226: Which one of following is produced during the formation of photochemical smog?
(a) Hydrocarbons
(b) Nitrogen Oxides
(c) Ozone
(d) Methane
227: At which stage in its life-cycle does the silkworm yield the fibre of commerce?
(a) Egg
(b) Larva
(c) Pupa
(d) Imago
228: Lord Buddha's image is sometimes shown with the hand gesture called 'Bhumisparsha Mudra'. It symbolizes
(a) Buddha's calling of the Earth to watch over Mara and to prevent Mara from disturbing his meditation
(b) Buddha's calling of the Earth to witness his purity and chastity despite the temptations of Mara
(c) Buddha's reminder to his followers that they all arise from the Earth and finally dissolve into the Earth, and thus this life is transitory
(d) Both the statements (a) and (b) are correct in this context
229: Milk fever in cows occurs due to the lack of:
(a) Phosphates
(b) Calcium
(c) Iron
(d) iodine
230: Banaras Hindu University was founded by:
(a) Dadabhai Naoroji
(b) Gopalakrishna Gokhale
(c) Pandit Madan Mohan Malaviya
(d) Bal Gangadhar Tilak