4.6 Pesticides & Fertilizers

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  • 1/7 Questions
    Farmers use fertilizers because they - ProProfs

    Farmers use fertilizers because they

    • Add nutrients, like nitrogen and phosphorus, to the soil.
    • Make crops resistant to harmful bugs.
    • Provide a rich water supply to the crops.
    • Kill unwanted organisms that destroy crops.
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About This Quiz

Environmental Science
Unit 4: Land Use & Human Impact
4.4 I can explain the benefits and environmental impacts of pesticide and fertilizer use.

4.6 Pesticides & Fertilizers - Quiz

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  • 2. 

    Which of the following best explain why spraying pests with large amounts of pesticides becomes ineffective over time?

    • Pests learn to fight off the effects of pesticide.

    • Pests learn to avoid plants with pesticide on them.

    • Pests with a natural resistance to the pesticide survive and reproduce, producing more resistant pests in the next generation.

    • The chemicals in pesticides lose their effectiveness after they leave the pesticide factory.

    Correct Answer
    A. Pests with a natural resistance to the pesticide survive and reproduce, producing more resistant pests in the next generation.
    Explanation
    Spraying pests with large amounts of pesticides becomes ineffective over time because pests with a natural resistance to the pesticide are able to survive and reproduce. This leads to the production of more resistant pests in the next generation, making the pesticide less effective in controlling the pest population.

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  • 3. 
    Farmers use pesticides because they - ProProfs

    Farmers use pesticides because they

    • Add nutrients, like nitrogen and phosphorus, to the soil.

    • Make crops resistant to harmful bugs.

    • Provide a rich water supply to the crops.

    • Kill unwanted organisms that destroy crops.

    Correct Answer
    A. Kill unwanted organisms that destroy crops.
    Explanation
    Farmers use pesticides to kill unwanted organisms that destroy crops. Pesticides are chemicals designed to eliminate pests such as insects, weeds, and fungi that can cause significant damage to crops. By using pesticides, farmers can protect their crops from infestations and diseases, ensuring a higher yield and better quality produce. Pesticides target specific pests while minimizing harm to beneficial organisms and the environment. They are an essential tool in modern agriculture to maintain crop health and food production.

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  • 4. 

    Which of the following is a sustainable alternative to chemical fertilizers?

    • Compost

    • Biological pest control

    • Monoculture

    • Pulling weeds by hand

    Correct Answer
    A. Compost
    Explanation
    Compost is a sustainable alternative to chemical fertilizers because it is made from organic waste materials, such as food scraps and yard trimmings, that are decomposed to create a nutrient-rich soil amendment. This process not only helps to reduce waste going to landfills but also improves soil health and fertility naturally, without the use of synthetic chemicals. Compost provides essential nutrients to plants, enhances soil structure, and promotes beneficial microbial activity, making it an environmentally friendly and sustainable option for fertilizing crops and gardens.

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  • 5. 

    Which of the following statements about fertilizers is NOT true?

    • The use of chemical fertilizers has increased soil fertility and increased crop yields.

    • Compost is a type of natural fertilizer made from decamped organic waste.

    • The use of fertilizer builds up resistance in harmful pests.

    • Using too much fertilizer can pollute waterways and lead to algae-blooms.

    Correct Answer
    A. The use of fertilizer builds up resistance in harmful pests.
  • 6. 
    Companion planting--the close planting of different crops to protect each crop from bugs--is a sustainable alterative to which industrial farming method? - ProProfs

    Companion planting--the close planting of different crops to protect each crop from bugs--is a sustainable alterative to which industrial farming method?

    • Genetically Modified Crops

    • Chemical pesticides

    • Chemical fertilizers

    • Machinery

    Correct Answer
    A. Chemical pesticides
    Explanation
    Companion planting is a sustainable alternative to using chemical pesticides in industrial farming. By planting different crops close together, they can help protect each other from pests naturally, reducing the need for harmful chemical pesticides. This method promotes biodiversity and ecological balance in the farming system, making it a more environmentally friendly approach compared to relying on chemical pesticides.

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  • 7. 

    Which of the following is NOT a negative consequence of chemical pesticide use?

    • They can pollute waterways.

    • They can threaten human health.

    • They can pollute the air.

    • They can lead to the evolution of pest resistance.

    Correct Answer
    A. They can pollute the air.
    Explanation
    Chemical pesticide use can have several negative consequences, including polluting waterways, threatening human health, and leading to the evolution of pest resistance. However, the statement that chemical pesticide use can pollute the air is incorrect. While some pesticides may have volatile components that can become airborne, the primary mode of pollution is through water and soil contamination. Therefore, the correct answer is that chemical pesticide use does not directly pollute the air.

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 03, 2013
    Quiz Created by
    Rlabov
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