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WorksheetsSOIL
Total questions: 15
Worksheet time: 17mins
WHICH IS THE TOPMOST LAYER OF EARTH
(a)
WHAT DOES SOIL CONSIST OF
HUMUS
ORGANIC MATTER
DEAD REMAINS OF PLANTS AND ANIMALS
ALL OF THESE
SOIL SCIENTISTS HAVE IDENTIFIED OVER (a) DIFFERENT SOILS IN EUROPE
THE CONTINUOUS PROCESS OF FORMATION OF SOIL IS CALLED
(a)
THE REMAINS OF DEAD PLANTS AND ANIMALS FORM AN ORGANIC MATTER KNOWN AS
TOPSOIL
HUMUS
SUBSOIL
CRUST
THE VERTICAL SECTION OF THE SOIL SHOWING THE LAYERS FROM TOP TO THE BOTTOM IS CALLED (a)
FILL IN THE BLANKS-
HORIZON A- __________________
HORIZON B- __________________
HORIZON C- __________________
HORIZON A- SUBSOIL
HORIZON B- BEDROCK
HORIZON C- TOPSOIL
HORIZON A- TOPSOIL
HORIZON B- SUBSOIL
HORIZON C- BEDROCK
HORIZON A- BEDROCK
HORIZON B- TOPSOIL
HORIZON C- SUBSOIL
HORIZON B CONSISTS OF ______________________
HUMUS AND ORGANIC MATTER
LARGE ROCK PIECES
SMALL QUANTITIES OF ORGANIC MATTER
WHEN THE FERTILE TOPSOIL IS CARRIED AWAY DUE TO WIND AND WATER IT IS CALLED ________________ AND RESULTS IN ______________
SOIL EROSION,REDUCTION IN THE CROP YIELD
SOIL CONSERVATION,GROWTH IN THE CROP YIELD
THE MAXIMUM AMOUNT OF SOIL EROSION IS CAUSED BY (a)
THE PROBLEM OF SOIL EROSION IS EVEN MORE SERIOUS ON ___________ AREAS
HILLY
PLAIN
HOT
COLD
WHAT IS THE FULL FORM OF FAO
(a)
FILL IN THE BLANKS-
STEP FARMING- _____________
SHELTER BELTS - ____________
STEP FARMING- TERRACE FARMING
SHELTER BELTS - WEEDS
STEP FARMING- TERRACE FARMING
SHELTER BELTS - WINDBREAKS
UNWANTED PLANTS THAT GROW IN FIELDS OR PARKS
WEEDS
PLANTS
CONIFEROUS PLANTS
INSECTIVOROUS PLANTS
A WALL MADE UP OF STONES
(a)
