WorksheetsNatural Cycles Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Humans and all other living creatures need nitrogen gas (N₂) to survive.
a)
True
b)
False
2.
Another name for a heterotroph is a
a)
Producer
b)
Consumer
c)
Plant
d)
Herbivore
3.
Which of the following are the reactants of photosynthesis? Select all that apply.
a)
Water
b)
Oxygen
c)
Glucose
d)
Carbon Dioxide
e)
Nitrogen
4.
Which of the following are the products of photosynthesis? Select all that apply.
a)
Water
b)
Oxygen
c)
Glucose
d)
Carbon Dioxide
e)
Nitrogen
5.
__________ is the opposite process of cellular respiration.
a)
Photosynthesis
b)
Cell Division
c)
Respiration
d)
Glucose
6.
In the first stage of respiration, anaerobic respiration, __________ energy is released.
a)
no
b)
a little
c)
a HUGE amount of
7.
Which of the following organisms is an autotroph?
a)
Fungus
b)
Human
c)
Oak Tree
d)
Rabbit
8.
In which organelle does cellular respiration take place?
a)
Nucleus
b)
Centrosome
c)
Chloroplast
d)
Mitochondrion
9.
What is the source of energy used in photosynthesis?
a)
Glucose
b)
Sunlight
c)
Chloroplast
d)
DNA
10.
Which of these is a difference in aerobic and anaerobic respiration?
a)
Aerobic respiration requires oxygen but anaerobic respiration does not.
b)
Anaerobic respiration requires oxygen but aerobic respiration does not.
c)
Aerobic respiration requires sunlight but anaerobic respiration does not.
d)
Anaerobic respiration requires sunlight but aerobic respiration does not.
11.
In which organelle does photosynthesis take place?
a)
Nucleus
b)
Cytoplasm
c)
Chloroplast
d)
Mitochondrion
12.
Which of these processes releases the most energy for cells to use?
a)
Photosynthesis
b)
Aerobic respiration
c)
Anaerobic respiration
d)
Chlorophyll
13.
Rain is a form of
a)
Transpiration
b)
Precipitation
c)
Evaporation
d)
Emancipation
14.
Which of these is NOT a form in which carbon is cycled through the environment?
a)
Carbon dioxide
b)
Glucose molecules
c)
Carbon monoxide
d)
Water molecules
15.
How much energy passes between trophic levels in a food chain?
a)
1%
b)
10%
c)
50%
d)
100%
16.
Which of these is one way nitrogen is converted (or fixed) into compounds living creatures can use?
a)
Bacteria
b)
The Carbon Cycle
c)
Photosynthesis
d)
Pollution
17.
Which of these is a biotic factor?
a)
Water
b)
Oxygen
c)
Wood
d)
Sand
18.
Which of these is an abiotic factor?
a)
Wood
b)
Tiger
c)
Rock
d)
Flower
19.
Which of these is not part of the Water Cycle?
a)
Fixation
b)
Transpiration
c)
Evaporation
d)
Condensation
e)
Collection
20.
Which of these is not part of the Carbon Cycle?
a)
Respiration
b)
Photosynthesis
c)
Decomposition
d)
Denitrification
e)
Combustion
21.
Which of these is not part of the Nitrogen Cycle?
a)
Fixation
b)
Absorption
c)
Consumption
d)
Denitrification
e)
Precipitation
100 %
