AnswersHSBIO Biology Sem 1 26-27Lab: Diffusion Across a Semi-permeable Membrane

The Cycles of Matter Answers

0 verified answers1 views
1
Free Preview

Which process allows water to enter the atmosphere?

A
evaporation
B
condensation
C
precipitation
D
freezing
2
Free Preview

Which process plays an important role in the biogeochemical cycles of carbon, nitrogen, and phosphorus?

A
photosynthesis
B
transpiration
C
decomposition
D
respiration
3

Actinobacteria sp. are fermenting organisms, which do not require oxygen to survive. These organisms break down organic material and convert it to inorganic material. Which part of the carbon cycle does this describe?

A
photosynthesis
B
respiration
C
decomposition
D
assimilation
4

Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be affected by which cycle?

A
water
B
phosphorus
C
nitrogen
D
magnesium
5

Why are bacteria a necessary part of the nitrogen cycle?

A
Other living things cannot use atmospheric nitrogen.
B
Other living things cannot use the nitrogen in plants.
C
Bacteria are the main nitrogen reservoir.
D
Bacteria are the main nitrogen transpirators.
6

The phosphorus cycle differs from the biogeochemical cycles in that

A
it does not have an atmospheric reservoir.
B
it does not have an oceanic reservoir.
C
there is no assimilation of phosphorus.
D
there is no decomposition of phosphorus.
7

What process adds carbon dioxide to the air?

A
nitrogen cycle
B
water cycle
C
respiration
D
photosynthesis
8

Which are limiting nutrients for plant growth?

A
water and nitrogen
B
nitrogen and carbon
C
carbon and phosphorus
D
phosphorus and nitrogen
9

Thiobacillus denitrificans is a species of bacteria that obtains its energy from carbon dioxide and inorganic compounds such as nitrogen in its environment. It is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed. Through what process does Thiobacillus denitrificans help bioremediate groundwater?

A
nitrification
B
denitrification
C
nitrogen fixation
D
decomposition
10

Which of these nutrients can be found in all organic compounds?

A
nitrogen
B
calcium
C
carbon
D
phosphorous

Did you find these answers helpful?