3721. What do the surface of Earth that lies between the Tropic of Cancer and the Tropic, of Capricorn?
Torrid Zone
3722. Which nontoxic gas helps in formation of enzymes which ripen fruit?
Acetylene
3723. The nitrogen base of DNA are ?
Adenine; Guanine; Thymine and Cytosine.
3724. The extent of the Delhi Sultanate empire was the greatest during which reign?
Alauddin Khilji
3725. Who is the author of Death in Venice ?
Thomas Mann
3726. Which city of America has the largest number of rail roads?
Chicago
3727. In which region of India was the Suharawadi order of Sufism popular?
Punjab and Sind
3728. When ore is heated generally in absence of air then what is process called?
Calcination
3729. Which is the leading producer of rice?
China
3730. Amnesty International is an organisation associated with which field?
Protection of human rights