GED Science 3

Question 1

Genetically modified crops and livestock have the potential to increase productivity and food quality while reducing pesticide use and increasing earnings for agricultural businesses. Some see them as a means to help eliminate world hunger by improving food output while decreasing losses due to pests and changing environmental circumstances. Industrial agriculture is increasingly reliant on genetically engineered crops. Concerns have been raised concerning the growing usage of genetically modified crops and livestock, including their safety for human consumption and environmental impact.
/br> According to the paragraph, what would be the most serious detrimental impact on humanity if genetically modified crops were banned?

Accepted Answer

Decreases in food production worldwide

Answer

Increase in the amount of beneficial insects

Answer

Loss of genetic diversity in food crops

Answer

Introduction of new allergens into the food supply

Question 2

Battery manufacturers make bold claims about how long their batteries will last. A student wanted to compare the running times of various batteries in order to identify which battery lasts the longest. Using flashlights, the student examined six different batteries, four brand name and two generic. The results show that the battery known as Name Brand A survived the longest, with 101 hours of runtime:
/br> It could be argued that this experiment was not carried out in accordance with proper experimental protocol. What must be altered in the experiment to make the results reliable?

Accepted Answer

The same flashlight should have been used to test each battery

Answer

Only two groups should have been tested at a time

Answer

The batteries should have all been either name brand or generic

Answer

The same battery should have been used in each flashlight

Question 3

The above square is based on the eyes of two parents. One of the parents has brown eyes and possesses the green eye recessive gene (a). How likely is it that a biological child of these parents will have brown eyes?

Accepted Answer

50%

Answer

25%

Answer

30%

Answer

85%

Question 4

Nanometers (nm) are used to measure wavelengths. The wavelength of each hue in the visible spectrum is distinct. The human eye can only perceive wavelengths between 400 and 750 nm. The visible spectrum's approximate wavelengths are indicated:
/br> Which color would you refer to if you were reading a scientific study and it mentioned a wavelength of 455 nm?

Accepted Answer

Blue

Answer

Green

Answer

Violet

Answer

Ultraviolet

Question 5

What is the median quantity of hurricanes per decade?

Accepted Answer

15

Answer

15.29

Answer

15.5

Answer

17

Question 6

What is the data set's mode?

Accepted Answer

15

Answer

11

Answer

16

Answer

17

Question 7

What is the data set's range?

Accepted Answer

11

Answer

9

Answer

16

Answer

20

Question 8

Producers in an ecosystem turn the sun's energy into a viable source for other organisms. Primary consumers consume primary consumers, secondary consumers consume primary consumers, and tertiary consumers consume secondary consumers. Some organisms in the food web consume more than one species of organism. Examine the food chain. Take note that the lion is a scavenger as well as a secondary consumer. As a result, they may play multiple roles in the environment.

Which of the following creatures has many roles in this ecosystem?

Accepted Answer

Hyena

Answer

Dung-rolling beetle

Answer

Cheetah

Answer

Giraffe

Question 9

Producers in an ecosystem turn the sun's energy into a viable source for other organisms. Primary consumers consume primary consumers, secondary consumers consume primary consumers, and tertiary consumers consume secondary consumers. Some organisms in the food web consume more than one species of organism. Examine the food chain. Take note that the lion is a scavenger as well as a secondary consumer. As a result, they may play multiple roles in the environment.

If more cheetahs were brought into this environment, we would expect to see a decline in the:

Accepted Answer

Hare population

Answer

Dung-rolling beetle population

Answer

Lion population

Answer

Hyena population

Question 10

The graph depicts a fur seal population on one of the Pribilof Islands, a collection of volcanic islands off the coast of Alaska. Fur seals are thought to have first landed on this island in 1902. The red circles represent population estimates, while the red line represents the population trend line.

What is the island's estimated fur seal carrying capacity?

Accepted Answer

10,500

Answer

1,500

Answer

6,000

Answer

11,500