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

Question 1

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

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 2

What type of animal eats both plants and animals?

Accepted Answer

Omnivore

Answer

Producer

Answer

Consumer

Answer

Decomposer

Question 3

Which of the following shows a food web?

Accepted Answer

Grass -> Rabbit -> Fox -> Eagle -> Bacteria -> Grass

Answer

Grass -> Rabbit -> Fox

Answer

Grass -> Rabbit -> Fox -> Eagle

Answer

Grass -> Rabbit -> Fox -> Eagle -> Bacteria

Question 4

What do decomposers do in a food web?

Accepted Answer

Break down dead organisms

Answer

Make food for other organisms

Answer

Eat plants

Answer

Hunt other animals

Question 5

What describes the connectedness of living things in an ecosystem?

Accepted Answer

Food web

Answer

Biodiversity

Answer

Symbiosis

Answer

Competition

Question 6

Where does all the energy in food chains and webs originally come from?

Accepted Answer

The sun

Answer

Plants

Answer

Animals

Answer

Bacteria

Question 7

In a food chain, who gets their energy from the sun?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 8

What do producers do in a food chain?

Accepted Answer

Make their own food using energy from the sun

Answer

Eat other animals to get energy

Answer

Break down dead plants and animals

Question 9

Which of these is an example of a food web?

Accepted Answer

Grass -> Grasshopper -> Bird -> Fox

Answer

Grass -> Grasshopper -> Bird

Answer

Grass -> Tree

Question 10

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

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Question 11

What is the main difference between an herbivore and a carnivore?

Accepted Answer

Herbivores eat plants, while carnivores eat meat

Answer

Carnivores eat plants, while herbivores eat meat

Answer

Herbivores have sharp teeth, while carnivores have flat teeth

Question 12

What can you tell about an ecosystem with a food web that has many different animals and plants connected?

Accepted Answer

It is probably stable and can handle changes

Answer

It is probably fragile and easily affected by changes

Answer

It has a lot of top predators

Answer

It has very few producers

Question 13

Producers are organisms that make their own food. Which of these is a producer?

Accepted Answer

Grass

Answer

Lion

Answer

Fox

Answer

Mushroom

Question 14

A food chain shows the feeding relationships between organisms. Which of the following food chains is correct?

Accepted Answer

Grass → Rabbit → Fox → Lion

Answer

Grass → Fox → Rabbit → Lion

Answer

Lion → Fox → Rabbit → Grass

Answer

Rabbit → Grass → Fox → Lion

Question 15

Decomposers are organisms that break down organic matter. Which of these is a decomposer?

Accepted Answer

Bacteria

Answer

Algae

Answer

Spider

Answer

Deer

Question 16

As energy moves up a food chain, some of it is lost. What happens to the energy as it moves up a food chain?

Accepted Answer

It decreases

Answer

It increases

Answer

It remains the same

Answer

It changes form

Question 17

In a food chain, which of the following is NOT a role played by an organism?

Accepted Answer

Transformer

Answer

Producer

Answer

Consumer

Question 18

Which organism in a food chain uses sunlight to create its own food?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Question 19

Which of the following is an example of a plant-eating animal?

Accepted Answer

Deer

Answer

Lion

Answer

Eagle

Question 20

What is the order in which energy moves through a food chain?

Accepted Answer

Producer → Consumer → Decomposer

Answer

Decomposer → Consumer → Producer

Answer

Consumer → Producer → Decomposer

Question 21

Which process breaks down dead plants and animals and returns nutrients to the soil?

Accepted Answer

Decomposition

Answer

Photosynthesis

Answer

Respiration

Question 22

What is the name for a diagram that shows the feeding relationships of organisms in an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Nutrient cycle

Question 23

What is the role of bacteria in a food web?

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Question 24

What type of diagram shows the interconnected feeding relationships of multiple food chains in an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Nutrient cycle

Question 25

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

Accepted Answer

Grass

Answer

Lion

Answer

Tiger

Answer

Fox

Question 26

Which of the following is NOT an organism that eats other organisms for food?

Accepted Answer

Grass

Answer

Rabbit

Answer

Lion

Answer

Snake

Question 27

What do decomposers do in a food web?

Accepted Answer

They break down dead plants and animals

Answer

They produce food

Answer

They eat other organisms

Answer

They provide shelter for other organisms

Question 28

Which level in a food chain has the greatest amount of energy available?

Accepted Answer

Producers

Answer

Primary consumers

Answer

Secondary consumers

Answer

Decomposers

Question 29

Which of these is an example of a food web?

Accepted Answer

Grass → Rabbit → Snake → Hawk

Answer

Grass → Rabbit → Fox

Answer

Grass → Cow → Lion

Answer

Fox → Rabbit

Question 30

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

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It is transferred to other food chains

Question 31

In the food chain Grass → Rabbit → Fox → Hawk, which animal is at the top?

