Question 1

In a food web, what happens to the energy and nutrients consumed by a top predator when it dies?

Accepted Answer

They are returned to the ecosystem through decomposition

Answer

They are transferred to another predator

Answer

They disappear from the ecosystem

Answer

They are stored in the corpse indefinitely

Question 2

How is carbon cycled within a food web?

Accepted Answer

It moves through organisms via consumption, and is returned to the environment through respiration and decomposition

Answer

Animals emit carbon into the atmosphere and plants absorb it

Answer

Carbon is only found in animals, not in plants

Answer

Carbon is not recycled within a food web

Question 3

What is the relationship between producers, consumers, and decomposers in an ecosystem?

Accepted Answer

Producers generate energy through photosynthesis, consumers eat the producers for energy, and decomposers break down both when they die.

Answer

All of them compete for the same resources

Answer

Decomposers generate energy and producers consume it

Answer

Consumers generate energy for producers to use

Question 4

What type of relationship is it when both species benefit?

Accepted Answer

Mutualism

Answer

Predator/Prey

Answer

Parasitism

Answer

Competition

Question 5

In what type of relationship does one species benefit, while the other neither benefits nor is harmed?

Accepted Answer

Commensalism

Answer

Cooperation

Answer

Mutualism

Answer

Parasitism

Question 6

What type of interaction occurs when two or more species use the same limited resource?

Accepted Answer

Competition

Answer

Mutualism

Answer

Parasitism

Answer

Cooperation

Question 7

How do factors such as food, water, shelter, and space impact populations in an ecosystem?

Accepted Answer

They determine the carrying capacity of the ecosystem

Answer

They do not have an impact on populations in an ecosystem

Answer

They lead to an increase in the temperature of the ecosystem

Answer

They make the ecosystem more aesthetically pleasing

Question 8

What could be the possible effect on a rabbit population in an ecosystem if there is a decrease in their grass food source?

Accepted Answer

The rabbit population might decrease due to food scarcity.

Answer

The decrease in grass will not affect the rabbit population.

Answer

The rabbit population will increase.

Answer

The rabbits will start to eat other rabbits.

Question 9

How does biotechnology potentially benefit the agricultural sector?

Accepted Answer

Creating crops resistant to pests and diseases

Answer

Decreasing the variety of crops

Answer

Promoting soil degradation

Answer

Encouraging the use of chemicals

Question 10

Which industry in North Carolina majorly benefits from biotechnology in terms of economic growth?

Accepted Answer

The pharmaceutical industry

Answer

The movie industry

Answer

The tourism industry

Answer

The food industry

Question 11

Which of the following best describes why an epidemic might be easier to manage than a pandemic?

Accepted Answer

Epidemics are typically contained within a specific geographical area, making it less complex to track, treat, and contain compared to a pandemic.

Answer

Epidemics are less severe and deadly than pandemics.

Answer

Pandemics are easier to manage as they are spread across multiple countries.

Answer

People are more concerned about epidemics, making them easier to manage.

Answer

Epidemics have simpler treatment methods compared to pandemics.

Question 12

What happens to a disease when it shifts from being an epidemic to becoming a pandemic?

Accepted Answer

The disease has spread over multiple countries or continents affecting a large number of people.

Answer

The disease has evolved into a new strain.

Answer

The disease can only be found in one specific region.

Answer

The disease is no longer serious.

Answer

The disease has been completely eradicated.

Question 13

Which type of pathogen causes diseases like malaria and tapeworm?

Accepted Answer

Parasites

Answer

Viruses

Answer

Fungi

Answer

Bacteria

Question 14

Which type of pathogen multiplies by taking over the host cell's machinery?

Accepted Answer

Viruses

Answer

Bacteria

Answer

Parasites

Answer

Fungi

Question 15

What is the primary way that fungi spread and potentially cause disease?

Accepted Answer

Through spores carried by air, water, or animals

Answer

By eating contaminated food

Answer

Via blood transfusion

Answer

Through direct skin contact

Question 16

Antibiotics are mostly used for _____________ infections.

Accepted Answer

bacterial

Answer

viral

Answer

parasitic

Question 17

What is a crucial aspect of environmental stewardship that contributes to human health?

