most of general tests conducted by different testing services and government departments, schools or colleges.

If you find any mistake, please comment and let us know.

    Everyday Science
    Which of the following devices converts electrical energy to sound?
    Electromechanical transducer, any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone)
    Author: rikazzz Comment
    Common Human Diseases
    Beri Beri is caused by the deficiency of which vitamin?

    Beriberi is caused by deficiency of thiamin, more commonly known as vitamin B1. Our body needs thiamin to break down and digest the foods you eat, to keep your metabolism going, and help muscles and nervous system do their jobs effectively. 

    Author: rikazzz Comment
    Everyday Science
    What is the unit of force?
    The SI unit of force is the newton, symbol N. The base units relevant to force are: The metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg.
    Author: rikazzz Comment
    Everyday Science
    The macronutrient needed for plants is
    There are 7 essential plant nutrient elements defined as micronutrients boron (B), zinc (Zn), manganese (Mn), iron (Fe), copper (Cu), molybdenum (Mo), chlorine (Cl).Macronutrients are essential for plant growth and a good overall state of the plant. The primary macronutrients are Nitrogen (N), Phosphorus (P), and Potassium (K). Nitrogen is essential for plant development, since it plays a fundamental role in energy metabolism and protein synthesis
    Author: rikazzz Comment
    Everyday Science
    What is the source of formic acid?
    Author: rikazzz Comment
    Everyday Science
    Which of the following is a secondary cell?
    Aluminium-ion battery. Carbon Battery. Single Carbon Battery. … Flow battery. Vanadium redox battery. … Lead–acid battery. Deep cycle battery. … Glass battery. Lithium-ion battery. Lithium ion lithium cobalt oxide battery (ICR) … Magnesium-ion battery. Metal–air electrochemical cells. Lithium air battery are examples of secondary cells
    Author: rikazzz Comment
    Chemistry
    In which layer of the earth`s atmosphere do precipitation occur?
    Author: rikazzz Comment
    Everyday Science
    Which of the following devices converts mechanical energy into electrical energy?
    The device which converts mechanical energy into electrical energy.is Electric generator.
    Author: rikazzz Comment
    Everyday Science
    Which of the following options is matched INCORRECTLY?
    Loud speaker – electric energy is converted into sound energy
    Author: rikazzz Comment
    Everyday Science
    A freely falling body under the pull of the Earth has a
    This gravitational force is due to the uniform acceleration due to gravity which is considered constant near the surface of the earth and is equal to g = 10m / s. Thus a freely falling body falls with the uniform acceleration and so it has non zero velocity or the velocity keeps on increasing.
    Author: rikazzz Comment