Biogeochemical cycle

Biogeochemical cycle

by ito MJ

Multiple Choice

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

Multiple Choice

How does carbon in a grass plant get into a lion?

• The lion eats the grass
• Carbon from grass doesn't end up in a lion. 
• The carbon ends up in the food the lion eats. 
• The lion breathes in carbon given out by the plant

Multiple Choice

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Multiple Choice

Photosynthesis

• absorbs CO₂
• releases CO₂

Multiple Choice

What is the most abundant gas in the atmosphere?

• hydrogen
• oxygen
• helium
• nitrogen

Multiple Choice

Which of the following absorb carbon dioxide from the atmosphere?

• Plants

• The ocean

• Sedimentary rocks

• all of these

Multiple Choice

Nitrogen that is not combined with other elements and found in the atmosphere as gas is _____.

• free nitrogen
• nitrogen compounds
• ammonia
• nitrates

Multiple Choice

What 2 things does a plant make during photosynthesis?

• oxygen, glucose
• glucose, carbon dioxide
• useable energy, glucose
• oxygen, carbon dioxide

Multiple Choice

The type of nitrogen that can be used by producers is called _____.

• free nitrogen
• nitrous oxide
• nitrogen gas
• nitrogen compounds

Multiple Choice

Which one of these does not add CO₂ to the atmosphere?

• cooking with gas

• planting trees

• burning wood

• riding in a bus

Multiple Choice

Why do living things need nitrogen?

• To get energy
• To make amino acids
• To make proteins
• To make proteins AND amino acids

Multiple Choice

A _______________ is any process or activity through which an element is released into the atmosphere.

• Sink

• Source

• Bucket

• Location

Multiple Choice

What are the swellings found on the roots of legumes called?

• noodles
• nodularisms
• nodules
• tubers

Multiple Choice

A ____________ is a reservoir that takes up a chemical element and stores it for a long period of time.

• Sink

• Source

• Bucket

• Location

Multiple Choice

Where are denitrifying bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

Multiple Choice

What is a greenhouse gas?

• A gas that helps plants grow

• Any gas in the atmosphere

• A gas that absorbs solar radiation allowing the Earth to stay at a livable temperature

• A gas that can only be harmful and poisonous

Multiple Select

Where are nitrogen-fixing bacteria found?

• In the soil
• Root nodules
• In dead things
• In the atmosphere

Multiple Choice

How is the ocean involved in the carbon cycle?

• Aquatic plants absorb CO₂ to perform photosynthesis

• The surface of the ocean absorbs and dissolves CO₂

• Certain aquatic plants take in carbon to make their shells

• The ocean releases carbon that was stored in the remains of dead organisms

• All of the options are correct

Multiple Choice

What happens during the process of nitrogen-fixation?

• Nitrogen compounds turn into free nitrogen
• Free nitrogen turns into nitrogen compounds

Multiple Choice

What types of organisms need carbon to survive?

• Insects

• Plants

• Mamals

• All types of organisms

Multiple Choice

What happens during the process of denitrification?

• Nitrogen compounds turn into free nitrogen
• Free nitrogen turns into nitrogen compounds

Multiple Choice

How does a cow transfer carbon to other parts of the environment?

• It releases CO₂ through respiration

• It releases carbon as waste

• it transfers carbon to humans when we eat it

• all of the answers are correct

Multiple Choice

Which is NOT a way that nitrogen compounds are added to the soil?

• Decay of dead organisms
• Denitrification
• Animal waste
• Nitrogen-fixation

Multiple Choice

Energy flows through an ecosystem and is transferred as ____________, but chemical elements are ____________.

• light, heat

• heat, lost

• light, gained

• heat, recycled

Multiple Choice

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Multiple Choice

Which of the following is NOT a SOLID form of carbon in the carbon cycle?

• Diamond

• Plants

• Coal

• Carbon Dioxide

Multiple Choice

Where is carbon stored in the environment?

• Fossil fuels
• Wood of trees
• Calcium carbonate (shells and bones)
• All of the above

Multiple Choice

Choose the correct process described: Acid rain dissolves minerals trapped in rocks and washes them to surface waters

• Burial and subduction

• Weathering and erosion

• Diffusion

• Respiration

Multiple Choice

What 2 things does a plant make during photosynthesis?

• oxygen, glucose
• glucose, carbon dioxide
• useable energy, glucose
• oxygen, carbon dioxide

Multiple Choice

Choose the correct process described: A chemical combination of a carbon based fuel with oxygen that produces heat or light and releases CO₂

• Photosynthesis

• Burial and subduction

• Respiration

• Combustion

Multiple Choice

What 3 things are made during cellular respiration?

• useable energy, water, glucose
• glucose, water, carbon dioxide
• oxygen, carbon dioxide, glucose
• carbon dioxide, water, useable energy

Multiple Choice

Choose the correct process described: Plants and animals break down sugars and metabolize them into CO₂ , water and ATP for energy

• Respiration

• Photosynthesis

• Combustion

• Volcanic eruptions

Multiple Choice

Which gas makes up 78% of our atmosphere?

• Oxygen

• CO₂

• Nitrogen

• Water vapor

Multiple Choice

Which nitrogen cycle process breaks down atmospheric nitrogen (N₂) and combines it with hydrogen or oxygen using bacteria or lightning strikes

• Nitrogen fixation

• Ammonification

• Nitrification

• Dentrification

Multiple Choice

After living organisms use nitrogen, decomposer bacteria convert it back to ammonia for plants to use through this process

• Nitrogen fixation

• Ammonification

• Nitrification

• Dentrification

Multiple Choice

This process converts ammonia into nitrites and nitrates for plants to use

• Nitrogen fixation

• Ammonification

• Nitrification

• Dentrification

Multiple Choice

Nitrogen compounds are converted back into atmospheric N₂ by bacteria and burning of fossil fuels through this process

• Nitrogen fixation

• Ammonification

• Nitrification

• Dentrification