Accepted Answer

Maintaining safe water quality

Answer

Ignoring waste management

Answer

Polluting water bodies

Answer

Deforestation

Question 18

High levels of nitrates and phosphates in North Carolina's water supplies can indicate what?

Accepted Answer

Pollution from runoff

Answer

Low dissolved oxygen

Answer

Clear water

Answer

High temperature

Question 19

What biological factor can indicate the safety and potability of water supplies in North Carolina?

Accepted Answer

Bio-indicator

Answer

Water temperature

Answer

Level of nitrates

Answer

Turbidity

Question 20

What could a decrease in dissolved oxygen in North Carolina's water supplies suggest?

Accepted Answer

Water pollution

Answer

Decrease in temperature

Answer

Clear water

Answer

Safe drinking water

Question 21

What ocean phenomenon brings nutrient-rich water from the ocean depths to the surface, supporting a wide array of marine life?

Accepted Answer

Upwelling

Answer

Tsunami

Answer

El Nino

Answer

Tidal wave

Question 22

Why are estuaries important in indicating that Earth’s oceans are a reservoir of nutrients, minerals, and life forms?

Accepted Answer

They are where freshwater mixes with saltwater and are rich in nutrients and biodiversity

Answer

They are formed by glaciers

Answer

They are dry habitats with little animal life

Answer

They are where desert meets the sea

Question 23

What is the impact of the local river basin on water availability?

Accepted Answer

It determines the amount of water available in a specific area

Answer

It increases global sea levels

Answer

It controls the global water cycle

Answer

It impacts the temperature of the oceans

Question 24

What is the contribution of ice and glaciers to the Earth's total fresh water supply?

Accepted Answer

About 70%

Answer

About 50%

Answer

About 30%

Answer

About 10%

Question 25

Which of the following explains why the availability of fresh water is a problem despite the Earth being called the 'blue planet'?

Accepted Answer

Most of the Earth's water is in the oceans and is saline

Answer

The Earth is actually not that blue

Answer

The distribution of water is even

Answer

Fresh water evaporates quickly

Question 26

What is the main difference between physical and chemical changes?

Accepted Answer

Physical changes do not change the substance's composition, while chemical changes do.

Answer

Physical changes only occur in solids, while chemical changes can occur in any state of matter.

Answer

Physical changes can be observed without changing the substance, while chemical changes cannot be.

Answer

Physical changes are reversible, while chemical changes are not.

Question 27

What type of change occurs when we blow up a balloon?

Accepted Answer

Physical Change

Answer

Neither a Physical nor Chemical Change

Answer

Chemical Change

Answer

Both a Physical and Chemical Change

Question 28

When baking soda reacts with vinegar to release gas, what type of change is this?

Accepted Answer

Chemical Change

Answer

Neither a Physical nor Chemical Change

Answer

Both a Physical and Chemical Change

Answer

Physical Change

Question 29

Based on the current model of the Periodic Table, elements in the same group have

Accepted Answer

Similar physical properties and reactivity

Answer

Different atomic numbers

Answer

Unique electron arrangements

Answer

Varied atomic size

Question 30

How would you classify water?

Accepted Answer

Compound

Answer

Mixture

Answer

Element

Answer

None of these

Question 31

How would you classify air?

Accepted Answer

Mixture

Answer

Element

Answer

Compound

Answer

All of these

Question 32

How would you classify Iron?

Accepted Answer

Element

Answer

All of these

Answer

Mixture

Answer

Compound

Question 33

How would you classify salt (NaCl)?

Accepted Answer

Compound

Answer

None of these

Answer

Element

Answer

Mixture

Question 34

According to the law of conservation of mass, which statement is true?

Accepted Answer

The total mass of the substances before a chemical reaction is equal to the total mass of the substances after the reaction

Answer

The total mass of the substances before a chemical reaction is usually less than the total mass of the substances after the reaction

Answer

The total mass of the substances before a chemical reaction is usually greater than the total mass of the substances after the reaction

Answer

The total mass of the substances before a chemical reaction does not affect the total mass of the substances after the reaction

Answer

The total mass of the substances before a chemical reaction stays the same but the total mass of the substances after the reaction changes

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