Food Chains and Webs: Interactive Learning Quizzes for Year 6 Science

Question 1

In a food chain, energy is transferred from one organism to another in which specific order?

Accepted Answer

Producer -> Primary consumer -> Secondary consumer -> Tertiary consumer

Answer

Tertiary consumer -> Secondary consumer -> Primary consumer -> Producer

Answer

Primary consumer -> Producer -> Secondary consumer -> Tertiary consumer

Answer

Producer -> Tertiary consumer -> Secondary consumer -> Primary consumer

Question 2

What is a keystone species?

Accepted Answer

A species with a significant impact on its ecosystem relative to its abundance

Answer

A species found at the top of a food chain

Answer

A species only found in a certain habitat

Answer

A species unaffected by other species

Question 3

In a food chain, which organism is the producer?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Eagle

Question 4

In a food chain, who makes their own food using energy from sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 5

What is the main source of energy for living things in most food chains?

Accepted Answer

The sun

Answer

The moon

Answer

Water

Answer

Fossil fuels

Question 6

What do we call an animal that eats both plants and other animals?

Accepted Answer

Omnivore

Answer

Herbivore

Answer

Carnivore

Answer

Decomposer

Question 7

Who is at the very top of a food chain?

Accepted Answer

Apex predators

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 8

In a food chain, which organism decomposes dead plants and animals, returning nutrients to the ecosystem?

Accepted Answer

Bacteria

Answer

Grass

Answer

Squirrel

Question 9

In a food chain, what's the main job of producers?

Accepted Answer

Make energy for all other living things

Answer

Break down dead plants and animals

Answer

Eat other living things

Question 10

In a food chain, what is the primary function of producers?

Accepted Answer

Produce their own food through photosynthesis or chemosynthesis

Answer

Provide energy to other organisms

Answer

Decompose dead organisms and release nutrients into the soil

Answer

Consume other organisms

Question 11

In a food chain, which organism is the first to capture energy from the sun?

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Answer

Predator

Question 12

What is the primary source of energy for all living things in a food chain?

Accepted Answer

Sunlight

Answer

Chemical energy in food

Answer

Heat from the Earth

Answer

Wind energy

Question 13

What happens to the energy as it moves up a food chain?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It becomes negative

Question 14

What is the main role of decomposers in food chains and webs?

Accepted Answer

To break down dead organisms and recycle nutrients

Answer

To produce food for other organisms

Answer

To consume primary consumers

Answer

To regulate the number of top predators

Question 15

The main way that energy flows through a food chain is:

Accepted Answer

From the sun through photosynthesis

Answer

Through the air

Answer

Through the soil

Answer

Through the water

Question 16

The main difference between a food chain and a food web is that:

Accepted Answer

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

Answer

A food chain focuses on one organism, while a food web includes multiple organisms.

Answer

A food chain is found in aquatic ecosystems, while a food web is found in terrestrial ecosystems.

Answer

There is no difference between a food chain and a food web.

Question 17

The type of organism responsible for breaking down dead organisms and returning nutrients to the environment are called:

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Answer

Predators

Question 18

In a food web, a secondary consumer eats:

Accepted Answer

Primary consumers

Answer

Plants

Answer

Top consumers

Answer

Decomposers

Question 19

Which of the following is a biotic factor that can affect food chains?

Accepted Answer

Predation

Answer

Temperature

Answer

Rainfall

Answer

Sunlight

Question 20

How can human actions, like chopping down forests and bringing new plants and animals into an area, impact the balance of food chains and webs?

Accepted Answer

Human actions can make food chains and webs less stable.

Answer

Human actions don't affect food chains or webs.

Answer

Human actions can make food chains and webs more stable.

Answer

Human actions only affect the top predators in food chains and webs.

Question 21

Which of the following organisms is NOT a producer in a food chain?

Accepted Answer

Rabbit

Answer

Grass

Answer

Tree

Answer

Algae

Question 22

In a food chain, energy flows from:

Accepted Answer

Producers to consumers

Answer

Consumers to producers

Answer

Both producers and consumers

Answer

Neither producers nor consumers

Question 23

Which of the following best describes a food web?

