1. Which nutrient helps in root development?

Phosphorus
Nitrogen
Carbon
Oxygen

2. Which crop fixes nitrogen?

Legume
Cereal
Oilseed
Fiber crop

3. Unwanted plants in crops are called?

Weeds
Seeds
Saplings
Manure

4. Which farming depends on rainfall?

Rain-fed farming
Irrigated farming
Greenhouse farming
Hydroponics

5. Which structure is used for grain storage?

Silo
Canal
Plough
Seed drill

6. Which crop is grown for sugar?

Sugarcane
Cotton
Jute
Wheat

7. Silos are used for?

Large scale grain storage
Water storage
Fertilizer making
Seed sowing

8. What is irrigation?

Supplying water to crops
Removing weeds
Harvesting
Storing grains

9. Weeds affect crops by?

Competing for nutrients
Providing food
Increasing yield
Protecting soil

10. Which machine is used for threshing?

Threshing machine
Seed drill
Plough
Hoe