25 Agriculture MCQs with Answers

Test your agriculture knowledge with 25 essential MCQs. Includes answers and keywords for better understanding."

1. Which of the following is not a primary factor affecting crop growth? a) Soil quality b) Climate c) Market demand d) Water availability

Answer: c) Market demand

2. What is the process of removing weeds from the agricultural field called? a) Irrigation b) Cultivation c) Harvesting d) Weeding

Answer: d) Weeding

3. Which of the following is a leguminous crop? a) Wheat b) Rice c) Soybean d) Corn

Answer: c) Soybean

4. Which of the following is an example of a cash crop? a) Rice b) Wheat c) Sugarcane d) Millet

Answer: c) Sugarcane

5. Which nutrient is primarily responsible for the green color of leaves in plants? a) Nitrogen b) Phosphorus c) Potassium d) Magnesium

Answer: a) Nitrogen

6. What is the practice of rotating different crops in the same field called? a) Crop rotation b) Monoculture c) Intercropping d) Polyculture

Answer: a) Crop rotation

7. Which of the following farming methods utilizes minimal or no synthetic fertilizers and pesticides? a) Organic farming b) Conventional farming c) Hydroponic farming d) Aquaponic farming

Answer: a) Organic farming

8. Which agricultural practice involves raising aquatic organisms such as fish and shrimp? a) Aquaculture b) Horticulture c) Sericulture d) Floriculture

Answer: a) Aquaculture

9. Which of the following is a method of conserving water in agriculture? a) Drip irrigation b) Over-irrigation c) Flood irrigation d) Sprinkler irrigation

Answer: a) Drip irrigation

10. Which of the following is a greenhouse gas emitted from agricultural activities? a) Oxygen b) Carbon dioxide c) Nitrogen d) Helium

Answer: b) Carbon dioxide

11. Which type of soil has the highest water retention capacity? a) Sandy soil b) Clay soil c) Loamy soil d) Silt soil

Answer: b) Clay soil

12. What is the term for the process of transferring pollen from one flower to another to facilitate fertilization? a) Pollination b) Germination c) Fertilization d) Photosynthesis

Answer: a) Pollination

13. Which of the following is a disease caused by a virus in plants? a) Rust b) Powdery mildew c) Tobacco mosaic d) Anthracnose

Answer: c) Tobacco mosaic

14. Which of the following is a farming practice that involves raising livestock and crops together in a mutually beneficial manner? a) Mixed farming b) Monoculture c) Organic farming d) Aquaculture

Answer: a) Mixed farming

15. Which of the following is an example of a perennial crop? a) Wheat b) Rice c) Apple d) Maize

Answer: c) Apple

16. What is the process of breaking up soil to allow air and water to penetrate called? a) Fertilization b) Aeration c) Mulching d) Compaction

Answer: b) Aeration

17. Which of the following is a method of pest control that involves introducing natural predators of pests into an ecosystem? a) Biological control b) Chemical control c) Mechanical control d) Cultural control

Answer: a) Biological control

18. What is the term for the practice of removing excess water from the soil to improve its suitability for cultivation? a) Irrigation b) Drainage c) Tillage d) Mulching

Answer: b) Drainage

19. Which of the following is an example of a cover crop used for enriching soil fertility? a) Clover b) Barley c) Sorghum d) Rye

Answer: a) Clover

20. What is the process of transferring seedlings from a seedbed to a permanent location in the field called? a) Transplanting b) Direct seeding c) Germination d) Mulching

Answer: a) Transplanting

21. Which of the following is a method of soil conservation that involves planting crops in rows along the natural contours of the land? a) Terracing b) Contour farming c) Strip cropping d) Shelterbelts

Answer: b) Contour farming

22. Which of the following is a measure to prevent soil erosion by wind? a) Terracing b) Cover cropping c) Crop rotation d) Windbreaks

Answer: d) Windbreaks

23. What is the term for the practice of supplying crops with nutrients through water instead of soil? a) Hydroponics b) Aeroponics c) Aquaponics d) Drip irrigation

Answer: a) Hydroponics

24. Which of the following is a type of crop grown primarily for the purpose of feeding livestock? a) Forage crop b) Cash crop c) Staple crop d) Horticultural crop

Answer: a) Forage crop

25. What is the term for the process of protecting plants from frost damage by covering them with materials like straw or plastic? a) Mulching b) Tilling c) Frost protection d) Wrapping

Answer: c) Frost protection