Forests Quiz

Forests are often called the “lungs of the Earth” because they:

• Help animals breathe

• Absorb carbon monoxide

• Release carbon dioxide

• Release oxygen during photosynthesis

Which layer of the forest receives the maximum sunlight?

• Forest floor

• Shrub layer

• Understory

• Canopy

The layer of the forest that has small plants, grasses, and seedlings is called the:

• Canopy

• Shrub layer

• Forest floor

• Emergent layer

Trees with cone-shaped crowns are usually found in:

• Desert forests

• Tropical forests

• Hilly or mountain forests

• Mangrove forests

What is the purpose of a flat and broad crown in trees?

• To trap animals

• To reduce water loss

• To absorb more sunlight

• To store food

Forests help prevent floods by:

• Drying the soil

• Increasing rainfall

• Holding the soil and absorbing rainwater

• Stopping clouds

Which of these is found at the lowest level of a forest?

• Canopy

• Shrub layer

• Understory

• Forest floor

Decomposers like fungi and bacteria play an important role in the forest by:

• Storing food

• Creating rainfall

• Breaking down dead plants and animals

• Pollinating flowers

Which of these best describes the canopy layer?

• Home to soil insects

• A roof of leaves and branches

• Full of aquatic animals

• Has no sunlight

Forests help maintain the water cycle by:

• Blocking rivers

• Letting water leak underground

• Releasing water vapor through transpiration

• Preventing clouds from forming