MCQ on Environmental Sciences for various Agriculture Exams✅ Part - 17

1) Phytoremediation is
i. Use of plants to remove toxicants from water or soil
ii. Use of root mycorrhizae for bioremediation purposes
iii. Removal of toxicants from plant body by chemical means
iv. Protection of plants from pests by IPM

2) In India major indoor pollutant is
i. Radon
ii. CO
iii. Formaldehyde
iv. Ozone

3) In motor vehicle catalytic converter can’t convert
i. Hydrocarbon to CO₂
ii. CO to CO₂
iii. SO₂ to sulphur
iv. NOₓ to N₂

4) To control fine particulate emission most suitable scrubber is
i. Ventury scrubber
ii. Mechanical scrubber
iii. Spray tower
iv. Packed tower

5) In urban area photochemical smog is formed mainly due to
i. Fog and smoke
ii. Particulates and fog
iii. O₃, PAN and nitrogen oxide
iv. Winter climate and high humidity

6) Scientific name of White rot fungus used to degrade lignin line complex substrate is
i. Trichoderma clryosporium
ii. Phanerochaete chrysosporium
iii. Chrysosporium ressi
iv. Penicillium ressi