221: "Inquilab Zindabad" slogan was given by:
(a) Chandra Shekhar Azad
(b) Subhash Chandra Bose
(c) Bhagat Singh
(d) Iqbal
222: Hydroponics means:
(a) Cultivation of plants without the use of soil
(b) Detection of sound in water
(c) Animals living in water
(d) A Japanese way of flowering
223: Heat from the sun is received by the earth through:
(a) Conduction
(b) Convection
(c) Radiation
(d) None of the above
224: The first factory Act restricting the working hours of women and children, and authorizing local governments to make necessary rules was adopted during whose time?
(a) lord Lytton
(b) Lord Ripon
(c) Lord Bentinck
(d) Lord Canning
225: Who among the following was not sent to Lanka for the propagation of Buddhism?
(a) Rashtriya
(b) Bhadrasaro
(c) Uttriya
(d) Sona