(31)Bakelite is a copolymer of phenol and
(a) Cinnaldehyde
(b) Benzaldehyde
(c) Acetaldehyde
(d)Formaldehyde
(32)When a spoon is to be electroplated with nickel the spoon is
(a) coated with nickel sulphate and dried
(b) made cathode and a pure nickel red, the anode
(c) made anode and a pure nickel rod, the cathode
(d)dipped in a nickel sulphate solution
(33)Atree like structure of records in a database in
(a) Multi-dimensional model
(b) Relational model
(c) Hierarchical model
(d)Network model
(34)Which of the following is a conductor of electricity ?
(a) Benzene
(b) Salt water
(c) Pure water
(d)Rubber
(35)The Bhopal tragedy was caused by the gas
(a) chlorine
(b) methyl isocyanate
(c) carbon monoxide
(d)phosgene
(36)Which one of the following contributes largely to the ‘green house effect’ ?
(a) Water vapour
(b) Carbon dioxide
(c) Carbon monoxide
(d) Ozone
(37)Who was the first musician to be felicitated with ‘Bharat Ratna’ ?
(a) Pt. Bhimsen Joshi
(b) Pt. Ravi shankar
(c) M.S. Subbulakshmi
(d)Lata Mangeshkar
(38) ‘Manas Sanctuary’ is located in the State of
(a) Chhattisgarh
(b) Jharkhand
(c) Assam
(d)Rajasthan
(39)First United Nations Conference on Environment was held in
(a) Paris
(b) London
(c) Stockholm
(d)Montreal
(40)Who of the following is a famous Tabla player ?
(a)Palghat Mani Iyer
(b) Pt. V.G. Jog
(c) Vikku Vinayakram
(d)Zakir Hussain