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Plants and Ecosystem Unit Test

Total questions: 50

Worksheet time: 26mins

Name
Class
Date
1.

What is a diagram of interlocking food chains that shows the flow of energy and matter through an ecosystem?

a)

food chain

b)

food web

c)

mitochondria

d)

ATP

2.

A single flow of energy from organism to organism, based on what each consumes

a)

food chain

b)

food web

c)

electron transfer chain

d)

carbon cycle

3.

An ecosystem's food web typically gets its original energy from what source?

a)

mitochondria

b)

ATP

c)

the Sun

d)

producers

4.

Which organisms in a food web are also called autotrophs?

a)

consumers

b)

decomposers

c)

apex predators

d)

producers

5.

What type of organism performs photosynthesis using solar energy to create their own food?

a)

consumer

b)

producer

c)

decomposer

d)

secondary consumer

6.

In a food chain, what percent of the energy at any level is actually passed onto the next level after consumption?

a)

10%

b)

25%

c)

50%

d)

15%

7.

Organisms that get their energy by eating other organisms.

a)

consumers

b)

producers

c)

decomposers

d)

autotrophs

8.

The organisms at the highest level of a food web, which have no natural predators

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

9.

Decomposers get their energy by consuming what?

a)

producers

b)

dead organisms

c)

consumers

d)

solar energy

10.

Producers use solar energy to create their own food. That food is called what?

a)

glucose

b)

protein

c)

solar energy

d)

ATP

11.

The cellular process done by plants and other autotrophs to make their own food

a)

cellular respiration

b)

photosynthesis

c)

carbon cycle

d)

Krebs cycle

12.

6 CO2 + 6 H2O --> 6 O2 + C6H12O6

a)

photosynthesis

b)

cellular respiration

c)

crystallization

d)

glycolysis

13.

What is the goal of photosynthesis? What does the plant need to gain from it?

a)

cellular energy

b)

water

c)

oxygen

d)

glucose

14.

What is the goal of cellular respiration? What does the plant need to gain from it?

a)

cellular energy

b)

glucose

c)

oxygen

d)

water

15.

In what part of the plant cell does photosynthesis take place?

a)

mitochondria

b)

nucleus

c)

chloroplasts

d)

chlorophyll

16.

This substance uses its green color to attract sunlight for a plant cell

a)

chloroplast

b)

chlorophyll

c)

ATP

d)

cytoplasm

17.

Which of the following are steps in the Cellular Respiration process?

(Check all that apply.)

a)

Electrolysis

b)

Glycolosis

c)

The Krebs Cycle

d)

Preparatory Reaction

18.

In what type of atom does a plant store the sun's energy during photosynthesis?

a)

oxygen

b)

carbon

c)

hydrogen

d)

Up and atom

19.

The cellular process where sugar and oxygen react to form Carbon Dioxide and water, releasing energy for the cell.

a)

cellular respiration

b)

photosynthesis

c)

DNA

d)

glycolysis

20.

6 O2 + C6H12O6 --> 6 CO2 + 6 H2O

a)

photosynthesis`

b)

carbon cycle

c)

cellular respiration

d)

oxidization

21.

The powerhouse of the cell where respiration takes place

a)

organelle

b)

chloroplast

c)

mitochondria

d)

chlorophyll

22.

In which step of cellular respiration does glucose get broken down into pyruvate?

a)

glycolysis

b)

preparatory reaction

c)

Krebs cycle

d)

electron transport chain

23.

In the second step of respiration, pyruvate is broken down into this simpler substance to be ready for the Krebs Cycle.

a)

pyruvate

b)

cellulose

c)

acetyl COA

d)

ATP

24.

In what step of respiration are the most ATP produced?

a)

gIycolysis

b)

preparatory reaction

c)

citric acid (Kreb's) cycle

d)

electron transport chain

25.

What is the level of a food web between primary and tertiary consumers?

a)

secondary consumers

b)

apex consumers

c)

primary consumers

d)

decomposers

26.

