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WorksheetsEnergy Unit Review
Total questions: 25
Worksheet time: 13mins
Glucose reaches each and every cell through the circulation of _____ .
Water
Lymph
Blood
None of the Above
Photosynthesis removes __________ from the atmosphere and uses it to make organic compounds
carbon monoxide
hydrogen
nitrogen
carbon dioxide
What does "anaerobic" refer to?
without oxygen
with oxygen
with carbon dioxide
none of the above
The interconnected pathway through which water is recycled through the abiotic and biotic components of the biosphere is called _____.
nutrient cycle
water cycle
liquid cycle
rain cycle
Which of the following molecules does NOT carry energy?
NADPH
ATP
Glucose
Carbon Dioxide
When surface water changes to water vapor because of heat from the sun or another source, this is called the process of _______________.
evaporation
sublimation
claymation
transpiration
Which of the following is performed by leaves?
Photosynthesis
Gas Exchange
Both
None of them
Photosynthesis includes the light-independent reactions and _____.
Light-dependent reactions
Oxygen fixation reactions
Cellular respiration reactions
None of the them
Which organisms can perform photosynthesis?
All of them
Plants
Algae
some Bacteria
What reactants in cellular respiration are products of photosynthesis?
Glucose and carbon dioxide
Oxygen and carbon dioxide
water and glucose
Glucose and oxygen
A _____ is a part of a biogeochemical cycle that holds water for a long period of time.
reservoir
nutrient sink
water store
water bank
The organisms in an ecosystem that break down organic material and recycle nutrients are called:
consumers
decomposers
producers
What trophic level do autotrophs occupy?
only the first level
only the last level
the first and second levels
all levels except the first
Which of the following are the consumers?
photoautotrophs
heterotrophs
autotrophs
chemotrophs
_______ is an energy carrier molecule produced in the light reactions of photosynthesis.
FADH2
NADPH
NADH
When your muscle cells are working too hard for cellular respiration to keep them supplied with energy, they start producing ATP by _____________.
lactic acid fermentation
photosynthesis
alcoholic fermentation
the Krebs cycle
Both Alcoholic fermentation and lactic acid fermentation occurs only in the absence of ________.
carbon dioxide
oxygen
nitrogen
hydrogen
Due to human activities...
There is less carbon dioxide in the atmosphere today than in the past
There is more carbon dioxide in the atmosphere today than in the past
There is change in the carbon dioxide levels, but not due to human activities
There is no change in carbon dioxide levels
Producers in a food chain are _____.
Autotrophs
Heterotrophs
Both
Cellular respiration uses the energy in glucose to produce energy molecules called ____________________.
ADP
ATP
Starch
What is the purpose of cellular respiration?
The process of getting energy from food
The process of getting energy from light
The heterotrophs are classified as _____.
Herbivores
Omnivores
Carnivores
All of them
How does carbon dioxide enter Earth’s atmosphere?
burning of fossil fuels
heating up of oceans
cellular respiration of organism
all of them
Producers contain pigments like _____ to trap the sun’s energy and use it to make food
Chlorophyll
None of them
Beta Carotene
Ultramarine pigment
The end product of photosynthesis is _____.
All of them
Starch
Glucose
Fructose
