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PREPARATION TASK

PLEASE ANSWER ALL THE QUESTIONS

Multiple Select

A stem means...

• a baby plant

• the long thin part of a plant

Multiple Select

Fungus means ...

• the family that mushrooms belong to

• moss or mould

Multiple Select

to quarantine means..

• lockdown of certain place or area

• to isolate something so that nothing else can touch it or be affected by it

Multiple Select

A shoot means..

• a baby plant

• the long thin part of a plant

Multiple Select

A plantation means

• a big area for planting

• a large area where crops are grown, for example tea and coffee

Multiple Select

a monoculture means...

• a specific type of plant

• one kind of crop with no others grown for variety

Multiple Select

Resistant means...

• not affected by something

• difficult to handle

Multiple Select

lucrative

• makes a lot of profit

• have a lot of supply

READ THE PASSAGE

'A THREAT TO BANANAS' AND ANSWER THE QUESTIONS.

Multiple Choice

In the 1950s, Central American commercial banana growers were facing the death of their most lucrative product, the Gros Michel banana, known as Big Mike. And now it’s happening again to Big Mike’s successor – the Cavendish.

With its easily transported, thick-skinned and sweet-tasting fruit, the Gros Michel banana plant dominated the plantations of Central America. United Fruit, the main grower and exporter in South America at the time, mass-produced its bananas in the most efficient way possible: it cloned shoots from the stems of plants instead of growing plants from seeds, and cultivated them in densely packed fields.

QUESTION:-

Mass-produced bananas are...

• grown from seeds because it's efficient

• cloned because it's fast and cheap way to grow them

• sweeter than other bananas

• exported to Central America

Multiple Choice

Unfortunately, these conditions are also perfect for the spread of the fungus Fusarium oxysporum f. sp. cubense, which attacks the plant’s roots and prevents it from transporting water to the stem and leaves. The TR-1 strain of the fungus was resistant to crop sprays and travelled around on boots or the tyres of trucks, slowly infecting plantations across the region. In an attempt to escape the fungus, farmers abandoned infected fields, flooded them and then replanted crops somewhere else, often cutting down rainforest to do so.

Their efforts failed. So, instead, they searched for a variety of banana that the fungus didn’t affect. They found the Cavendish, as it was called, in the greenhouse of a British duke. It wasn’t as well suited to shipping as the Gros Michel, but its bananas tasted good enough to keep consumers happy. Most importantly, TR-1 didn’t seem to affect it. In a few years, United Fruit had saved itself from bankruptcy by filling its plantations with thousands of the new plants, copying the same monoculture growing conditions Gros Michel had thrived in.

QUESTION:-

The spread of the TR-1 strain was...

• caused by lack of water

• speeded up by the flooding of banana fields

• slowed down by crop spraying

• helped by the movement of people and vehicles.

Multiple Choice

Their efforts failed. So, instead, they searched for a variety of banana that the fungus didn’t affect. They found the Cavendish, as it was called, in the greenhouse of a British duke. It wasn’t as well suited to shipping as the Gros Michel, but its bananas tasted good enough to keep consumers happy. Most importantly, TR-1 didn’t seem to affect it. In a few years, United Fruit had saved itself from bankruptcy by filling its plantations with thousands of the new plants, copying the same monoculture growing conditions Gros Michel had thrived in.

While the operation was a huge success for the Latin American industry, the Cavendish banana itself is far from safe. In 2014, South East Asia, another major banana producer, exported four million tons of Cavendish bananas. But, in 2015, its exports had dropped by 46 per cent thanks to a combination of another strain of the fungus, TR-4, and bad weather.

Growing practices in South East Asia haven’t helped matters. Growers can’t always afford the expensive lab-based methods to clone plants from shoots without spreading the disease. Also, they often aren’t strict enough about cleaning farm equipment and quarantining infected fields. As a result, the fungus has spread to Australia, the Middle East and Mozambique – and Latin America, heavily dependent on its monoculture Cavendish crops, could easily be next.

QUESTION:-

Which sentence is NOT true..

• The Cavendish replaced the Gros Michel

• The Cavendish were easier to transport than the Gros Michel

• The Cavendish was resistant

• The Cavendish stopped United Fruit from losing more money

Multiple Choice

While the operation was a huge success for the Latin American industry, the Cavendish banana itself is far from safe. In 2014, South East Asia, another major banana producer, exported four million tons of Cavendish bananas. But, in 2015, its exports had dropped by 46 per cent thanks to a combination of another strain of the fungus, TR-4, and bad weather.

Growing practices in South East Asia haven’t helped matters. Growers can’t always afford the expensive lab-based methods to clone plants from shoots without spreading the disease. Also, they often aren’t strict enough about cleaning farm equipment and quarantining infected fields. As a result, the fungus has spread to Australia, the Middle East and Mozambique – and Latin America, heavily dependent on its monoculture Cavendish crops, could easily be next.

QUESTION:-

South East Asia's Cavendish exports fell in 2015 because..

• a new strain of fungus had developed

• farmers can't afford new farming technology

• they had to quarantine their fruit

• they depended too much on other countries

Multiple Choice

Growing practices in South East Asia haven’t helped matters. Growers can’t always afford the expensive lab-based methods to clone plants from shoots without spreading the disease. Also, they often aren’t strict enough about cleaning farm equipment and quarantining infected fields. As a result, the fungus has spread to Australia, the Middle East and Mozambique – and Latin America, heavily dependent on its monoculture Cavendish crops, could easily be next.

Racing against the inevitable, scientists are working on solving the problem by genetically modifying the Cavendish with genes from TR-4-resistant banana species. Researchers at the Queensland University of Technology have successfully grown two kinds of modified plant which have remained resistant for three years so far. But some experts think this is just a sophisticated version of the same temporary solution the original Cavendish provided. If the new bananas are planted in the same monocultures as the Cavendish and the Gros Michel before it, the risk is that another strain of the disease may rise up to threaten the modified plants too.

QUESTION:-

Genetically modifying bananas may..

• mean farmers can grow the Gros Michel again

• cause farmers to repeat the mistakes of the past

• encourage farmers to try new growing methods

• only be a short-term solution

Multiple Choice

While the operation was a huge success for the Latin American industry, the Cavendish banana itself is far from safe. In 2014, South East Asia, another major banana producer, exported four million tons of Cavendish bananas. But, in 2015, its exports had dropped by 46 per cent thanks to a combination of another strain of the fungus, TR-4, and bad weather.

Growing practices in South East Asia haven’t helped matters. Growers can’t always afford the expensive lab-based methods to clone plants from shoots without spreading the disease. Also, they often aren’t strict enough about cleaning farm equipment and quarantining infected fields. As a result, the fungus has spread to Australia, the Middle East and Mozambique – and Latin America, heavily dependent on its monoculture Cavendish crops, could easily be next.

Racing against the inevitable, scientists are working on solving the problem by genetically modifying the Cavendish with genes from TR-4-resistant banana species. Researchers at the Queensland University of Technology have successfully grown two kinds of modified plant which have remained resistant for three years so far. But some experts think this is just a sophisticated version of the same temporary solution the original Cavendish provided. If the new bananas are planted in the same monocultures as the Cavendish and the Gros Michel before it, the risk is that another strain of the disease may rise up to threaten the modified plants too.

QUESTION:-

How would you describe the writer's opinion about the future of the Cavendish?

• Optimistic

• Pessimistic

• Cautious

• Uninterested