Grade 7 Agriculture – Soil pollution control Quiz

1. What main kind of pollution affects the health of plants?

Soil Pollution
Roots
Plant Health
Mineral pollution
Explanation:

2. What happens to the soil during soil pollution?

plants die because of human ignorance
the incorporation of unwanted chemicals in the soil due to human activity
bad chemicals are placed in the ground by hand
the soil becomes contaminated
Explanation:

3. How is soil affected by insecticide and pesticide?

Breaks down soil minerals
Hurt the soils feelings
Draws out natural needed nitrogen
Kills the plants starting at the roots
Explanation:

4. What process by man exploits soil?

Kids digging in their sand box
Digging machines
Mining and deforestation
Landfills
Explanation:

5. How does soil pollution affect the economy?

Plants aren't happy with being sold for money
Animals think the plants taste bad
People get sick from buying plants
Polluted plants can't be sold if they are poisoned
Explanation:

6. What impact does soil pollution have on humans?

Nothing
Hurts feelings
Makes them sick
Can cause so many diseases and cancers
Explanation:

7. Where in the world do we see soil pollution?

US, Europe and Australia
Everywhere
Canada, China, Australia
Africa, Australia, South Africa, Europe
Explanation:

8. How does soil pollution affect plants?

Doesn't effect them
Hurts its feelings
Raises the toxicity level in the plant
Can't be used
Explanation:

9. Which of the following factor does not produce soil pollution ?

pesticides
waste produced by factories
trash
water
Explanation:

10. Where is garbage taken after you throw it away?

to a landfill
to the ocean
to space
to a factory
Explanation:

11. Which disease cannot be produced by soil pollution ?

Deformities
Skin problems
Heart disease
Cancer
Explanation:

12. The planet looses ______ billion tons of top soil each year

24
54
94
84
Explanation:

13. Air Pollution causes...

Throat Inflammation
Typhoid
Anger
Fatigue
Explanation:

14. Some examples of natural effects of pollution are..

Dust storms
Burning of Garbage
Smoke from vehicles
Smoke from Factories
Explanation:

15. Direct contact with polluted soil can cause skin problems, respiratory problems, and ___________ in human beings.

speech interference
cancer
hearing loss
vision
Explanation:

16. Which of the following is not a method of preventing soil pollution?

Proper disposal of toxic chemicals
Using organic fertilizers
Contour plowing
Burning plastic waste
Explanation:

Burning plastic waste releases harmful chemicals into the soil, contributing to pollution.

17. What is the purpose of planting cover crops?

To increase soil temperature
To reduce soil moisture
To prevent erosion
To promote soil bacteria growth
Explanation:

Cover crops help protect the soil from erosion caused by wind and water, preventing pollution.

18. Which practice helps in reducing soil pollution?

Crop rotation
Dumping waste in agricultural fields
Overuse of chemical fertilizers
Monocropping
Explanation:

Crop rotation helps maintain soil fertility and reduces the buildup of harmful chemicals in the soil.

19. What is a common source of soil pollution in agricultural areas?

Composting
Use of pesticides
Cover cropping
Subsurface irrigation
Explanation:

Pesticides are commonly used in agriculture and can seep into the soil, contaminating it with harmful chemicals.

20. Which farming method can help reduce soil pollution?

Removing crop residue
Heavy tillage
Excessive pesticide use
No-till farming
Explanation:

No-till farming helps minimize soil erosion and reduces the need for chemical inputs, thus lowering soil pollution.

21. How can planting trees help in controlling soil pollution?

Increase soil compaction
Reduce soil erosion
Promote water runoff
Decrease soil biodiversity
Explanation:

Trees help stabilize the soil, prevent erosion, and filter out pollutants, thereby reducing soil pollution.

22. What is a sustainable practice to manage soil pollution?

Overgrazing
Overuse of chemical fertilizers
Dumping waste in landfills
Composting organic waste
Explanation:

Composting organic waste helps in recycling nutrients back into the soil and reduces the need for chemical fertilizers, thus minimizing pollution.

23. Which action contributes to soil pollution?

Deforestation
Crop rotation
Terracing
Proper waste disposal
Explanation:

Deforestation leads to soil erosion, loss of biodiversity, and degradation of soil quality, contributing to soil pollution.

24. What is a sustainable soil management practice?

Integrating livestock into cropping systems
Using synthetic fertilizers
Burning crop residue
Plowing downhill
Explanation:

Integrating livestock into cropping systems can help recycle nutrients, improve soil fertility, and reduce the need for chemical inputs, thus promoting sustainable soil management.

