Science Chapter 1 Quiz

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

• condensation
• evaporation
• transpiration
• exhaling

The precipitation that flows over the surface of the soil is called _____.

• runoff

• photochemical smog

• biogeochemical cycle

• nodule

A _____ is a swelling on a plant root that contains nitrogen-fixing bacteria.

• runoff

• photchemical smog

• biogeochemical cycle

• nodule

The brown smog produced when air pollutants react with sunlight is called ____.

• runoff

• photochemical smog

• biogeochemical cycle

• nodule

A _____ is the cycling of chemical elements through the living and nonliving parts of an ecosystem.

• runoff

• photochemical smog

• biogeochemical cycle

• nodule

When precipitation gathers into a body of water, it is called _____.

• runoff

• collection

• acid precipitation

• photochemical smog

Air pollution can be caused by burning too many _____.

• emissions

• fossil fuels

• nodules

• legumes

Releasing nitrogen from the soil back into the atmosphere is called _____.

• nitrogen fixation

• cellular respiration

• denitrification

• photosynthesis

Which process describes how plants make sugar from sunlight, water, and carbon dioxide?

• nitrogen fixation

• cellular respiration

• denitrification

• photosynthesis

Converting nitrogen in the atmosphere into a form that can be used by plants is called _____.

• nitrogen fixation

• cellular respiration

• denitrification

• photosynthesis