Food Chains and Food Webs: Interactive Learning Quizzes for Year 5 Science

Question 1

What is the main difference between a food chain and a food web?

Accepted Answer

A food chain shows the relationships between organisms that eat each other, while a food web shows the relationships between all organisms in an ecosystem.

Answer

A food chain shows the possible paths of energy flow, while a food web shows the number of organisms in an ecosystem.

Answer

A food chain shows the lifespan of different organisms, while a food web shows the amount of food available.

Answer

A food chain shows the role of decomposers in an ecosystem, while a food web does not.

Question 2

Which of these organisms is a consumer?

Accepted Answer

Deer

Answer

Grass

Answer

Mushroom

Answer

Sunlight

Question 3

What is the role of decomposers in a food chain?

Accepted Answer

To break down dead organisms

Answer

To produce food

Answer

To eat other organisms

Answer

To absorb sunlight

Question 4

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

Accepted Answer

Grass -> Rabbit -> Fox

Answer

Grass -> Rabbit -> Fox -> Eagle

Answer

Grass -> Rabbit -> Fox -> Eagle -> Owl

Answer

Grass -> Rabbit -> Fox -> Grass

Question 5

What is the term for an organism that eats both plants and animals?

Accepted Answer

Omnivore

Answer

Producer

Answer

Consumer

Answer

Herbivore

Question 6

In a healthy ecosystem, the populations of different species:

Accepted Answer

Remain relatively stable over time

Answer

Fluctuate randomly

Answer

Decline gradually

Answer

Increase indefinitely

Question 7

Which of the following is not a producer in a food chain?

Accepted Answer

Rabbit

Answer

Grass

Answer

Tree

Answer

Algae

Question 8

Which of the following organisms breaks down dead plants and animals into nutrients that can be used by other organisms?

Accepted Answer

Mushroom

Answer

Grass

Answer

Rabbit

Answer

Fox

Question 9

What is the main difference between a food chain and a food web?

Accepted Answer

A food chain is linear, while a food web is interconnected.

Answer

A food web is linear, while a food chain is interconnected.

Answer

Food chains and food webs are the same thing.

Answer

Food chains only include producers, while food webs include all organisms.

Question 10

What is the primary role of consumers in a food web?

Accepted Answer

To consume other organisms.

Answer

To produce food for other organisms.

Answer

To decompose organic matter.

Answer

To regulate populations of other organisms.

Question 11

Which of the following organisms is a producer in a food chain?

Accepted Answer

Grass

Answer

Lion

Answer

Snake

Answer

Bacteria

Question 12

What is the primary function of a consumer in a food chain?

Accepted Answer

To eat other organisms

Answer

To break down organic matter

Answer

To produce their own food

Answer

To recycle nutrients

Question 13

How does energy flow through a food chain?

Accepted Answer

From producers to consumers to decomposers

Answer

From decomposers to producers to consumers

Answer

From consumers to producers to decomposers

Answer

Energy does not flow through a food chain

Question 14

What is the main role of decomposers in a food chain?

Accepted Answer

To recycle nutrients back into the environment

Answer

To break down dead organisms

Answer

To produce food for other organisms

Answer

To consume living organisms

Question 15

What is the term used to describe the position of an organism within a food chain?

Accepted Answer

Trophic level

Answer

Energy level

Answer

Ecological niche

Answer

Habitat

Question 16

Which of the following animals is a herbivore?

Accepted Answer

Zebra

Answer

Lion

Answer

Snake

Answer

Owl

Question 17

How does the number of trophic levels in a food chain affect the amount of energy available to organisms at higher trophic levels?

Accepted Answer

The more trophic levels, the less energy is available

Answer

The more trophic levels, the more energy is available

Answer

The number of trophic levels does not affect energy availability

Answer

Energy availability is not related to trophic levels

Question 18

Which organism in a food chain makes its own food using sunlight?

Accepted Answer

Grass

Answer

Lion

Answer

Bacteria

Answer

Rabbit

Question 19

Who is usually at the top of a food chain?

Accepted Answer

Apex predator

Answer

Producer

Answer

Primary consumer

Answer

Secondary consumer

Question 20

Where does the energy for all living things in a food chain come from?

Accepted Answer

Sunlight

Answer

Water

Answer

Fossil fuels

Answer

Wind

Question 21

Which of these shows a food web?

Accepted Answer

Grass -> Rabbit -> Fox -> Eagle -> Worms

Answer

Grass -> Rabbit -> Fox

Answer

Grass -> Rabbit -> Fox -> Eagle

Answer

Grass -> Water -> Fish

Question 22

When energy moves from one level of a food chain to the next, what happens to it?

Accepted Answer

It is mostly lost as heat

Answer

It increases by 10%

Answer

It stays the same

Answer

It decreases by 90%

Question 23

What happens to the size of a population when resources become scarce?

Accepted Answer

The population will likely decrease

Answer

The population will likely increase

Answer

The population will stay the same

Answer

It is impossible to predict

Question 24

Which organism in a food chain creates its own food?

