SUSTAINABLE AGRICULTURE

1.  Which of the following definitions best describe the practice of agriculture?

a)  Growing of crops and planting of animals using scientific skills

b)  Cultivation of animals and crops using scientific methods

c)  Planting of crops and rearing of animals using scientific methods

d)  Planting of vegetables using scientific methods

2.  Agriculture is said to provide a country and its people with various benefits. Which of the following benefit is NOT directly provided by agriculture?

a)  Employment

b)  Food

c)  Transportation

d)  Clothing

3.  The use of technology to increase agricultural production is now being emphasized by many Caribbean countries. Which of the following provides the best use of technology in agriculture

I.  Use of agrochemicals

II.  Mechanization

III.  Crop rotation

IV.  Hydroponics

a)  I only

b)  I, II, and III

c)  II & IV only

d)  I, II & IV

4.  Genetic engineering has now become a common practice in agriculture, which of the following is a negative impact of genetic engineering.

a)  Increase productivity

b)  Increase variety

c)  Increase pest and disease infestation

d)  Increase size of produce.

Item 8 and 9 refers to the scenario

Mr. Bryan has a large farm located on a hilly terrain. He often practice slash and burn to clear his land of debris. Recently, he noticed that soil is becoming eroded quickly.

5.  Which of the following agronomic practices can be used to prevent soil erosion on the hillside?

a)  Crop rotation

b)  Mulching

c)  Planting cover crops

d)  irrigation

6.  Which of the following is NOT a disadvantage of slash and burn?

a)  Mineral deposition

b)  Kills soil organism

c)  Destroy vegetation

d)  Increase erosion

7.  Which of the following is NOT a method of sustainable agricultural practices

a)  Hydroponics

b)  Over grazing

c)  Crop rotation

d)  Organic farming

8.  Many farmers in the Caribbean have been practicing agro-forestry as a means of maintaining their lively hood of farming. Which of the following definitions best describes agroforestry?

a)  Rearing of livestock and/or crop cultivation along with forest trees at different times on the same land

b)  Rearing of livestock and forestry trees

c)  Rearing of livestock and/or crop cultivation along with forest trees at the same times on the same land

d)  Cultivation of crops and forestry trees

9.  The diagram below represents a soil conservation method seen on a hillside in Portland. Identify the method shown below.

a)  Check dam

b)  Cover crops

c)  Drainage system

d)  Terracing

10.  Which of the following types of erosion normally affect persons cultivating in areas where the slope of the land is very steep?

a)  Rill erosion

b)  Gully erosion

c)  Sheet erosion

d)  Splash erosion

11.  Which of the following method is the most environmentally friendly and efficient method of irrigating crops.

a)  Drip irrigation

b)  Flood irrigation

c)  Sprinkle irrigation

d)  Over head irrigation

12.  Which of the following definitions best describes hydroponics?

a)  Growing of plants in water

b)  Growing of plants in soil

c)  Growing of plants in a soilless medium

d)  Growing of plants in gravel and sand

ENERGY

13.  Energy that is in a state of constant motion can be referred to as?

a)  Excited energy

b)  Kinetic energy

c)  Potential energy

d)  Wind energy

14.  Which of the following types of energy is not directly derived from solar energy

a)  Wind energy

b)  Coal

c)  Nuclear

d)  Crude oil

15.  Which of the following items listed below would be least efficient in the use of energy

a)  Pressure cooker

b)  Hydrogen fueled car

c)  Air conditioner in an air tight room

d)  Old refrigerator

16.  Which of the following source of energy creates the most environmental damage

a)  Natural gas

b)  Coal

c)  Petroleum

d)  Solar energy

17.  From the list of energy sources below, select the one that is not a renewable source of energy.

a)  Solar energy

b)  Nuclear energy

c)  Hydro-power

d)  Wind energy

18.  Nuclear energy can be harnessed using both nuclear fission and fusion. Which of the definitions below best describe nuclear fission

a)  The combination of atomic nuclei forming a heavier nucleus releasing energy

b)  The production of radiation in the environment

c)  The splitting of an atomic nuclei releasing energy

d)  The release of energy from a from unstable atoms

19.  Which of the following units of energy is used to measure electricity generation?

a)  Joule

b)  Watt

c)  MW

d)  KWh

20.  Caribbean countries are faced with many problems regarding electricity use and supply. Which of the following factors is of least concern to Caribbean nations?

a)  Geographical location

b)  Low Demand of electricity

c)  Technological

d)  Reliability of supply

21.  The use, transportation and extraction of energy have created many social and environmental problems in the Caribbean. Which of the following energy source creates the most environmental damage?

a)  Solar energy

b)  Hydro power

c)  Nuclear energy

d)  Geothermal energy

22.  Energy conservation and efficiency is being encouraged among Caribbean citizens in order to reduce energy use. Which of the following best describe the definition best describe co-generation.

a)  Production of electricity alone

b)  Production of electricity and natural gas

c)  Production of electricity and cool air used as air condition for nearby buildings

d)  Production of electricity and hot water used to provide heating for nearby buildings

23.  The use of hydrogen as a fuel for motor vehicle is now becoming more prevalent in today’s society. What are the two things produce in a cars’ engine that uses hydrogen as a source of fuel?

a)  Energy and carbon dioxide

b)  Energy and water

c)  Energy and oxygen

d)  Energy alone

24.  Which of the following fuel source is NOT considered a source of renewable bio-fuel?

a)  Coal

b)  Char coal

c)  Wood

d)  Ethanol

Items 28-29 refer to the statement below. The following words are parts of a conventional system of power generation. Select the most appropriate word that corresponds with the sentences below.

a)  Fossil fuel

b)  Generator

c)  Turbine

d)  Boiler

25.  Area where steam is generated.

26.  Area where electricity is made.

27.  Which of the following arrangements show how electricity is generated?

a)  Turbine, generator, fossil fuel, boiler

b)  Broiler , fossil fuel, generator, turbine

c)  Fossil fuel, boiler, turbine, generator

d)  Fossil fuel, turbine, boiler, generator