Which of the following BEST describes subsistence farming?

• Large scale, monoculture

• Producing enough for personal consumption

• Practiced for profit

• Few persons employed, highly mechanised

Which of the following are the MOST important economic roles played by agriculture.

I. A form of food security

II. Contributions to the GDP

III. Provides opportunities for local employment

IV. Allows for scientific research

• I, II and III only

• I, II and IV only

• II and III only

• III and IV only

The use of inorganic / synthetic fertilizers causes environmental problems because they

• have variable compositions

• are highly soluble

• are slower acting and longer lasting

• do not add humus to the soil

Which of the following is NOT an advantage of aquaculture?

• It is a reliable source of fish for market and consumption

• There is a decrease in the effort to catch fish for the wild

• There is a reduction of pressure for fish from natural sources.

• It may allow the introduction of exotic species into the new environment

Land space is becoming less available for agriculture. To gain high yields in relatively small areas, farmers should practice:

• intensive farming

• extensive farming

• organic farming

• subsistence farming

Which of the following are advantages of using technology in agriculture?

I. Production increase

II. Increase in eutrophication

III. Increased varieties

• I and II only

• I and III only

• II and III only

• I, II and III

Monoculture agriculture is characterized by

I. slash and burn

II. agrochemical usage

III. large scale production

• I and II only

• I and III only

• II and III only

• I, II and III

Agriculture is important in the Caribbean region for all of the following reasons, EXCEPT

• national security

• livelihoods

• GDP

• Agroprocessing

The type of agriculture depicted in the illustration is

• Monocropping

• Slash and burn

• Intensive

• aquaculture

The condition of the river in the illustration is due to

• hormone runoff

• fertilizer runoff

• antibiotic runoff

• pesticide runoff