Pesticites And Fertilisers Flashcards
(32 cards)
What are pesticides?
Substances used to kill or control pests, including insects, weeds, fungi, and rodents.
True or False: Fertilisers are only used for increasing crop yields.
False: Fertilisers also improve soil health and nutrient content.
Fill in the blank: The main types of pesticides include ______, herbicides, and fungicides.
insecticides
What is the primary purpose of herbicides?
To control or eliminate unwanted plants or weeds.
Multiple Choice: Which of the following is a common type of fertiliser? A) Nitrogen B) Carbon C) Oxygen
A) Nitrogen
What are the two main categories of fertilisers?
Organic and inorganic fertilisers.
True or False: Organic fertilisers are synthetically produced.
False: Organic fertilisers are derived from natural sources.
Fill in the blank: The process of applying fertilisers to crops is called ______.
fertilisation
What is the role of nitrogen in fertilisers?
Nitrogen promotes leafy growth and green color in plants.
Multiple Choice: What is a potential negative effect of using pesticides? A) Increased crop yield B) Environmental contamination C) Soil enrichment
B) Environmental contamination
What is integrated pest management (IPM)?
A sustainable approach to managing pests by combining biological, cultural, physical, and chemical tools.
True or False: All pesticides are harmful to humans.
False: Some pesticides can be safe when used according to guidelines.
Fill in the blank: The three primary nutrients in fertilisers are nitrogen, phosphorus, and ______.
potassium
What is the impact of overusing fertilisers?
It can lead to nutrient runoff, water pollution, and soil degradation.
Multiple Choice: Which of the following is a natural source of fertiliser? A) Urea B) Compost C) Glyphosate
B) Compost
What is a fungicide used for?
To control fungal diseases affecting plants.
True or False: Pesticides can target specific pests without harming beneficial organisms.
True: Some pesticides are designed to be selective.
Fill in the blank: The phenomenon where pests become resistant to pesticides is known as ______.
pesticide resistance
What is the function of phosphorus in fertilisers?
Phosphorus promotes root development and flowering.
Multiple Choice: Which of the following is NOT a type of pesticide? A) Insecticide B) Herbicide C) Fertiliser
C) Fertiliser
How do pesticides enter the environment?
Through spray drift, runoff, and leaching into soil and water.
True or False: Biopesticides are derived from natural materials.
True: Biopesticides are made from natural substances.
Fill in the blank: The process of applying herbicides to control weeds is known as ______.
herbicide application
What is the main advantage of using slow-release fertilisers?
They provide a steady supply of nutrients over time, reducing the risk of leaching.
