1. .1: Primary source of waste in the paper and card industry.
(A) Wood fiber and pulp residues.
(B) Glass waste.
(C) Plastic packaging.
(D) Metal scraps.
2. .2: How does paper and card industry waste affect water bodies?
(A) It causes air pollution.
(B) It leads to soil contamination.
(C) It contributes to eutrophication and water pollution.
(D) It has no impact on the environment.
3. .3: Common pollutants in wastewater from Card and Paper industry.
(A) Sulfur dioxide and nitrogen oxides.
(B) Chlorine and mercury.
(C) Nitrogen and phosphorus.
(D) Lead and cadmium.
4. .4: What is the significance of using recycled paper in reducing waste pollution?
(A) It lowers greenhouse gas emissions.
(B) It decreases water consumption.
(C) It reduces air pollution.
(D) It increases waste generation.
5. .5: Main pollutants generated by the fertilizer industry.
(A) Plastic waste.
(B) Organic matter and sulfur dioxide.
(C) Heavy metals and glass waste.
(D) Nitrogen compounds and phosphorus.
6. .6: How does fertilizer industry waste affect water bodies?
(A) It causes air pollution.
(B) It leads to soil erosion.
(C) It has no impact on the environment.
(D) It contributes to water eutrophication and pollution.
7. .7: What are the potential environmental impacts of excessive nutrient runoff from the fertilizer industry?
(A) Reduced soil fertility.
(B) Water eutrophication and harmful algal blooms.
(C) Enhanced biodiversity.
(D) Lower greenhouse gas emissions.
8. .8: Primary source of waste in the dairy industry.
(A) Animal waste.
(B) Paper waste.
(C) Plastic packaging waste.
(D) Metal scraps.
9. .9: What environmental impact can arise from untreated dairy processing wastewater?
(A) Water pollution and harm to aquatic life.
(B) Enhanced biodiversity.
(C) Reduced soil fertility.
(D) Lower greenhouse gas emissions.
10. .10: Bleaching of paper is done by
(A) Chlorine
(B) Fluorine
(C) Iodine
(D) Black liquor
11. .11: Removes 94% Color from the pulp waste
(A) Sulphur
(B) Hydrogen
(C) Active carbon
(D) Sulphuric acid
12. .12: Salient and significant pollution of fertilizer industry
(A) Polluted air
(B) Polluted water
(C) Solid waste
(D) Noise pollution
13. .13: Control of Radon emission could be done through
(A) Silencer
(B) Installing cyclone scrubbers
(C) Curing of water
(D) Sealing in stores
14. .14: Phosphorous and gypsum are recycled through fertilizer industry and used to make.
(A) Bags
(B) Acids
(C) Papers
(D) Gypsum boards
15. .15: pH value of dairy waste is
(A) 2.7
(B) 3.7
(C) 5.7
(D) 7.2
16. .16: Milk waste contain very little
(A) Water
(B) Suspended solids
(C) Dissolved solids
(D) Cream
17. .17: The standard limit of total dissolved solids in waste water of dairy Industry
(A) 10 — 100 mg/l
(B) 5 — 7 mg/l
(C) 8 — 20 mg/l
(D) 2 — 5 mg/l
18. .18: Major pollution generated by dairy waste is
(A) Water pollution
(B) Air pollution
(C) Land pollution
(D) Thermal pollution
19. .19: The pulp is produced in the industry
(A) Petrochemical industry
(B) Tannery industry
(C) Fertilizer Industry
(D) Paper & Card board Industry
20. .20: The main role of industry in the agriculture sector is
(A) Fertilizer Industry
(B) Tannery industry
(C) Petrochemical industry
(D) Paper & Card board Industry