- A) To increase soil fertility
- B) To control pests and diseases
- C) To optimize yield
- D) All of the above
Answer: D) All of the above
2. Which of the following is a macronutrient required for plant growth?
- A) Iron
- B) Zinc
- C) Nitrogen
- D) Manganese
Answer: C) Nitrogen
3. What is the term used to describe the practice of growing different crops in the same area in different seasons?
- A) Intercropping
- B) Crop rotation
- C) Monoculture
- D) Agroforestry
Answer: B) Crop rotation
4. Which soil type has the best drainage and is best suited for crop production?
- A) Clay
- B) Sandy
- C) Silt
- D) Loamy
Answer: D) Loamy
5. Which pesticide is used to control insects?
- A) Herbicide
- B) Fungicide
- C) Insecticide
- D) Rodenticide
Answer: C) Insecticide
6. What practice helps maintain biodiversity in agricultural systems?
- A) Monoculture
- B) Organic farming
- C) Use of synthetic fertilizers
- D) Soil depletion
Answer: B) Organic farming
7. What does the term "agroecology" refer to?
- A) Usage of chemical fertilizers
- B) Ecosystem management in agriculture
- C) Urban agriculture only
- D) Soil erosion control
Answer: B) Ecosystem management in agriculture
8. Which of the following is a common legume used in agriculture for nitrogen fixation?
- A) Wheat
- B) Corn
- C) Soybean
- D) Barley
Answer: C) Soybean
9. In what year was the Green Revolution initiated?
- A) 1940
- B) 1960
- C) 1980
- D) 2000
Answer: B) 1960
10. What is the primary target of integrated pest management (IPM)?
- A) Complete elimination of pests
- B) Minimizing pest damage while reducing environmental impact
- C) Use of only organic pesticides
- D) Rotating crops annually
Answer: B) Minimizing pest damage while reducing environmental impact