wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Energy Unit Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Glucose reaches each and every cell through the circulation of _____ .

a)

Water

b)

Lymph

c)

Blood

d)

None of the Above

2.

Photosynthesis removes __________ from the atmosphere and uses it to make organic compounds

a)

carbon monoxide

b)

hydrogen

c)

nitrogen

d)

carbon dioxide

3.

What does "anaerobic" refer to?

a)

without oxygen

b)

with oxygen

c)

with carbon dioxide

d)

none of the above

4.

The interconnected pathway through which water is recycled through the abiotic and biotic components of the biosphere is called _____.

a)

nutrient cycle

b)

water cycle

c)

liquid cycle

d)

rain cycle

5.

Which of the following molecules does NOT carry energy?

a)

NADPH

b)

ATP

c)

Glucose

d)

Carbon Dioxide

6.

When surface water changes to water vapor because of heat from the sun or another source, this is called the process of _______________.

a)

evaporation

b)

sublimation

c)

claymation

d)

transpiration

7.

Which of the following is performed by leaves?

a)

Photosynthesis

b)

Gas Exchange

c)

Both

d)

None of them

8.

Photosynthesis includes the light-independent reactions and _____.

a)

Light-dependent reactions

b)

Oxygen fixation reactions

c)

Cellular respiration reactions

d)

None of the them

9.

Which organisms can perform photosynthesis?

a)

All of them

b)

Plants

c)

Algae

d)

some Bacteria

10.

What reactants in cellular respiration are products of photosynthesis?

a)

Glucose and carbon dioxide

b)

Oxygen and carbon dioxide

c)

water and glucose

d)

Glucose and oxygen

11.

A _____ is a part of a biogeochemical cycle that holds water for a long period of time.

a)

reservoir

b)

nutrient sink

c)

water store

d)

water bank

12.

The organisms in an ecosystem that break down organic material and recycle nutrients are called:

a)

consumers

b)

decomposers

c)

producers

13.

What trophic level do autotrophs occupy?

a)

only the first level

b)

only the last level

c)

the first and second levels

d)

all levels except the first

14.

Which of the following are the consumers?

a)

photoautotrophs

b)

heterotrophs

c)

autotrophs

d)

chemotrophs

15.

_______ is an energy carrier molecule produced in the light reactions of photosynthesis.

a)

FADH2

b)

NADPH

c)

NADH

16.

When your muscle cells are working too hard for cellular respiration to keep them supplied with energy, they start producing ATP by _____________.

a)

lactic acid fermentation

b)

photosynthesis

c)

alcoholic fermentation

d)

the Krebs cycle

17.

Both Alcoholic fermentation and lactic acid fermentation occurs only in the absence of ________.

a)

carbon dioxide

b)

oxygen

c)

nitrogen

d)

hydrogen

18.

Due to human activities...

a)

There is less carbon dioxide in the atmosphere today than in the past

b)

There is more carbon dioxide in the atmosphere today than in the past

c)

There is change in the carbon dioxide levels, but not due to human activities

d)

There is no change in carbon dioxide levels

19.

Producers in a food chain are _____.

a)

Autotrophs

b)

Heterotrophs

c)

Both

20.

Cellular respiration uses the energy in glucose to produce energy molecules called ____________________.

a)

ADP

b)

ATP

c)

Starch

21.

What is the purpose of cellular respiration?

a)

The process of getting energy from food

b)

The process of getting energy from light

22.

The heterotrophs are classified as _____.

a)

Herbivores

b)

Omnivores

c)

Carnivores

d)

All of them

23.

How does carbon dioxide enter Earth’s atmosphere?

a)

burning of fossil fuels

b)

heating up of oceans

c)

cellular respiration of organism

d)

all of them

24.

Producers contain pigments like _____ to trap the sun’s energy and use it to make food

a)

Chlorophyll

b)

None of them

c)

Beta Carotene

d)

Ultramarine pigment

25.

The end product of photosynthesis is _____.

a)

All of them

b)

Starch

c)

Glucose

d)

Fructose