Which soil is considered the most fertile?
Clayey soil
Silty soil
Loamy soil
Sandy soil
To improve quality of topsoil what do NOT farmers do
Farmers plough field
Use manure and fertilizers
Cultivate same crops
Irrigate
Rice, wheat and sugarcane grow well in which soil?
Small stones made from broken rock pieces are called
Soil
Gravel
Marble
Rock
What is the main source of water for most of the plants?
Pond
River
Rain
Snow
Why is top soil good for plant growth?
Because it is dark in colour
Because it is the topmost soil
Because it contains humus and mineral particles
Because it is not fertile
Which of the following is the process by which rocks break down to form soil?
Soil erosion
Weathering
Crop rotation
Irrigation
Why do rocks expand?
Due to heat
Due to rain
Due to cold
Due to wind
Which soil is used to make toys and pots?
Which is the soil that is dark in colour and in which plant grows?
Topsoil
Subsoil
Bedrock
