Homework Practice

Printable assignment

Forests: Our Lifeline: Practice 002

Build Understanding

Question 1mcq

Which example shows interdependence in a forest?

A.A stone reflects no food relationship.

B.A plastic bottle grows roots.

C.Birds eat fruits and help disperse seeds.

D.A mirror creates rainfall.

Question 2mcq

Why are pollinating insects important to many forest plants?

A.They stop all reproduction.

B.They make trees non-living.

C.They convert soil into glass.

D.They help transfer pollen for seed formation.

Question 3mcq

A fruit-eating animal disappears from a forest. What may happen to some plants?

A.Their seed dispersal may reduce.

B.Their roots instantly become mirrors.

C.They stop needing sunlight.

D.Their leaves turn into rocks.

Question 4mcq

Which statement best explains forest balance?

A.Only large animals matter in a forest.

B.Plants, animals, decomposers and non-living factors interact.

C.Forests can work without plants.

D.Dead matter has no role in forests.

Question 5mcq

A student says, “Only trees are useful in a forest.” What is the correction?

A.Animals only damage forests.

B.Decomposers remove all nutrients permanently.

C.Many organisms, including animals and decomposers, support forest functioning.

D.Shrubs and herbs are not plants.

Apply and Explain

Question 6mcq

What do decomposers do in a forest?

A.Make sunlight disappear

B.Turn living trees into mirrors

C.Stop all plant growth permanently

D.Break down dead matter and return nutrients to soil

Question 7mcq

Why is leaf litter useful instead of just “waste”?

A.It can decompose into humus and enrich soil.

B.It blocks all soil life forever.

C.It changes into electricity directly.

D.It prevents every seed from growing.

Question 8mcq

Which organisms are most directly responsible for decomposition?

A.Tigers and deer only

B.Bacteria and fungi

C.Clouds and sunlight only

D.Rocks and sand only

Question 9mcq

What might happen if decomposers disappeared from a forest?

A.All plants would grow faster forever.

B.No leaves would ever fall.

C.Dead matter would accumulate and nutrient recycling would slow.

D.Rainfall would stop immediately.

Question 10mcq

A dark crumbly material forms from decayed leaves. What is it called?

A.Sewage

B.Filament

C.Pollen

D.Humus