Quiz about Photosynthesis and Energy flow in a Food Chain/Web Quiz

Question 1

What is the primary pigment involved in photosynthesis?

Accepted Answer

Chlorophyll

Answer

Hemoglobin

Answer

Keratin

Answer

Myoglobin

Question 2

Which gas is absorbed during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Methane

Question 3

Which wavelength of light is least effective for photosynthesis?

Accepted Answer

Green

Answer

Blue

Answer

Red

Answer

Violet

Question 4

Which structure in the leaf allows for gas exchange?

Accepted Answer

Stomata

Answer

Phloem

Answer

Cuticle

Answer

Xylem

Question 5

Which molecule is the energy carrier in photosynthesis?

Accepted Answer

ATP

Answer

NADH

Answer

FADH2

Answer

ADP

Question 6

What is the primary source of energy for photosynthesis?

Accepted Answer

Sunlight

Answer

Chemical energy

Answer

Heat

Answer

Electric energy

Question 7

What is the by-product of the photolysis of water in photosynthesis?

Accepted Answer

Glucose

Answer

Carbon dioxide

Question 8

Which organelle is responsible for photosynthesis?

Accepted Answer

Chloroplast

Answer

Mitochondria

Answer

Ribosome

Answer

Golgi apparatus

Question 9

What is the primary source of energy for all ecosystems?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Nutrients

Question 10

What is the first trophic level in a food chain?

Accepted Answer

Producers

Answer

Primary consumers

Answer

Decomposers

Answer

Secondary consumers

Question 11

Which of the following organisms is a primary consumer?

Accepted Answer

Grasshopper

Answer

Snake

Answer

Grass

Answer

Hawk

Question 12

How much energy is transferred from one trophic level to the next?

Accepted Answer

10%

Answer

90%

Answer

50%

Answer

25%

Question 13

What happens to most of the energy in a food chain?

Accepted Answer

It is lost as heat

Answer

It is transferred to decomposers

Answer

It is used for growth

Answer

It is stored in the soil

Question 14

What term describes organisms that make their own food?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Herbivores

Question 15

Which organism is a secondary consumer?

Accepted Answer

Frog

Answer

Rabbit

Answer

Grass

Answer

Algae

Question 16

What is the role of decomposers in a food chain?

Accepted Answer

Recycle nutrients

Answer

Produce energy

Answer

Consume primary producers

Answer

Store sunlight

Question 17

What is the main purpose of the light-dependent reactions?

Accepted Answer

Capture sunlight and convert it to chemical energy

Answer

Produce glucose

Answer

Break down glucose into ATP

Answer

Fix carbon dioxide

Question 18

In a terrestrial food chain, which organism is at the top trophic level?

Accepted Answer

Lion

Answer

Deer

Answer

Grass

Answer

Mushroom

Question 19

What is a food web?

Accepted Answer

Interconnected food chains

Answer

A single food chain

Answer

A web for catching prey

Answer

The energy pyramid

Question 20

What happens if a species is removed from a food web?

Accepted Answer

The entire web may be affected

Answer

Only predators are affected

Answer

Producers will disappear

Answer

Nothing changes

Question 21

Which organism is both a primary consumer and a secondary consumer?

Accepted Answer

Bear

Answer

Human

Answer

Rabbit

Answer

Cow

Question 22

How do food webs maintain ecosystem stability?

Accepted Answer

By providing alternative food sources

Answer

By reducing competition

Answer

By eliminating predators

Answer

By isolating species

Question 23

Which of the following can be both predator and prey?

Accepted Answer

Frog

Answer

Hawk

Answer

Grass

Answer

Mushroom

Question 24

Which type of organism is at the base of every food web?

Accepted Answer

Producers

Answer

Carnivores

Answer

Herbivores

Answer

Omnivores

Question 25

In an aquatic food web, which organism is most likely a primary producer?

Accepted Answer

Algae

Answer

Fish

Answer

Crab

Answer

Dolphin

Question 26

Which type of consumer feeds directly on producers?

Accepted Answer

Herbivores

Answer

Carnivores

Answer

Omnivores

Answer

Decomposers

Question 27

What role do omnivores play in a food web?

Accepted Answer

Consume both plants and animals

Answer

Decompose organic matter

Answer

Only consume producers

Question 28

What would happen if all producers were removed from an ecosystem?

Accepted Answer

The food web would collapse

Answer

Consumers would increase

Answer

Decomposers would thrive

Answer

Nothing would change

Question 29

What are the products of photosynthesis?

Accepted Answer

oxygen and glucose

Answer

water and carbon dioxide

Answer

oxygen and carbon dioxide

Answer

oxygen and water

Question 30

What are the reactants of photosynthesis?

Accepted Answer

water, carbon dioxide, light energy

Answer

oxygen and glucose

Answer

oxygen and carbon dioxide

Answer

oxygen and water

Question 31

An organism that obtains energy and nutrients by feeding on other organisms or their remains.

Accepted Answer

Consumer

Answer

producer

Answer

decomposer

Question 32

Bacteria and fungi that break down dead plant and animals.

Accepted Answer

decomposer

Answer

Consumer

Answer

producer

Question 33

A process plants use to turn sunlight into food.

Accepted Answer

Photosynthesis

Answer

autotroph

Answer

heterotroph

Question 34

An animal that eats only plants.

Accepted Answer

herbivore

Answer

carnivore

Answer

omnivore

Question 35

An animal that eats other animals.

Accepted Answer

carnivore

Answer

herbivore

Answer

omnivore

Question 36

An animal that eats both plants and animals.

Accepted Answer

omnivore

Answer

herbivore

Answer

carnivore

Question 37

Represent the direction of energy flow from one organism to another

Accepted Answer

arrows

Answer

food chain

Answer

food web

Question 38

An animal that hunts and kills other animals for food

Accepted Answer

predator

Answer

carnivore

Answer

prey

Question 39

An animal that is hunted, caught and eaten by another animal.

Accepted Answer

prey

Answer

carnivore

Answer

predator

Question 40

Organisms that make their own food.

Accepted Answer

autotroph

Answer

herterotroph

Answer

herbivore

Question 41

In the food web above, what organism is missing from this food chain:

Grass --> Slug --> ________ --> Hawk

Accepted Answer

Thrush

Answer

Vole

Answer

Frog

Answer

Insect

Question 42

Which of the following is not a secondary consumer?

Accepted Answer

mouse

Answer

hawk

Answer

lizard

Answer

snake

Question 43

Identify the correct food chain that demonstrates the energy flow of this food web

Accepted Answer

Plant > Caterpillar > Bluebird > Eagle

Answer

Plant < Rabbit < Eagle

Answer

Plant >Lizard > Snail >Eagle

Answer

Eagle >Lizard>Caterpillar>Plant

Photosynthesis and Energy flow in a Food Chain/Web Quiz

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