Match each item in Column I with one item in Column II and choose the correct answer from the code given below:

           COLUMN I                                                                  COLUMN II
A. Air [Prevention and Control of Pollution] Act                          a. 1981
B. Water [Prevention and Control of Pollution] Act                     b. 1974
C. Environment [Protection] Act                                               c. 1986
D. Montreal Protocol                                                               d. 1987

Codes:
             A.            B.                   C.              D.
1.          a              b                    c               d

2.          b              a                    d               c

3.          d              c                    b               a

4.          c              d                    a               b

(1) Pollutant

(2) Bioparcy

(3) Bioinformatics

(4) Biomagnification

(1) Environment Pollution Act-1981

(2) Environment Pollution Act-1986

(3) Environment Protection Act-1986

(4) Environment Protection Act-1981

(1) Air

(2) Water

(3) Soil

(4) All of these

(1) Organism exposed

(2) Duration of exposure

(3) Concentration of pollutants

(4) All of these

(1) Particulate air pollutant

(2) Gaseous air pollutant

(3) Harmful gases

(4) All of these

(1) Electrostatic Precipitator

(2) Scrubber

(3) Both of these

(4) Cannot be removed

(1) It can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant

(2) Electrode wires maintained at thousand volts, which produce a corona that release electrons

(3) The protons are attached to dust particle give them a net positive charge

(4) The collecting plates attract the dust particles

(1) An instruction of low velocity of air between the plates

(2) An instruction of high velocity of air between the plates to allow rapid fall of dust particles

(3) An instruction of no air between plates so that charge may not get disturbed

(4) Both A and C