The Ozone layer lies in the
Hasdo Valley in Chhattisgarh is famous for
Concave lens is used to correct
The important metal used with iron to produce stainless steel is
Which element is the best conductor of electricity?
Bauxite is an ore of:
Which of the following glands produces insulin in human body?
Which of the following is food poisoning organism
Development of goitre (Enlarged thyroid gland) is mainly due to dificiency of:
The emission of which casuses global warming?
What is the profession of Sumit?
Which one of the following is responsible for the working of Newton's colour disc experiment ?
The dimension MLT-2 corresponds to–
Who is the founder of quantum theory of radiation ?
Fiber optics cable used in communication, works on the principle of