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WorksheetsAquatic biodiversity and Agriculture
Total questions: 33
Worksheet time: 33mins
What is NOT an ecological importance of marine systems?
CO2 absorption
Heat absorption
Nutrient Cycling
Flood control
Which area has the lowest level of biodiversity?
Coral Reef
Deep ocean floor
Estuaries
Open Ocean
Rapid growth of plant life in aquatic environments caused by fertilizer runoff is called..
Eutrophication
Soil erosion
Acidification
Nutrient cycling
Commercial extinction is..
the total extinction of a species
the depletion of a population of species to the point where fisherman cannot catch enough of them to earn profit
a sustainable fishing practice
a result of natural causes
The dramatic loss of biodiversity of Lake Victoria was caused by four factors. Which is incorrect?
Algal bloom
Invasive species
Overfishing
Soil degradation
What percentage of the worlds ocean are fully protected Marine areas?
0.1%
0.5%
1%
0.01%
Which of the following is NOT a way to make fishing more sustainable?
Establish more MPAs
Set catch limits
Increase government subsidy
Improve regulations
Which of the following does NOT protect freshwater rivers?
Control of invasive species
Pollution control
Land use planning
Waterflow control
Which type of fishing is the most harmful?
Trawler fishing
Deep sea Aquaculture
Longline fishing
Sonar Purse-sein
Which is not one of the major three grains grown in agriculture?
Wheat
Rice
Corn
Rye
A form of farming in which nearly all of the crops or livestock raised are used to survive and maintain the farmer is called..
Traditional Intensive farming
High input agriculture
Industrial agriculture
Traditional susbsistence
Which of these is NOT involved in the Green revolution?
Plant monocultures of high yield crops
Use large inputs of fertilizer, pesticides and water
Increase cropping frequency
Plant polycultures of high yield crops
Which is a reason for world food production problems?
Decreasing affluence
Irrigation growth
Population growth
Increase in global fertilizer
The condition that develops when the body is deprived of vitamins, minerals and other nutrients it needs to maintain healthy tissues and organ function is called...
Undernutrition
Iron deficiency
Malnutrition
Overnutrition
A type of interplanting where a plot is planted with several varieties of the same crop is called..
Polyvarietal cultivation
Intercropping
Polyculture
Agroforestry
Which of the following helps to make marine fisheries more sustainable?
Increase commercial fishing
Bycatch reduction
Introduction of non-native species
Afforestation
Genetically modified crops are plants used in agriculture, the DNA of which has been modified using genetic engineering methods. Which of the following is an advantage of GMC?
Unpredictable ecological effects
Lower genetic diversity
Herbicide resistant invasive weeds
Environmentally resistant crops
Why is livestock agriculture more harmful than crop farming? Select all correct answers.
Produces large amounts of CO2
Uses large areas of land
A major cause of deforestation
Uses large amounts of water
Which of the following found in seafood is dangerous to consume? Select all correct answers
Heavy metals
Radiation
Excess Hormones
Amino acids
A fish or other marine species that is caught unintentionally while fishing for specific species or sizes of wildlife is called..
Non native invasion
Protected areas
Bycatch
Commercial extinction
Which country has the most Aquaculture output?
USA
China
Norway
Russia
The average annual growth of Aquaculture production is around..
6%
10%
20%
1%
What is an indirect consumption output of Aquaculture used in other forms of agriculture?
Fish markets
Restocking wild populations
Fish meal
Water pollution
What is the main cultured species in Aquaculture?
Marine fish
Molluscs
Fresh water fish
Crustaceans
An example of Amphibian species farmed in aquaculture is..
Frogs
Crocodiles
Lizards
Jellyfish
Select all of the environmental impacts of Aquaculture.
Water pollution
Loss of genetic diversity
Escapees
Fertilizer runoff
Which species has the lowest feed conversion ratio?
Salmon
Chicken
Cow
Pig
A food production system that mixes aquaculture with hydroponically-grown plants is called..
Fish ranching
Fish farming
Aquaponics
Organic acroecology
In aquaculture, which species cleans water and is the most sustainable to farm?
Shrimp
Clam (shellfish)
Tuna
Octopus
Which country currently does NOT engage in whale hunting?
Japan
Norway
Iceland
Greenland
Biodiversity is higher... (select all correct answers)
On the bottom of the ocean
Near the coast
In rivers
In Great lakes
Why is it difficult to protect marine biodiversity? (select all correct answers)
Human ecological footprint and fishprint are expanding
Much ocean damage is not visible
Climate change
Rising sea levels
Water Hyacinth reduces aquatic biodiversity. It is a..
Coastal management method
Invasive plant species
Large fish
Waste disposal method
