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1Why is soil important for plants?

A It gives them water and nutrients B It makes them grow taller C It protects them from sun D It changes their colour

2Which of the following is a type of soil that holds a lot of water?

A Sandy soil B Clay soil C Rocky soil D Peaty soil

3What is the main purpose of crop rotation?

A To plant the same crop every year B To keep the soil healthy C To make the farm look neat D To grow taller plants

4Which practice helps prevent soil erosion on a farm?

A Ploughing deeply every year B Planting trees and grasses on slopes C Leaving the soil bare D Using only chemical fertilizers

5What is a common way to control pests in a garden without chemicals?

A Spraying water only B Planting pest‑repellent crops like marigold C Covering plants with plastic D Removing all leaves

6Which animal product can be stored by drying to keep it longer?

A Milk B Eggs C Meat D Butter

7In a small school garden, which crop is best suited for a short growing season?

A Maize B Tomato C Radish D Pumpkin

8Which of these helps keep the environment clean while farming?

A Burning crop residues B Using too much fertilizer C Recycling water for irrigation D Clearing all trees

9What is the main benefit of adding compost to soil?

A It makes the soil heavy B It adds nutrients and improves structure C It turns soil into sand D It kills all insects

10Which of the following is an example of a food preservation method taught in Grade 4?

A Freezing B Microwaving C Boiling for a few seconds D Leaving it in the sun