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Eighteen Fifty Seven was written by well known Indian Historian Dr. Surendra Nath Sen ,with a foreword by Maulana Azad. It was published on May 1957 by the publication division, Ministry of Information and broadcasting, Government of India.
Sycon (Scypha), Spongilla (Freshwater sponge), and Euspongia (Bath sponge) are examples of which phylum?
The amount of water vapors differs from place to place. Its amount is minimum in which of the following places?
Which catalyst is used for the synthesis of H₂ SO₄ by Lead-Chamber process?
In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called:
The plant cell wall is primarily composed of what?
Which one of the following statements is not correct?
Which drug is used as an antidepressant?
The common approach(es) for the treatment of cancer is/are :
(A) Vaccination
(B) Surgery
(C) Physiotherapy
(D) Radiation the...