Life Science

Chapter 25: The Nonliving Environment

Section 2 Self-Check Quiz-Eng.

1.
DNA in organisms is formed by ___________.
A)hydrochloric acid
B)acid-base reactions
C)nucleic acids
D)biotic factors
2.
Rainfall patterns can be affected by __________.
A)the presence of mountains
B)clay in the soil
C)the availability of plant life
D)the abundance of animals
3.
A puddle is formed after a rainstorm. After two days of sunshine, the puddle disappears. What happened to the water?
A)It went through chemosynthesis.
B)It oxidized.
C)It became a biotic factor.
D)It evaporated.
4.
You pour a glass of water. After some time, drops of water appear on the outside of the cup. What is this an example of?
A)photosynthesis
B)the nitrogen cycle
C)condensation
D)biotic factors
5.
Which of these is part of the nitrogen cycle?
A)Nitrogen is absorbed by plants when they die.
B)Nitrogen goes from the atmosphere to the soil.
C)Nitrogen is produced by living organisms.
D)Nitrogen is removed from soil by animal wastes.
6.
Which of these can add nitrogen to the soil?
A)compost
B)plastic
C)paper
D)glass
7.
One possible result of extra carbon dioxide in the atmosphere is __________.
A)a rise in average temperatures on Earth
B)a decrease in the amount of water on Earth
C)an increase in the number of carnivores on Earth
D)a decrease in the amount of nitrogen in the soil
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe