Modern Agriculture

Multiple Choice Questions

1) If atmospheric carbon dioxide was eliminated from our atmosphere, we would expect that the

 Earth would:

A) cool considerably and photosynthesis would dramatically increase.

B) cool considerably and photosynthesis would dramatically decrease.

C) heat up considerably and photosynthesis would dramatically increase.

D) heat up considerably and photosynthesis would dramatically decrease.

2) Which of the following is a correlation that is causing widespread concern?

A) As atmospheric oxygen levels decline, the ozone layer is being destroyed.

B) As atmospheric carbon dioxide levels decline, the ozone layer is being destroyed.

C) As levels of methane decline, average global temperatures are increasing.

D) As levels of carbon dioxide increase, average global temperatures are increasing.

3) Which of the following is part of natural capital but not ecosystem capital?

A) solar energy used to drive photosynthesis throughout the biosphere

B) coal and oil reserves

C) the production of electrical energy from wind turbines and dams

D) the genetic diversity of all plants and animals used in modern agriculture