MCQ on Environmental Sciences for various Agriculture Exams✅ Part - 10

1) For handling food processing waste the best way is
i. Burn the waste in incinerator
ii. Compost the waste in mixed form
iii. Treat it by aerobic treatment
iv. Treat it by anaerobic treatment

2) The material which can be recycled in easiest way and that can create minimum pollution is
i. Iron
ii. Glass
iii. Aluminium
iv. Plastic

3) The country that has world's best waste management and recycling programme?
i. Germany
ii. India
iii. Japan
iv. USA

4) In biodegradable plastics which of the following chemical presents?
i. Cross linked glycols
ii. Straight glycols
iii. Poly hydroxyl butyrate
iv. Biodegradable cellulose

5) The bioremediation technique is which of the following?
i. Composting
ii. Oxidation
iii. Purging of air
iv. Reduction

6) To degrade complex substrate like lignin the white rot fungus is
i. Trichoderma chrysosporium
ii. Phanerochaete chrysosporium
iii. Penicillium ressi
iv. Chrysosporium ressi

7) In a paper and pulp industry the odour is mainly due to
i. Mercaptans
ii. Ammonia
iii. Sulphaides
iv. Dioxins