25. Which practice can help reduce soil pollution in agricultural fields?

Promoting biodiversity
Tilling the soil frequently
Applying excess chemical fertilizers
Leaving soil bare during the off-season
Explanation:

Promoting biodiversity through crop diversification and habitat preservation can enhance soil health and reduce the risk of pollution.

26. What is the main cause of soil pollution in Kenya?

Regular soil testing
Using organic compost
Planting more trees
Excessive use of chemical fertilizers
Explanation:

Excessive use of chemical fertilizers can lead to soil pollution by contaminating the soil with harmful chemicals.

27. Which practice can help control soil pollution in agriculture?

Burning crop residues
Leaving soil bare
Applying pesticides frequently
Using cover crops
Explanation:

Using cover crops can help control soil pollution by preventing erosion and improving soil health.

28. What is a common source of soil pollution in Kenyan agriculture?

Crop rotation
Composting
Industrial runoff
Using organic pesticides
Explanation:

Industrial runoff, which contains chemicals and pollutants, is a common source of soil pollution in Kenyan agriculture.

29. How can farmers reduce soil pollution in their fields?

Overgrazing
Implementing crop rotation
Using plastic mulch
Increasing agrochemical use
Explanation:

Implementing crop rotation can help farmers reduce soil pollution by maintaining soil fertility and reducing pest and disease pressure.

30. What is a sustainable farming practice to control soil pollution?

Using genetically modified crops
Tilling the soil excessively
Applying organic manure
Using chemical herbicides
Explanation:

Applying organic manure is a sustainable farming practice that can help control soil pollution by improving soil structure and fertility.

31. Which activity can contribute to soil pollution in agriculture?

Applying excessive irrigation
Implementing proper waste management
Planting cover crops
Using biodegradable mulch
Explanation:

Applying excessive irrigation can contribute to soil pollution by causing waterlogging and leaching of nutrients and chemicals into the soil.

32. What is a potential effect of soil pollution on crop production in Kenya?

Higher pest resistance
Increased soil fertility
Reduced crop yields
Improved plant growth
Explanation:

Soil pollution can lead to reduced crop yields in Kenya by causing nutrient deficiencies, contamination, and soil degradation.

33. What can farmers do to prevent soil pollution in agriculture?

Burning crop residues in the field
Disposing of plastic waste in fields
Using crop rotation and intercropping
Applying chemical fertilizers without testing the soil
Explanation:

Farmers can prevent soil pollution by using crop rotation and intercropping to maintain soil health, prevent erosion, and reduce pests and diseases.

34. Which practice can help control soil pollution from agricultural runoff in Kenya?

Applying pesticides near water bodies
Using synthetic fertilizers
Constructing terraces on slopes
Removing vegetation along riverbanks
Explanation:

Constructing terraces on slopes can help control soil pollution from agricultural runoff by reducing soil erosion and preventing the transport of pollutants into water bodies.

35. What should farmers avoid to prevent soil pollution in their fields?

Applying organic compost
Using recycled water for irrigation
Burning plastic waste
Practicing crop rotation
Explanation:

Farmers should avoid burning plastic waste in their fields as it can release harmful chemicals into the soil and air, contributing to soil pollution.

36. What is a recommended method to control soil pollution in agriculture?

Implementing proper waste disposal
Using chemical pesticides regularly
Applying fungicides to all crops
Planting trees around the farm
Explanation:

Implementing proper waste disposal is a recommended method to control soil pollution in agriculture by preventing the accumulation of toxic materials in the soil.

37. Which activity can help reduce soil pollution in Kenyan agriculture?

Conserving water resources
Removing crop residues from fields
Implementing no-till farming
Overusing chemical herbicides
Explanation:

Conserving water resources can help reduce soil pollution in Kenyan agriculture by minimizing water runoff, erosion, and leaching of contaminants into the soil.

38. What can farmers do to minimize soil pollution in agriculture?

Applying pesticides without protective gear
Practicing integrated pest management
Using excess fertilizers
Disposing of agricultural waste properly
Explanation:

Farmers can minimize soil pollution by disposing of agricultural waste properly, such as composting organic matter and recycling materials, to prevent contamination of the soil.

