Any undesirable change in physical, chemical or biological characteristics of air, land, water or soil is called?
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Tamarindus indica is the scientific name of ________.
Which of the following planets has the highest revolutionary motion?
What is the SI unit of Force?
Heavy water is mostly used in which of the following?
Who among the following is addressed as the Chairman of Rajya Sabha?
Who was the first indian Chief Election Commissioner?
In HTML, ______________ attribute specifies a set of controls that are linked so that only one radio button among each set is selected at a time.