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GMOs, oh my! Flashcards | StudBud
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GMOs, oh my!
GMOs, oh my!
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1
What is the primary difference between selective breeding and genetic engineering?
Genetic engineering directly modifies DNA
Selective breeding allows for specific trait selection
Genetic engineering takes longer than selective breeding
Selective breeding relies on natural reproduction
2
Which of the following is a method used to prevent unintentional GMO crossbreeding?
Creating buffer zones between GMO and non-GMO crops
Increasing crop rotation
Spraying crops with herbicides
Using chemical pesticides
3
By 2050, how much more food will the world need according to UN estimates?
70% more
50% more
100% more
20% more
4
What does a
BT crop
do?
Produces a protein toxic to specific insect pests
Produces more vitamins than regular crops
Does not require pollination
Grows in any climate without water
5
In the context of GMOs,
gene flow
is the unintentional mixing of GM crops with traditional crops
True
False
6
What makes
BT crops
safe for human consumption?
They are cooked at high temperatures
The toxin only affects certain insects
The toxin is removed before the plant is eaten
The toxin disappears after the plant is harvested
7
What is a primary reason herbicide-resistant crops are controversial?
They increase the use of herbicides like glyphosate
They do not work against pests
They do not grow in cold climates
They are less nutritious than traditional crops
8
What is one of the biggest challenges in feeding the growing global population?
Stopping elephants from eating crops
Replacing plant-based diets with meat-based diets
Finding ways to grow more food on existing land
Expanding farmland by clearing forests
9
How have humans modified plants and animals for thousands of years?
By crossbreeding plants in laboratories
By using chemical fertilizers
By selectively breeding plants/animals w/ desirable traits
By introducing new species from different continents
10
What problem do
nitrogen-absorbing plants
aim to solve?
The overuse of herbicides
The need for pesticide-resistant crops
The pollution caused by excess fertilizer use
The lack of nitrogen in the atmosphere
11
Crop intensification means
increasing the demand for farmland
allowing farming to intensify instead of expanding into forests
eliminating the need for fertilizers
Eliminating all types of pests
12
How do GMOs relate to sustainable agriculture?
They make crops grow without sunlight
They make farming more expensive for all farmers
They require more land to be farmed
They can reduce pesticide use and improve crop yields
13
Why was genetically modified papaya introduced in Hawaii?
To resist insect damage
To protect against the ringspot virus
To survive in dry conditions
To survive in tropical conditions
14
Which of the following is a potential future use of GMOs?
Making plants absorb nitrogen from the air
Making plants produce more vitamins
All of these.
Making plants capture carbon to reduce climate change
15
How are GM plants tested for safety before being sold for consumption?
They are evaluated by multiple agencies over many years
They are tested only by the companies that produce them
They are compared to non-GMO crops without scientific testing
They are grown in remote locations before being released
16
What is the primary concern about
terminator seeds
?
They force farmers to buy new seeds each year
They only grow under certain weather conditions
They require expensive fertilizers
17
Why might GMOs be a solution for climate change?
They can eliminate the need for all fertilizers
They can make plants resistant to droughts and floods
They can increase the amount of land used for farming
They can prevent animals from eating crops
18
What does GMO stand for?
Genetically Modified Organism
Genetically Manufactured Organism
Generalized Microbe Optimization
Genetically Modified Onions
19
How did GM eggplant help farmers in Bangladesh?
It increased crop prices
It made the plants grow faster
It changed the color of the fruit
It reduced pesticide use by more than 80%