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Biochemical Cycles

Total questions: 42

Worksheet time: 45mins

Name
Class
Date
1.

Define the process shown here:

a)

Carbon Cycle

b)

Respiration

c)

Photosynthesis

d)

Magic

2.
What is one of the most important processes that removes carbon from the atmosphere? 
a)
photosynthesis
b)
cellular respiration
c)
erosin
d)
soil respiration
3.
Which process moves carbon stored in fossil fuel into the atmosphere?
a)
When fossil fuels are burned, carbon enters the atmosphere as carbon dioxide.
b)
The denitrifying bacteria turns the fossil fuel into carbon dioxide gas.
c)
Decomposers convert the fossil fuels into greenhouse gases like carbon dioxide.
d)
The fossil fuels react with the soil to produce carbonates and carbon dioxide.
4.
respiration is the process by which animals use _ and release _ 
a)
photosynthesis
b)
carbon
c)
oxygen
d)
oxygen and carbon dioxide
5.
Organisms that need nitrogen to survive
a)
only plants
b)
only animals
c)
only bacteria
d)
all living organisms
6.
Nitrogen rich fertilizers and manure can cause water pollution.
a)
True
b)
False
7.
How nitrogen is "fixed" into useable form for plants
a)
through action of bacteria
b)
through lightning
c)
through action of bacteria & lightning
d)
through photosynthesis
8.
What converts nitrogen into a useable form for plants and animals?
a)
bacteria
b)
fungi
c)
rain
9.
How do  animals get nitrogen?
a)
the atmosphere 
b)
eating other organisms
c)
bacteria
d)
lightning 
10.
When nitrogen gas is turned into a form (nitrates) that plants and animals can use is called 
a)
Combustion
b)
Photosynthesis
c)
Decomposition
d)
Nitrogen Fixation
11.
which answer best defines condensation?
a)
the process of changing from a liquid to a gas, usually caused by energy from the sun
b)
the process in which animals release water vapor
c)
the process of changing from a gas to a liquid, such as water vapor changing into water
d)
water falling to the surface of the Earth in the form of rain, hail, sleet, or snow
12.
Which answer best defines precipitation?
a)
the process of changing from a liquid to a gas, usually caused by energy from the sun
b)
the process in which animals release water vapor
c)
the process of changing from a gas to a liquid, such as water vapor changing into water
d)
water falling to the surface of the Earth in the form of rain, hail, sleet, or snow
13.
Which answer best defines evaporation?
a)
the process of changing from a liquid to a gas, usually caused by energy from the sun
b)
the process in which animals release water vapor
c)
the process of changing from a gas to a liquid, such as water vapor changing into water
d)
water falling to the surface of the Earth in the form of rain, hail, sleet, or snow
14.
Which of the following is the formula for photosynthesis?
a)
CO2 + H20 ---> glucose + O2
b)
glucose + O2 ---> CO2 + H20
c)
glucose + CO2 --> H2O + O2
d)
glucose + H2O ---> CO2 + O2
15.

Which one of the following are Greenhouse Gases

a)

Carbon dioxide

b)

Oxygen

c)

Hydrogen

d)

Helium

16.
Define the process shown here:
a)
Carbon Cycle
b)
Respiration
c)
Photosynthesis
d)
Magic
17.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
18.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
19.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
20.
TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.
a)
True
b)
False
21.

The main human activity that releases greenhouse gases is

a)

using public transportation and there by reduce the affects of greenhouse gases.

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

22.
Phosphorous is passed from plants to ____ who eat them
a)
plants
b)
animals
c)
scavengers
23.
_____ brings phosphorous into our waterways. .
a)
precipitation
b)
runoff
c)
transpiration
d)
condensation
24.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
25.
This is released by the weathering of rocks.
a)
Carbon
b)
Oxygen
c)
Phosphorus
d)
Nitrogen
26.

Too much phosphorus in waterways (rivers, lakes) can lead to___________.

a)

eutrophication

b)

Nothing

c)

Death

d)

diseases

27.

An algal bloom is the rapid growth of a population of

a)

fungi

b)

protozoans

c)

algae

28.

In general, algal blooms occur when

a)

toxins accumulate in shellfish.

b)

nutrients decrease in the water.

c)

nutrients increase in the water.

29.

Intrusive & extrusive are 2 types of...

a)

sedimentary

b)

metamorphic

c)

Igneous

30.
A rock formed from fragments of other rocks is a(n)
a)
Metamorphic Rock
b)
Sedimentary Rock
c)
Extrusive Rock
d)
Igneous Rock
31.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
32.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
33.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
magma, lava, crystals
34.

Which rock is formed form the cooling of volcanic ash on Earth's surface?

a)

intrusive igneous

b)

foliated metamorphic

c)

extrusive igneous

d)

organic sedimentary

35.

Rocks that form from colling magma inside Earth?

a)

Igneous intrusive

b)

Igneous extrusive

c)

Metamorphic foliated

d)

Metamorphic nonfoliated

36.

Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:

a)

chemical rock

b)

igneous rock

c)

sedimentary rock

d)

metamorphic rock

37.

This is the continuous process of rock changing from one type to another.

a)

Igneous rocks

b)

Sedimentary rocks

c)

Metamorphic rocks

d)

Rock Cycle

38.

What type of rock might contain evidence of past life?

a)

Sedimentary Rock

b)

Igneous Rock

c)

Metamorphic Rock

39.

Limestone is a sedimentary rock. During the rock cycle, limestone is changed into marble, a metamorphic rock. The processes that act on limestone and change it into marble are

a)

weather and erosion

b)

heat and pressure

c)

compacting and cementing

d)

melting, cooling, and hardening

40.
A metamorphic rock can become ______.
a)
igneous
b)
metamorphic
c)
sedimentary
d)
all of these
41.
Fossils are only found in
a)
Sedimentary rocks
b)
Foliated Metamorphic rocks
c)
Igneous Rocks
d)
Nonfoliated Metamorphic rocks
42.
Small pieces of rock are also called
a)
sediment
b)
coal
c)
organic matter
d)
erosion

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