39. Which practice can help reduce soil pollution from heavy metal contamination in Kenya?

Removing vegetation along water bodies
Using lead-based pesticides
Implementing soil conservation measures
Applying sewage sludge as fertilizer
Explanation:

Implementing soil conservation measures can help reduce soil pollution from heavy metal contamination in Kenya by minimizing soil erosion and the transport of pollutants.

40. What is a sustainable way to control soil pollution in agriculture?

Applying chemical fertilizers indiscriminately
Planting hedgerows to prevent soil erosion
Burning crop residues in the field
Using synthetic growth hormones in crops
Explanation:

Planting hedgerows to prevent soil erosion is a sustainable way to control soil pollution in agriculture by stabilizing soil, reducing runoff, and providing habitat for beneficial organisms.

41. Which farming practice can help protect soil from pollution in Kenya?

Burning crop residues on fields
Using farm machinery in wet conditions
Applying chemical fertilizers without testing the soil
Integrating livestock into crop production
Explanation:

Integrating livestock into crop production can help protect soil from pollution in Kenya by adding nutrients, improving soil structure, and reducing the need for chemical inputs.

42. What can farmers do to reduce the risk of soil pollution in agriculture?

Implementing proper waste management
Applying excessive irrigation
Mixing different chemical pesticides
Practicing monoculture
Explanation:

Farmers can reduce the risk of soil pollution in agriculture by implementing proper waste management practices that minimize the release of pollutants into the soil and water.

43. Which method can help control soil pollution from plastic contamination in Kenyan agriculture?

Applying chemical herbicides frequently
Disposing of plastic waste in water bodies
Using biodegradable mulch
Burning plastic waste in the field
Explanation:

Using biodegradable mulch can help control soil pollution from plastic contamination in Kenyan agriculture by providing a sustainable alternative to traditional plastic mulches that can harm the soil and environment.

44. What is a recommended strategy to prevent soil pollution in agriculture?

Removing vegetation along field borders
Applying excessive irrigation
Practicing sustainable land management
Using synthetic growth regulators
Explanation:

Practicing sustainable land management is a recommended strategy to prevent soil pollution in agriculture by promoting soil health, biodiversity, and ecosystem resilience.

45. Which action can help control soil pollution from agrochemicals in Kenya?

Implementing integrated pest management
Using chemical fertilizers without testing the soil
Applying pesticides near water sources
Burning crop residues in the field
Explanation:

Implementing integrated pest management can help control soil pollution from agrochemicals in Kenya by reducing the reliance on chemical pesticides, minimizing environmental impacts, and promoting sustainable farming practices.

46. How can farmers contribute to reducing soil pollution in agriculture?

Applying chemical fertilizers excessively
Practicing crop rotation
Burning crop residues without recycling
Disposing of plastic waste in fields
Explanation:

Farmers can contribute to reducing soil pollution in agriculture by practicing crop rotation to maintain soil fertility, control pests and diseases, and minimize the buildup of harmful chemicals in the soil.

47. What is an effective way to control soil pollution from pesticide use in Kenya?

Adopting organic pest control methods
Burning pesticide containers after use
Applying pesticides in large quantities
Spraying pesticides without protective gear
Explanation:

Adopting organic pest control methods is an effective way to control soil pollution from pesticide use in Kenya by reducing the reliance on synthetic chemicals, minimizing environmental harm, and promoting a healthy ecosystem.

48. Which practice can help reduce soil pollution from erosion in Kenyan agriculture?

Implementing conservation tillage practices
Using heavy machinery on wet soil
Applying chemical fertilizers in excess
Leaving fields bare during heavy rains
Explanation:

Implementing conservation tillage practices can help reduce soil pollution from erosion in Kenyan agriculture by preserving soil structure, minimizing runoff, and preventing the loss of topsoil and nutrients.

49. What should farmers avoid to prevent soil pollution from sedimentation in agriculture?

Applying excess irrigation water
Disposing of agricultural waste properly
Using erosion control measures
Clearing vegetation along waterways
Explanation:

Farmers should avoid clearing vegetation along waterways to prevent soil pollution from sedimentation as it can lead to erosion, loss of habitat, and degradation of water quality.

50. Which method can help control soil pollution from nutrient runoff in Kenyan agriculture?

Applying excessive nitrogen to crops
Burning crop residues near water sources
Implementing riparian buffers along water bodies
Using synthetic fertilizers without testing the soil
Explanation:

Implementing riparian buffers along water bodies can help control soil pollution from nutrient runoff in Kenyan agriculture by trapping sediments, filtering pollutants, and protecting water resources.