Quiz about Photosynthesis and Energy Flow Through Living Systems

Question 1

The flow of energy in some Australian food chains is modeled in the energy pyramid below.

(Look at your picture)

Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?

Accepted Answer

C. Ring-Tailed opossums

Answer

A. Wedge-Tailed eagles

Answer

B. Chuditch

Answer

D. Eucalyptus trees

Question 2

How many organisms in this food wen eat only producers?

(Look at your picture)

Accepted Answer

C. 3

Answer

A. 1

Answer

B. 2

Answer

D. 4

Question 3

A partial marine food web is shown.

(Look at your picture)

Which organisms all consume the same producer?

Accepted Answer

B. Euphausiids, sweeps, water fleas

Answer

A. Crabs, pilchards, blennies

Answer

C. Tiger sharks, dolphins, octopuses

Answer

D. Sea urchins, crabs, octopuses

Question 4

A student researching a northern forest ecosystem learns the following information about feeding relationships in the ecosystem.

(Look at your picture)

Which food web best represents the flow of energy in these feeding relationships?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 5

In any habitat, which group of organisms provides the primary source of energy for all other organisms?

Accepted Answer

Producers

Answer

Primary Consumers

Answer

Secondary Consumers

Answer

Decomposers

Question 6

IN the energy pyramid diagrams pictured here, the width of the level represents available energy provided by organisms at that level. Which one most accurately represents the correct distribution of energy?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 7

A food web for a grassland ecosystem is shown. Which of the organisms listed in the food web gets its energy by eating primary consumers?

Accepted Answer

Mountain Lion

Answer

Grasses

Answer

Rabbits

Answer

Deer

Question 8

A food web diagram is provided. Which of the following organisms depends directly on primary consumers for its energy?

Accepted Answer

Monkey

Answer

Grasshopper

Answer

Acacia trees

Answer

Impala

Question 9

Which type of energy conversion occurs during the process of photosynthesis?

Accepted Answer

Radiant energy is converted into chemical energy

Answer

Chemical energy is converted into radiant energy

Answer

Radiant energy is converted into thermal energy.

Answer

Thermal energy is converted into chemical energy

Question 10

What kind of energy is necessary to initiate the process of photosynthesis?

Accepted Answer

Radiant

Answer

Heat

Answer

Electrical

Answer

Wind

Question 11

What happens to the solar energy absorbed by plants during photosynthesis?

Accepted Answer

It is transformed into chemical energy

Answer

It is recycled by plants and returned to the atmosphere.

Answer

It is converted into oxygen and glucose.

Answer

It is stored as heat within the plant for cellular functions.

Question 12

Which of the following best describes the role of chlorophyll in photosynthesis?

Accepted Answer

A) It absorbs light energy and converts it into chemical energy.

Answer

B) It provides structural support to the plant cells.

Answer

C) It transports water and nutrients throughout the plant.

Answer

D) It releases oxygen as a byproduct of photosynthesis.

Question 13

In an experiment, a plant is placed in a sealed container with a light source. Over time, the concentration of which gas is expected to increase inside the container?

Accepted Answer

A) Oxygen

Answer

B) Carbon Dioxide

Answer

C) Nitrogen

Answer

D) Methane

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