Everyday Science Mcqs

Which of these is NOT a form of energy?

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Which of these is NOT a form of energy?A. Heat
B. Light
C. Temperature
D. Electricity

Temperature is the degree or intensity of heat present in a substance or object. Thus temperature is not a form of energy. Whereas others are forms of energy which can be converted form one form to another.

 

For the generation of biogas, the materials commonly used are__________?

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For the generation of biogas, the materials commonly used are__________?A. Animal wastes
B. Forest residues
C. Aquatic plants
D. None of these

Biogas typically refers to a gas produced by breakdown of organic matter in the absence of oxygen. Organic waste such as dead plant and animal material, animal feces, and kitchen waste can be converted into a gaseous fuel called biogas. Biogas originates from biogenic material and is a type of bio fuel. Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material, and crops. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.

 

Vitamin C is essential for___________?

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Vitamin C is essential for___________?

A. Appetite
B. Growth & repairing of tissues
C. Muscles
D. Brain

Vitamin C is needed for the growth and repair of tissues in all parts of your body. It is used to: Form an important protein used to make skin, tendons, ligaments, and blood vessels. Heal wounds and form scar tissue.