Question 1

Which of the following is an example of a predator-prey relationship?

Accepted Answer

A wolf hunting a rabbit

Answer

A bee pollinating a flower

Answer

A squirrel gathering nuts for the winter

Answer

A bird building a nest in a tree

Question 2

What is the main source of energy for most ecosystems?

Accepted Answer

The Sun

Answer

Fossil fuels

Answer

Volcanic activity

Answer

Rainwater

Question 3

Which of the following is an example of a decomposer?

Accepted Answer

A fungus breaking down dead leaves

Answer

A bird eating seeds from a plant

Answer

A squirrel burying nuts in the ground

Answer

A bear catching fish in a river

Question 4

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

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Fermentation

Answer

Transpiration

Question 5

What is an example of a biotic factor in an ecosystem?

Accepted Answer

A tree

Answer

Water

Answer

Rock

Answer

Sunlight

Question 6

What is the primary source of carbon dioxide in the atmosphere?

Accepted Answer

Burning fossil fuels

Answer

Decomposition of organic matter

Answer

Photosynthesis in plants

Answer

Volcanic eruptions

Question 7

What is the role of producers in an ecosystem?

Accepted Answer

To convert sunlight into energy through photosynthesis

Answer

To break down dead organic matter

Answer

To consume other organisms for food

Answer

To produce oxygen through respiration

Question 8

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

Accepted Answer

Grass -> Grasshopper -> Frog -> Snake

Answer

Seed -> Plant -> Fruit -> Human

Answer

Cloud -> Rain -> River -> Ocean

Answer

Wood -> Fire -> Smoke -> Air

Question 9

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

Accepted Answer

Grass

Answer

Eagle

Answer

Snake

Answer

Lion

Question 10

What is the main role of a consumer in an ecosystem?

Accepted Answer

To obtain energy by consuming other organisms

Answer

To break down dead organic matter

Answer

To regulate the population of other organisms

Answer

To produce food through photosynthesis

Question 11

Which of the following is NOT a type of consumer in an ecosystem?

Accepted Answer

Tree

Answer

Carnivore

Answer

Omnivore

Answer

Herbivore

Question 12

Which of the following is an example of a tertiary consumer in a food chain?

Accepted Answer

Wolf

Answer

Grasshopper

Answer

Deer

Answer

Rabbit

Question 13

Which of the following is an example of a primary consumer in a food chain?

Accepted Answer

Rabbit

Answer

Snake

Answer

Eagle

Answer

Tree

Question 14

Which type of consumer primarily feeds on plants?

Accepted Answer

Herbivore

Answer

Decomposer

Answer

Carnivore

Answer

Omnivore

Question 15

Which type of consumer feeds on both plants and animals?

Accepted Answer

Omnivore

Answer

Decomposer

Answer

Carnivore

Answer

Herbivore

Question 16

Which type of consumer feeds on other animals?

Accepted Answer

Carnivore

Answer

Herbivore

Answer

Omnivore

Answer

Decomposer

Question 17

Which type of consumer feeds on the remains of dead animals?

Accepted Answer

Scavenger

Answer

Omnivore

Answer

Herbivore

Answer

Carnivore

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