True or False: Every food chain in a food web must have producers, primary consumers, secondary consumers, and tertiary consumers.

a)

True

b)

False

27.

In respiration, energy is released from the glucose and converted into what energy-carrying molecule for the cell to use?

a)

oxygen

b)

ATP

c)

protein

d)

pyruvate

28.

In the food web, what is the relationship between the shrub and the rabbit?

a)

producer to primary consumer

b)

producer to secondary consumer

c)

primary consumer to secondary consumer

d)

consumer to producer

29.

In the food web, what is the relationship between the shrew and the mountain lion?

a)

producer to primary consumer

b)

secondary consumer to tertiary consumer

c)

primary consumer to secondary consumer

d)

producer to consumer

30.

What level of the food web contains the hawk?

a)

producers

b)

primary consumers

c)

secondary consumer

d)

tertiary consumers

31.

What level of the food web contains the deer?

a)

producers

b)

primary consumers

c)

secondary consumer

d)

tertiary consumers

32.

What are the products of cellular respiration?

a)

carbon dioxide and water (and energy)

b)

glucose and oxygen (and energy)

c)

glucose and carbon dioxide (and energy)

d)

carbon dioxide and oxygen (and energy)

33.

What organelle is shown at letter B?

a)

mitochondria

b)

chlorophyll

c)

chloroplast

d)

cytoplasm

34.

What organelle is shown at letter G?

a)

mitochondria

b)

chlorophyll

c)

chloroplast

d)

cytoplasm

35.

What is entering the process in letter A?

a)

solar energy

b)

stored energy

c)

glucose

d)

oxygen

36.

The name of what process belongs in letter C?

a)

photosynthesis

b)

cellular respiration

c)

carbon cycle

d)

krebs cycle

37.

The name of what process belongs in letter F?

a)

photosynthesis

b)

cellular respiration

c)

carbon cycle

d)

krebs cycle

38.

In which letter would you put glucose?

a)

A

b)

D

c)

E

d)

H

39.

In which letter would you put CO2?

a)

A

b)

D

c)

E

d)

H

40.

FADH and NADH act as what throughout the Cellular Respiration process?

a)

protein

b)

reactants

c)

electron carriers

d)

products

41.

In respiration, what reactant works during the Krebs Cycle to help break down carbons?

a)

oxygen

b)

carbon dioxide

c)

water

d)

glucose

42.

The process in which carbon atoms continually travel to and from the earth, its water, its organisms, and its atmosphere.

a)

photosynthesis

b)

carbon cycle

c)

cellular respiration

d)

glycolysis

43.

Into which of the following do carbons move during the carbon cycle? (Check all that apply)

a)

atmosphere

b)

water

c)

organisms

d)

Earth (rock)

44.

Which of the following are short-term carbon cycles? (check all that apply)

a)

photosynthesis

b)

erosion of rock

c)

predator-prey transfers

d)

formation of sedimentary rock

45.

Which of the following are long-term carbon cycles? (check all that apply)

a)

photosynthesis

b)

erosion of rock

c)

predator-prey transfers

d)

formation of sedimentary rock

46.

Human-based influences to the carbon cycle, like deforestation and burning of fossil fuels, increase levels of what molecule in the atmosphere?

a)

oxygen

b)

glucose

c)

hyrogen

d)

carbon dioxide

47.

In the carbon cycle, what compound is used to transfer carbon from the atmosphere to land plants during photosynthesis ?

a)

carbon dioxide

b)

glucose

c)

proteins

d)

acetyl COA

48.

In the carbon cycle, what compound is used to transfer carbon from the land plants to land animals when consumed?

a)

carbon dioxide

b)

glucose

c)

water

d)

acetyl COA

49.

When a decomposer breaks down dead tissue, what two substances are returned to the ecosystem? (choose 2)

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose

50.

The green color of chlorophyll is used to attract what?

a)

sunlight

b)

electrons

c)

oxygen

d)

carbon