An organic matter formed by the decomposition of rotten leaves and dead plants and animals is known as:
A. Fertilizers B. Pesticides C. Humus
Sandy soil is____ in colour.
A. Yellow B. White C. Black or brown
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Sandy soil is mostly found in/on:
A. Deserts and beaches
B. Hills and green fields
C. Any of these
Roots of the plants and grasses are present in the:
A. Bedrock B. Subsoil C. Topsoil
Which of the following layer of the soil is loosely packed?
A. Topsoil B. Subsoil C. Bedrock
Most of the fertilizers are made up of:
B. Carbon dioxide
Which of the following can hold both water and air in adequate amounts?
A. Sandy soil B. Loamy soil C. Clayey soil
(1)–C; (2)–C; (3)–A; (4)–C; (5)–A; (6)–C; (7)–B