Accepted Answer

Hawk

Answer

Grass

Answer

Rabbit

Answer

Fox

Question 32

If the population of rabbits in the food chain mentioned above decreases, what is likely to happen to the population of foxes?

Accepted Answer

It will decrease

Answer

It will increase

Answer

It will stay the same

Answer

It is impossible to tell

Question 33

In a food chain, what is the correct sequence of energy flow?

Accepted Answer

Producer → Consumer → Decomposer

Answer

Decomposer → Consumer → Producer

Answer

Consumer → Producer → Decomposer

Answer

Producer → Decomposer → Consumer

Question 34

In a food chain, which organism is responsible for making its own food from sunlight?

Accepted Answer

Plant

Answer

Fox

Answer

Snake

Answer

Eagle

Question 35

Which of the following describes the role of a consumer in a food chain?

Accepted Answer

Eating other organisms

Answer

Making food from sunlight

Answer

Breaking down dead organisms

Answer

Absorbing nutrients from the soil

Question 36

What is the name for an organism that breaks down dead plants and animals?

Accepted Answer

Decomposer

Answer

Producer

Answer

Consumer

Answer

Herbivore

Question 37

In a food chain, which of the following is NOT a trophic level?

Accepted Answer

Omnivores

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 38

Where does all living things ultimately get their energy from?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Air

Question 39

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

Accepted Answer

Green plant

Answer

Snake

Answer

Tiger

Answer

Mushroom

Question 40

In a food chain, which organism is eaten by the tiger?

Accepted Answer

Deer

Answer

Sun

Answer

Grass

Question 41

Which of the following is NOT an organism that consumes other organisms in a food chain?

Accepted Answer

Decomposer

Answer

Herbivore

Answer

Omnivore

Answer

Carnivore

Question 42

What is the name for a diagram that shows the feeding relationships between organisms in an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Energy pyramid

Answer

Trophic pyramid

Question 43

Why are food chains and food webs important in ecosystems?

Accepted Answer

They maintain ecosystem balance.

Answer

They provide food for all organisms.

Answer

They prevent overpopulation.

Answer

They improve air quality.

Question 44

What happens to the energy in a food chain as it moves from one organism to the next?

Accepted Answer

It is lost as heat.

Answer

It remains the same.

Answer

It is doubled.

Answer

It is increased by 10%.

Question 45

Which of the following organisms breaks down dead plants and animals, returning nutrients to the soil?

Accepted Answer

Mushroom

Answer

Tiger

Answer

Grass

Answer

Deer

Question 46

What is the primary source of energy for all food chains?

Accepted Answer

Sun

Answer

Animals

Answer

Bacteria

Answer

Plants

Question 47

Which of the following is a potential impact of human activities on food chains and food webs?

Accepted Answer

Pollution

Answer

Temperature

Answer

Wind

Answer

Rainfall

Question 48

In a food chain, which level includes organisms that eat both plants and animals?

Accepted Answer

Omnivore

Answer

Secondary consumer

Answer

Producer

Answer

Primary consumer

Question 49

In a food chain, which organism is responsible for producing its own food using sunlight?

Accepted Answer

Green plant

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 50

What is the correct sequence of trophic levels in a food chain?

Accepted Answer

Producer → Primary consumer → Secondary consumer

Answer

Primary consumer → Producer → Secondary consumer

Answer

Secondary consumer → Producer → Primary consumer

Answer

Producer → Secondary consumer → Primary consumer

Question 51

Which organism in a food chain receives the most energy initially?

Accepted Answer

Producer

Answer

Tertiary consumer

Answer

Secondary consumer

Answer

Primary consumer

Question 52

What is the primary function of decomposers in a food web?

Accepted Answer

Breaking down dead organisms and releasing nutrients into the environment

Answer

Producing food for other organisms

Answer

Consuming primary consumers

Question 53

What is the term for a network of interconnected food chains within an ecosystem?

Accepted Answer

Food web

Answer

Trophic cascade

Answer

Habitat community

Question 54

How can human actions potentially affect food chains and food webs?

Accepted Answer

Introducing invasive species or overexploiting resources

Answer

Increasing the rate of photosynthesis in plants

Answer

Enhancing the population size of decomposers

Question 55

What is a primary benefit of studying food chains and food webs?

Accepted Answer

Gaining insights into ecosystem dynamics and vulnerabilities

Answer

Predicting earthquakes

Answer

Calculating the age of fossils

Question 56

What is the process by which energy is transferred from one organism to the next in a food chain?

Accepted Answer

Trophic transfer

Answer

Photosynthesis

Answer

Cellular respiration

Question 57

Which organism in the following list represents a primary consumer?

Accepted Answer

Mouse

Answer

Snake

Answer

Grass

Question 58

What is the primary source of energy for all food chains and food webs on Earth?

Accepted Answer

Sunlight

Answer

Heat from the Earth's core

Answer

Chemical reactions in rocks