G4_SS_Ch6_Soil and Mineral Resources of India

The breakdown of ______ leads to the formation of soil.

• a) sand

• b) rocks

• c) minerals

• d) ores

___________ is one of the oldest rocks of the world.

• a) Marble

• b) Granite

• c) Zircon

• d) Pumice

Which soil is formed by the soil and small pieces of rocks being carried by the rivers originating in the Himalayas?

• a) Black soil

• b) Red soil

• c) Alluvial soil

• d) Laterite soil

Which mineral is used to make electrical wires?

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_________ is used in making cement.

• a) Petroleum

• b) Coal

• c) Aluminium

• d) Limestone

Name the layers of the soil in order from top to bottom.

• a) Bedrock- Weathered rock- Subsoil- Topsoil- Organic matter

• b) Weathered rock-Bedrock- Subsoil- Topsoil- Organic matter

• c) Organic matter- Topsoil- Subsoil- Weathered rock- Bedrock

• d) Weathered rock-Bedrock- Topsoil- Organic matter-Subsoil

What is soil erosion?.

• a) Process by which the middle layer of soil is removed.

• b) Process by which the top layer of soil is removed.

• c) Process by which the last layer of soil is removed.

• d) Process by which the top layer of soil is restored.

What do plants need to grow?

• a) Sunlight, water, soil, carbon-dioxide

• b) Sunlight, water, soil, oxygen

• c) Sunlight, wind, soil, oxygen

• d) Sunlight, water, wind, carbon-dioxide

I am very deep without any organic matter, but full of minerals. Who am I?

• a) Subsoil

• b) Topsoil

• c) Bedrock

• d) Weathered rock

Identify the object in the image and select the right option?

• a) Metal

• b) Ore

• c) Mineral

• d) Rock