Life Science Carbon and Nitrogen Cycle

During photosynthesis, carbon is moved from which reservoir to which reservoir?

• From the atmosphere to the terrestrial biosphere.
• From the troposphere to the terrestrial biosphere.
• From the lithosphere to the terrestrial biosphere.
• From the hydrosphere to the terrestrial biosphere

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The flow of carbon from the living things to the atmosphere would be slowed by reducing the

• amount of fertilizer applied to fields.
• number of size of forest fires
• buildup of carbonate rocks
• amount of rain water used for irrigation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following processes converts C₆H₁₂O₆ (glucose) to CO₂

• translation
• photosynthesis
• cellular respiration
• excretion

Tags

NGSS.MS-LS1-7

Organisms use nitrogen to form

• carbohydrates and lipids
• proteins and lipids
• lipids and nucleic acids
• proteins 

Tags

NGSS.MS-LS3-1

Which of the following describes the role of nitrogen-fixing bacteria in the nitrogen cycle? Nitrogen-fixing bacteria convert

• nitrates intro nitrogen gas
• ammonia into proteins
• nitrogen gas from the air into usable nitrogen (ammonia)
• proteins into nitrates

What is one of the most important processes that removes carbon from the atmosphere? 

• photosynthesis
• cellular respiration
• erosin
• soil respiration

Tags

NGSS.MS-LS1-6

Where are most nitrogen fixing bacteria located?

• in the atmosphere
• in the ocean
• in roots of legumes
• in animals

Animals obtain the nitrogen they need directly from the

• soil in their habitat
• air they breathe
• plants they eat
• bacteria living within them

Growing legumes such as alfalfa or soy beans increases

• denitrification
• nitrogen fixation
• ammonification
• ammonium oxidation

Which process moves carbon stored in fossil fuel into the air?

• When fossil fuels are burned, carbon enters the atmosphere as carbon dioxide.
• The denitrifying bacteria turns the fossil fuel into carbon dioxide gas.
• Decomposers convert the fossil fuels into greenhouse gases like carbon dioxide.
• The fossil fuels react with the soil to produce carbonates and carbon dioxide.

Tags

NGSS.HS-ESS2-6