- Which method involves crossing genetically different plants to improve crop yield?
- Answer: Hybridization
- Explanation: Hybridization is a technique used to improve crop varieties by crossing plants with desirable traits.
- Which term refers to crops grown for feeding livestock?
- Answer: Fodder
- Explanation: Fodder crops like berseem, oats, and sudan grass are grown specifically for feeding animals.
- What do cereals like wheat, rice, and maize provide in our diet?
- Answer: Carbohydrates
- Explanation: Cereals are rich in carbohydrates and serve as the primary source of energy in our diet.
- What is the main goal of crop variety improvement?
- Answer: Yield
- Explanation: Crop variety improvement aims to increase yield, ensuring better productivity per acre.
- Which factor influences the growth and flowering of plants based on sunlight duration?
- Answer: Photoperiod
- Explanation: The photoperiod (duration of sunlight) affects the growth and flowering cycles of plants.
- What type of resistance is developed in crops to withstand pests and diseases?
- Answer: Biotic
- Explanation: Biotic resistance helps protect crops against insects, fungi, and other harmful organisms.
- What type of resistance is developed in crops to tolerate drought and extreme temperatures?
- Answer: Abiotic
- Explanation: Abiotic resistance enables crops to survive in conditions like drought, high salinity, and extreme temperatures.
- Which agricultural technique involves planting different crops in the same field in a defined pattern?
- Answer: Intercropping
- Explanation: Intercropping helps maximize land use and prevents the spread of pests and diseases.
- Which practice involves growing different crops in a planned sequence to maintain soil fertility?
- Answer: Crop rotation
- Explanation: Crop rotation improves soil fertility and prevents the depletion of specific nutrients.
- What is a farming system that integrates crops with livestock, poultry, and fisheries called?
- Answer: Mixed farming
- Explanation: Mixed farming combines crop cultivation with livestock, poultry, or fisheries for a sustainable agricultural approach
