class VII Quiz #1

1. Aquifers are losing their capacity to store water because of:

• Earthquakes

• deforestation

• windstorms

Soil contamination occurs when industrial waste and pesticides are introduced in the:

• Soil

• water

• air

1. India has more than one billion:

• Cities

• rivers

• people

1. Water pollution leads to_____________________ disease.

• Water borne

• cancer

• asthama

1. Tropical rainforests are also called tropical:

• Dry forests

• moist forests

• high forests

1. Which ecosystem has both land and marine wildlife?

• Temperate dry forests

• tropical swamp forests

• alpine scrubs

1. A factor that affects ocean life.

• Wind

• sunlight

• moonlight

1. Ocean life is classified into:

• Three

• two

• four

1. Whales are:

• Plankton

• nekton

• benthos

1. Organisms that live on the ocean floor are called:

• Plankton

• nekton

• benthos