Accepted Answer

Grass

Answer

Snake

Answer

Hawk

Answer

Mushroom

Question 25

In a food chain, which group of organisms produces its own food?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Predators

Question 26

In a food chain, which level has the largest number of organisms?

Accepted Answer

Producers

Answer

Primary consumers

Answer

Secondary consumers

Answer

Tertiary consumers

Question 27

Which process involves organisms breaking down dead plants and animals?

Accepted Answer

Decomposition

Answer

Photosynthesis

Answer

Respiration

Answer

Predation

Question 28

Which of these is NOT an example of a food web?

Accepted Answer

Mountain

Answer

Forest

Answer

Grassland

Answer

Ocean

Question 29

What is the main source of energy for all living things?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Answer

Soil

Question 30

Which of these animals is a plant-eater?

Accepted Answer

Rabbit

Answer

Lion

Answer

Shark

Answer

Tiger

Question 31

What process do plants use to create their own food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Predation

Question 32

Which type of relationship between organisms is mutually beneficial?

Accepted Answer

Mutualism

Answer

Predation

Answer

Competition

Answer

Parasitism

Question 33

How can human activities affect food chains and food webs?

Accepted Answer

Disrupt them and reduce diversity

Answer

Create new ones and increase diversity

Answer

Have no effect on them

Answer

Always benefit them

Question 34

Who makes their own food from sunlight in a food chain?

Accepted Answer

Grass

Answer

Lion

Answer

Mushroom

Answer

Snake

Question 35

What does the arrow represent when we draw a food chain?

Accepted Answer

The direction of energy flow

Answer

A link between organisms

Answer

The level of each organism

Answer

How strong an organism is

Question 36

What is the most important job of decomposers in a food chain?

Accepted Answer

Bring nutrients back to the environment

Answer

Feed the producers

Answer

Keep the consumer populations in check

Answer

Make new living things

Question 37

Who is at the top of a food chain?

Accepted Answer

Top Predators

Answer

Producers

Answer

Primary Consumers

Answer

Secondary Consumers

Question 38

In a food chain or food web, which group of organisms creates its own food using sunlight?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 39

In a food chain, if the number of grasshoppers decreases, what will most likely happen to the number of frogs?

Accepted Answer

The number of frogs will decrease.

Answer

The number of frogs will increase.

Answer

The number of frogs will stay the same.

Answer

The number of frogs will change unpredictably.

Question 40

What is the ecological niche of a lion in a food chain?

Accepted Answer

Its position in the food chain and its interactions with other organisms

Answer

Its diet and habitat

Answer

Its role as a predator and its environment

Answer

Its physical characteristics

Question 41

Who or what makes their own food using sunlight?

Accepted Answer

Plant

Answer

Snake

Answer

Fox

Answer

Fungus

Question 42

In a food chain, what do we call the animal that eats the plant?

Accepted Answer

Primary consumer

Answer

Apex predator

Answer

Secondary consumer

Answer

Tertiary consumer

Question 43

Which animal is an example of a secondary consumer?

Accepted Answer

Snake

Answer

Rabbit

Answer

Grass

Answer

Hawk

Question 44

What is the name for living things that break down dead plants and animals?

Accepted Answer

Decomposers

Answer

Scavengers

Answer

Producers

Answer

Consumers

Question 45

What do we call the many food chains that are connected in an ecosystem?

Accepted Answer

Food web

Answer

Energy pyramid

Answer

Ecological succession

Answer

Nutrient cycle

Question 46

In a food chain, which organism makes its own food from sunlight?

Accepted Answer

Grass

Answer

Bacteria

Answer

Rabbit

Answer

Fox

Question 47

What is the main job of decomposers in a food chain?

Accepted Answer

To break down dead organisms into nutrients

Answer

To produce food for other organisms

Answer

To consume other organisms

Answer

To regulate the population of organisms

Question 48

Which of the following best describes a food web?

Accepted Answer

A diagram that shows the interconnected feeding relationships between organisms in an ecosystem

Answer

A description of the physical environment of an ecosystem

Answer

A list of all the organisms in an ecosystem

Question 49

Where does the energy in a food chain originally come from?

Accepted Answer

The sun

Answer

Animals

Answer

Plants

Answer

Decomposers

Question 50

Which of the following animals is a herbivore?

Accepted Answer

Rabbit

Answer

Owl

Answer

Fox

Answer

Snake

Question 51

What is the term for an animal that eats both plants and animals?

Accepted Answer

Omnivore

Answer

Carnivore

Answer

Decomposer

Answer

Herbivore

Question 52

Which of the following is NOT a level in a food chain?

Accepted Answer

Quaternary consumer

Answer

Producer

Answer

Primary consumer

Answer

Secondary consumer

Question 53

Why is it important to maintain balance in food chains?

Accepted Answer

To ensure the survival of all organisms in the ecosystem

Answer

To increase the size of the population of one organism

Answer

To decrease the number of predators in the ecosystem