6th Grade · Science · Quiz · shared by Luke Morgan
Access a free 6th Grade Science quiz covering Nature's Recyclers: Decomposition, exploring how fungi break down wood and recycle forest nutrients.
Multiple Choice
1. _____ According to the passage, what specific role do white-rot fungi play in the forest?
A. They provide shade for new plants to grow
B. They recycle nutrients back into the soil
C. They protect tall trees from the wind
D. They prevent oxygen from reaching the forest floor
2. _____ Which two materials are used to make a tree trunk sturdy and strong?
A. Fungi and hyphae
B. Enzymes and proteins
C. Cellulose and lignin
D. Oxygen and carbon
3. _____ Why does the passage compare lignin to glue?
A. Because it is sticky to the touch
B. Because it attracts insects to the tree
C. Because it provides strength and holds the tree together
D. Because it is easily dissolved by rainwater
4. _____ What are the powerful chemical tools produced by white-rot fungi called?
A. Hyphae
B. Lignin
C. Oxidation
D. Enzymes
5. _____ Where do the chemical proteins used for decomposition come from?
A. The fungal threads, or hyphae
B. The leaves of tall trees
C. The stomachs of forest insects
D. The roots of new plants
6. _____ What chemical reaction do the fungi use to pull wood fibers apart?
A. Photosynthesis
B. Oxidation
C. Digestion
D. Fossilization
7. _____ What must be present in the air for the fungi's chemical reaction to work?
A. Nitrogen
B. Carbon dioxide
C. Oxygen
D. Water vapor
8. _____ Why does the wood turn a white color during this process?
A. The wood is being bleached by the sun
B. The dark lignin is disappearing, leaving pale cellulose
C. The fungi are painting the wood to mark their territory
D. The wood is freezing due to the damp ground
9. _____ Which organisms benefit from the soft cellulose left behind by the fungi?
A. Tall trees
B. Bacteria only
C. Small forest creatures like insects
D. Large predators
10. _____ What would happen to the forest without the work of white-rot fungi?