YEAR 10 BIOLOGY SECOND TERM EXAM

Which of the following is the primary producer in an ecosystem?

• Herbivore

• Carnivore

• Decomposer

• Green plant

What is the role of decomposers in an ecosystem?

• To produce oxygen

• To consume herbivores

• To break down dead organisms

• To regulate the climate

Which of the following is an example of a symbiotic relationship?

• Fungi and tree roots

• Mushroom and mould

• Tapeworm and man

• Lion and antelope

What is the term for the movement of energy through an ecosystem?

• Energy flow

• Nutrient cycle

• Water cycle

• Carbon cycle

What is the role of carnivores in an ecosystem?

• To produce oxygen

• To consume herbivores

• To break down dead organisms

• To regulate the climate

Which of the following is an example of a biotic factor?

• Temperature

• Light

• Water

• Predator

What is the term for the process by which plants convert sunlight into energy?

• Respiration

• Photosynthesis

• Decomposition

• Fermentation

What is the role of herbivores in an ecosystem?

• To produce oxygen

• To consume carnivores

• To break down dead organisms

• To consume plants

What is a food chain?

• A diagram showing the relationships between organisms and their environment

• A series of organisms that eat other organisms for energy

• A web of relationships between organisms that eat and are eaten

• A pyramid showing the energy flow in an ecosystem

Which of the following is an example of a food chain?

• Grass → Mouse → Snake → Hawk

• Grass → Mouse → Snake → Tree

• Grass → Mouse → Snake → Car

• Grass → Mouse → Snake → Sun