Q1. The gas involved in Bhopal incident was
(a) Hydrogen sulphide
(b) Nitrogen dioxide
(c) Methyl chloride
(d) methyl isocyanate
Q2. The liquid waste from kitchens and baths, of residences is known as:
(a) Domestic sewage
(b) Storm water
(c) Sullage
(d) Refuse
Q3. The chemical used in developing photographic films is
(a) silver bromide
(b) hypo
(c) sodium sulphate
(d) hydroquinone
Q4. Which of the following is biodegradable?
(a) Paper
(b) D.D.T
(c) Aluminium
(d) Plastic
Q5. Hay fever is a sign of
(a) malnutrition
(b) allergy
(c) old age
(d) over work
Q6. Human kidney disorder is caused by the pollution of-
(a) Cadmium
(b) Iron
(c) Cobalt
(d) Carbon
Q7. Who among the following analysed DNA for the first time?
(a) Arthur Cornberg
(b) HargobindKhurana
(c) M. W. Nirenberg
(d) Watson and Krick
Q8. Which among the following living being has respiratory organ but does not have brain?
(a) crab
(b) starfish
(c) blood succor
(d) silverfish
Q9. ‘Stone Cancer’ occurs due to :
(a) Acid rain
(b) Global warming
(c) Radioactivity
(d) Bacterial action
Q10. Cadmium pollution is associated with:
(a) Minamata disease
(b) Black foot disease
(d) Itai-itai
Q11. Haemoglobin has highest affinity for
(a) Oxygen
(b) Carbon dioxide
(c) Carbon monoxide
(d) Nitrogen
(a) Gill
(b) Trachea
(c) Book lung
(d) Pulmonary Sac
Q13. Excess amount of absorbed water by plants is liberated out by :
(a) Evaporation
(b) Osmosis
(c) Diffusion
(d) Transpiration
Q14. Biogradable wastes can usually be converted into useful substances with the help of:
(a) nuclear proteins
(b) radio-active substances
(c) viruses
(d) bacteria
Q15. Bio-diesel is mostly produced by :
(a) Myrtaceae
(b) Malvaceae
(c) Liliaceae
(d) Euphorbiaceae
