WorksheetsCLASS IX IMPROVEMENT IN FOOD RESOURCES
Total questions: 10
Worksheet time: 5mins
Crossing between genetically dissimilar plants to obtain crops having useful characteristics
Genetically modified organisms
Hybridization
Agronomics
None of them
The desirable agronomic characters improved using crop variety programmes are called
Tallness and dwarfness
draught
salinity
cold
Cyperinus and Parthenium are types of
Diseases
Pesticides
weeds
pathogens
Mullets, prawns, mussels are examples of
Fresh-water fishes
Finned fishes
Shell fishes
Marine fishes
What is the process of growing two or more crops in a definite pattern?
Crop rotation
Inter-cropping
Mixed cropping
Organic cropping
Leghorn is related to
Apiculture
Dairy farming
Poultry
Pisciculture
The management and production of fish is called
Pisciculture
Apiculture
Sericulture
Aquaculture
What is the other name for Apis cerana indica?
Indian Buffalo
Indian bee
Indian cow
Indian horse
Nitrogen, phosphorus and potassium are examples of
Micro-nutrients
Macro-nutrients
Fertilizers
Both i and ii
Rohu and catla are types of
Freshwater fish
Marine water fish
Both I and II
None of these
