The process by which fertiliser is prepared from dead leaves, twigs, etc., is called
farming
fertilising
manuring
composting
The kind of soil that does not allow the free circulation of air in it is
loamy soil
sandy Soil
humus
clayey soil
Which one of the following helps the growth of healthy crops?
Pests
Insects
Goats
Good seeds
Urea is used as a
seed
manure
fertiliser
pesticide
Garden soil is most suitable for plant growth because
it contains humus which makes the soil fertile
it holds enough water for plants to grow
its loose soil texture contains
all of the above
Which one of the following is NOT a natural resource?
Soil
Plants
Iron
Paper
Water
Forest
Petroleum
Plastic
Growing different types of crops in a piece of land in different season is called
mono-culture
irrigation
crop rotation
Petrol and diesel are made from refining of
rocks
petroleum
herbs
subsoil
Deforestation will cause
1 and 2 only
1 and 3 only
2 and 3 only
1, 2 and 3