Accepted Answer

A complex network of interconnected food chains

Answer

A straight line of organisms that feed on each other

Answer

A single organism that consumes many different types of food

Answer

A group of organisms that live in the same area

Question 24

What happens to the energy that is not used by the next level in a food chain?

Accepted Answer

It is lost as heat

Answer

It is stored in the organisms' bodies

Answer

It is released into the atmosphere

Answer

It is converted into new food

Question 25

Which of the following organisms is a primary consumer?

Accepted Answer

Grasshopper

Answer

Frog

Answer

Snake

Answer

Hawk

Question 26

What is the job of decomposers in a food chain?

Accepted Answer

To break down dead organisms

Answer

To eat plant material

Answer

To hunt and kill prey

Answer

To produce oxygen

Question 27

Which of the following is an example of a helpful relationship in a food web?

Accepted Answer

A bee helping a flower make seeds

Answer

A lion eating a zebra

Answer

A tick feeding on a deer

Answer

A fungus growing on a tree

Question 28

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

Accepted Answer

Producer

Answer

Consumer

Answer

Predator

Answer

Decomposer

Question 29

Which term describes an animal that only eats plants?

Accepted Answer

Herbivore

Answer

Carnivore

Answer

Omnivore

Answer

Decomposer

Question 30

Which statement about energy flow in a food chain is correct?

Accepted Answer

Energy is lost as it moves up the chain.

Answer

Energy is gained as it moves up the chain.

Answer

Energy remains the same throughout the chain.

Answer

Energy can be added to or removed from the chain.

Question 31

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

Accepted Answer

To break down dead organisms.

Answer

To produce food for other organisms.

Answer

To hunt and kill other organisms.

Answer

To create new organisms.

Question 32

Which of the following is an example of a tertiary consumer?

Accepted Answer

Eagle

Answer

Grass

Answer

Rabbit

Answer

Fox

Question 33

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

Accepted Answer

A food chain shows only one path, while a food web shows many.

Answer

A food web shows only one path, while a food chain shows many.

Answer

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

Answer

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

Question 34

In a food chain, which organisms capture energy from the sun and convert it into usable food for other organisms?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 35

What is the term for a diagram that shows the feeding relationships and energy flow between organisms in a community?

Accepted Answer

Food web

Answer

Food chain

Answer

Food pyramid

Question 36

What is the process by which microorganisms like bacteria and fungi break down dead organisms and recycle nutrients back into the soil?

Accepted Answer

Decomposition

Answer

Photosynthesis

Answer

Respiration

Answer

Excretion

Question 37

Food chains and webs are always simple and straightforward, with no feedback loops or interactions between different levels.

Accepted Answer

False

Answer

True

Question 38

Which of the following is NOT a way to help protect and conserve food chains and webs?

Accepted Answer

Encouraging habitat destruction

Answer

Protecting habitats

Answer

Reducing pollution

Answer

Promoting biodiversity

Question 39

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

Accepted Answer

Grass

Answer

Mouse

Answer

Snake

Answer

Hawk

Question 40

What do we call a network of interconnected food chains?

Accepted Answer

Food web

Answer

Ecosystem

Answer

Trophic pyramid

Answer

Energy flow diagram

Question 41

As energy moves up a food chain, what happens to the amount of energy available?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It is recycled

Question 42

What do decomposers do in a food web?

Accepted Answer

Break down dead organisms

Answer

Make food for other organisms

Answer

Eat primary producers

Answer

Control the population of top predators

Question 43

If all the plants in a food chain were to disappear, what would likely happen?

Accepted Answer

The entire food chain would collapse

Answer

Only the herbivores would be affected

Answer

The top predators would become extinct first

Answer

Nothing would happen

Question 44

What is a Producer's role in a food chain?

Accepted Answer

Making their own food using sunlight or other non-living sources

Answer

Eating other living things

Answer

Breaking down dead plants and animals

Answer

Keeping the population of other organisms in check