Environmental Ch 14 & 15

Which of the following farm practices have been used by farmers only in recent years?

• fertilizing crops

• irrigation

• pest control

• None of the above

Land where it is possible to grow crops is called

• organic land.

• agricultural land.

• vegetative land.

• All of the above

Which of the following best describes why many people in the world go hungry?

• Food production has not been increasing as fast as the human population.

• There is plenty of food produced for everyone to have more than enough, but it is not distributed equally.

• In recent years, the human population has been growing, while food production has been falling.

• Global warming has contributed to crop failures.

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-6

Which of the following actions contributes to soil erosion?

• using compost as fertilizer.

• allowing land to lie fallow

• driving farm machinery over fields

• all of these practices contribute to soil erosion

Which of the following agricultural products requires the least amount of energy?

• beef cattle

• wheat

• dairy cows

• Both wheat and dairy cows

When a farmer uses no-till farming methods,

• seeds are planted among the roots of the previous crop.

• more erosion is likely.

• only organic fertilizers are used.

• All of the above.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

One potential way to deal with the problem of seafood overharvesting is by intensifying______ efforts.

• genetic engineering

• subsistence farming

• aquaculture

• integrated pest management

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

DDT is harmful to the environment because it

• does not break down quickly into harmless chemicals

• concentrates in the bodies of animals high in the food chain

• causes some birds to lay eggs so thin that they break when the bird sits on them.

• All of the above.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

All of the following factors can cause famines except

• the failure of food production to keep pace with population growth.

• distribution problems caused by political turmoil.

• new, higher-yield crops.

• crop failure brought on by sustained drought.

The results of the green revolution were not entirely positive because

• there were too few subsistence farmers.

• use of pesticides and fertilizers increased the risk of pollution.

• substantial resources were no longer required to grow the new grain varieties.

• All of the above

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7