2651: At which place Gautama Buddha delivered his first sermon?
(a) Sarnath
(b) Lumbini
(c) Bodh Gaya
(d) Vaishali
2652: Who among the following attended all the three Round Table Conferences?
(a) Madan Mohan Malaviya
(b) Mahatma Gandhi
(c) Sarojini Naidu
(d) B. R. Ambedkar
2653: Which one of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?
(a) Chlorofluorocarbons
(b) Nitrous oxide
(c) Sulphur dioxide
(d) Carbon dioxide
2654: Mission Indradhanush' launched by the Government of India pertains to
(a) immunization of children and pregnant women
(b) construction of smart cities across the country
(c) Indias own search for the Earth-like planets in outer space
(d) New Educational Policy
2655: When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
(a) Water from soil cannot rise to aerial parts
(b) Roots are starved of energy
(c) Tree is infected by soil microbes
(d) Roots do not receive oxygen for respiration