One of four words is a class to which the other three belong. Identify the class.
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Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
Which cricketer is not in the list of ICC Cricket Hall of Fame?
___ is known as a disease mostly caused by occupational health hazards.
What is the valency of magnesium?
What are the receptors for detecting taste called?
Which of the following is the main thinking part of the human brain?
A girl child has which of the following combinations of chromosomes in her cells?