About Ira Periyavallur

Ira believes that knowledge must be shared and applied. She found it difficult to remember the various facts, dates, formulas etc as a student and hence now, as an academician she strives her best to help students remember the facts.

Coal & Petroleum : 10 Quizzes to Test Your Knowledge

petroleum_coal_quizzes

A very simple quiz on coal and petroleum .Coal can be defined as a sedimentary rock that burns. It was formed by the decomposition of plant matter, and it is a complex substance that can be found in many forms. Coal is divided into four classes: anthracite, bituminous, sub-bituminous, and lignite.In contrast ,the term petroleum comes from the [...]

Quiz on Metals & Non Metals-Part II

Second part of the 10 questions quiz on metals and non-metals  for class VIII of CBSE Board. Physical properties of metals are different from non metals  and  to classify elements as metals and non metals , one has to study  the chemical and physical properties of elements .They are  broadly classified  on the basis of Lustre , Hardness , [...]

Metals and Non-Metals Quiz For Class VIII CBSE

Physical properties of metals are different from non metals  and  to classify elements as metals and non metals , one has to study  the chemical and physical propeties of elements .They are  broadly classified  on the basis of Lustre , Hardness , Lustre , Ductility and Malleability. Here is quick 10 simple quiz for students of  to [...]

Synthetic Fibers : Ten Fast Quizzes

synthetic fibers

Synthetic fibers  is a natural fibre obtained from the cotton plant .Synthetic fibers are made through a number of processes using  petrochemicals. A polymer is made up of many repeating units called monomers.Synthetic fibers also known as artificial fiber is a threadlike material  do not exist naturally. For example,  nylon, rayon, are synthetic fibers.If you compare , synthetic fibers to  the natural cotton , it can be [...]

Synthetic fibres and Plastics -10 Multiple Choice Questions

synthetic

Synthetic fibers and plastics are alternatives to cotton which is a natural fibre obtained from the cotton plant.Synthetic fibres are manufactured by a number of processes using  petrochemicals. A polymer is made up of many repeating units called monomers.In contrast , the natural cotton ,  is a form of polymer called cellulose, which is made of a large number of glucose units.Characteristics of synthetic fibers: Test Your Knowledge on Synthetic fibres and Plastics [viral-lock message="After you LIKE [...]

10 Objective Questions Quizzes on Microbes- Friend of Foe

Microorganisms live in  biosphere everywhere. You will find microbes where there is liquid water, including soil, hot springs, on the ocean floor, high in the atmosphere and deep inside rocks within the Earth’s crust. They play a critical role for  recycling in ecosystems as they act as decomposers. Microbes are also used both in traditional food and beverage preparation. It is also used in modern technologies based on genetic engineering. 10 questions [...]

10 multiple Choice Questions on Microbes

quiz_microbe_biology

Microorganisms live in  biosphere everywhere. You will find microbes where there is liquid water, including soil, hot springs, on the ocean floor, high in the atmosphere and deep inside rocks within the Earth’s crust. They play a critical role for  recycling in ecosystems as they act as decomposers. Microbes are also used both in traditional food and beverage preparation. It is also used in modern technologies based on genetic engineering. Here is [...]

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