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Quiz about Help Australia is Being Invaded
Quiz about Help Australia is Being Invaded

Help! Australia is Being Invaded! Quiz


Australia has many introduced species of plants and animals that cause severe environmental problems. I thought I would do a quiz on some of them.

A multiple-choice quiz by tezza1551. Estimated time: 5 mins.
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Author
tezza1551
Time
5 mins
Type
Multiple Choice
Quiz #
318,767
Updated
Jul 23 22
# Qns
10
Difficulty
Tough
Avg Score
6 / 10
Plays
482
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Question 1 of 10
1. One of the worst "invaders" is the rabbit. Which of the following has not been used as a control method? Hint


Question 2 of 10
2. 101 cane toads were introduced to Australia in 1935 to control a beetle which was decimating sugar cane crops. What is the scientific name for this creature? Hint


Question 3 of 10
3. A tree native to Western Australia, and used extensively in building and furniture, has been badly affected by an introduced disease called Phytophthora dieback. Which tree is most badly affected? Hint


Question 4 of 10
4. This weed, introduced in the mid nineteenth century, is Australia's worst problem weed. Also known as Salvation Jane, Riverina Bluebell and Blue Weed, and with a biological name of Echium plantagineum, it is? Hint


Question 5 of 10
5. Cape Tulip is another example of a plant introduced for garden purposes which has now become a declared pasture weed in several states of Australia. What colour are the flowers? Hint


Question 6 of 10
6. Which of the following is not an example of an introduced plant that has become a pest? Hint


Question 7 of 10
7. The next pest was introduced to Australia as an aquarium plant, but quickly spread to waterways in all mainland states and territories. What is its name? Hint


Question 8 of 10
8. The following are all species of ant. Which is not an introduced species? Hint


Question 9 of 10
9. Which is not a form of damage caused by feral pigs? Hint


Question 10 of 10
10. Camels are considered a major problem in areas of the Northern Territory and South Australia. Who introduced the camel to Australia? Hint



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quiz
Quiz Answer Key and Fun Facts
1. One of the worst "invaders" is the rabbit. Which of the following has not been used as a control method?

Answer: Prickly pear

58 rabbits were released into the Victorian bush in 1859 for hunting. At the peak of the rabbit plague, there were estimated to be 10 billion rabbits in Australia. Fences were built to prevent the spread of rabbits from one state to another, but were not particularly effective.
2. 101 cane toads were introduced to Australia in 1935 to control a beetle which was decimating sugar cane crops. What is the scientific name for this creature?

Answer: Bufo marinus

In 1935, cane toads were imported into Australia to control a beetle that was destroying sugar cane crops. The cane toad has proved to be toxic to native wildlife, and bred to plague proportions, spreading over Queensland, into New South Wales and the Northern Territory and in 2009, reaching northern Western Australia.
Bufo margaritifer is known as the Leaf Toad, and Bufo speciosis as the Texas Toad, while Bufo bufo is the Common Toad.
3. A tree native to Western Australia, and used extensively in building and furniture, has been badly affected by an introduced disease called Phytophthora dieback. Which tree is most badly affected?

Answer: Jarrah

All trees mentioned are native to Western Australia, but Jarrah is most severely affected by what was originally known as "Jarrah Dieback".
It is principally spread by humans and vehicle movement.
Marri is otherwise known as Red Gum, Mungart as Jam Tree, and Wandoo as White Gum.
4. This weed, introduced in the mid nineteenth century, is Australia's worst problem weed. Also known as Salvation Jane, Riverina Bluebell and Blue Weed, and with a biological name of Echium plantagineum, it is?

Answer: Patterson's Curse

Several biological control methods are being used on this weed. In certain areas, whole paddocks are turned blue in springtime when the weed is in flower.
5. Cape Tulip is another example of a plant introduced for garden purposes which has now become a declared pasture weed in several states of Australia. What colour are the flowers?

Answer: Salmon pink

Cape tulip is unpalatable to livestock, and invades both bush and pasture. One control method is spraying, and biological controls are also being developed. Weed control costs Australian farmers millions of dollars annually.
It is one of many plants introduced from South Africa that has become a problem plant in Australia.
6. Which of the following is not an example of an introduced plant that has become a pest?

Answer: Bracken Fern

Bracken fern is a pest in some areas, but not an introduced one!
7. The next pest was introduced to Australia as an aquarium plant, but quickly spread to waterways in all mainland states and territories. What is its name?

Answer: Water hyacinth

Water hyacinth was introduced into Australia in the late 19th century. It over runs native water plants and interferes with navigation, irrigation and recreation.
8. The following are all species of ant. Which is not an introduced species?

Answer: Green Tree Ant

Fire ants (in Australia) have only been found in Queensland by 2009. Their painful sting, as well as the threat to native flora and fauna, and the injury caused to domestic animals, makes them an unwelcome intruder. The Coastal Brown Ant is an ecological threat in the Northern Territory, while the Yellow Crazy Ant is found in New South Wales.
9. Which is not a form of damage caused by feral pigs?

Answer: Attacking vehicles on roads

Feral pigs can also attack lambing ewes and damage grain crops and fences.
Vehicles that hit them on roads can be badly damaged,but they are not known to have deliberately attacked moving vehicles.They can uproot underground cables, damage gardens and have been known to attack people who venture into their habitat.
10. Camels are considered a major problem in areas of the Northern Territory and South Australia. Who introduced the camel to Australia?

Answer: Early British explorers

Camels were introduced in 1840, and were used by early explorers to cope with desert conditions.
With the introduction of motor transport in the early 20th century, camels were released and quickly became a nuisance due to the damage they can inflict on the environment.
Source: Author tezza1551

This quiz was reviewed by FunTrivia editor crisw before going online.
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