3901. The focal length of the lens in a photographic camera is cm. What is the power of the lens?
+ 20 D
3902. During the Indian Freedom struggle, who started a journal “The Indian Sociologist” ?
Shyamji Krishna Varma
3903. The nitrogen base of DNA are ?
Adenine; Guanine; Thymine and Cytosine.
3904. Who was the second Vice Chancellor of Travancore University?
r Harold Papworth (B) an English
3905. Who was the most famous poetess of the Sangham period?
Avvayar
3906. Name the economy in which people work according to the principle ‘from each according to his ability to each according to his needs’?
Communist Economy
3907. WAN stands for ?
Wide Area Network
3908. What is the order of magnitude of electric resistance of the human body (dry)?
106 ohm
3909. Who developed Varkala as the nucleus of a flourishing town?
Ayyappan Marthanda Pillai
3910. Trade Union comes under which List?
Concurrent list