Quiz about NC Science EOG Practice 1

Question 1

Which interaction illustrates a terrestrial-aquatic food web relationship?

Accepted Answer

a bear eating a fish in a river

Answer

a turtle burring eggs in the sand

Answer

a fish eating plankton in the ocean

Answer

a bird eating a caterpillar

Question 2

How does exposure to cigarette smoke contribute to an asthma attack?

Accepted Answer

by irritating the respiratory tract

Answer

by decreasing blood pressure

Answer

by causing mutations in cells

Answer

by reducing insulin levels

Question 3

Which best explains how geologic time scales can help scientists study the evolution of life on Earth?

Accepted Answer

They correlate the existence of life on Earth with geological events.

Answer

They describe the existence of rocks before there was life on Earth.

Answer

They show that geological features have evolved at the same rate as organisms.

Answer

They compare the life histories of species that have uses rocks as habitats.

Question 4

Which statement supports the theory of evolution?

Accepted Answer

Fossils provide evidence that vertebrates share a common ancestor.

Answer

All living cells come from previous cells.

Answer

All plants and animals have DNA.

Answer

Matter cannot be created or destroyed during chemical reactions.

Question 5

How are plant and animal cells similar?

Accepted Answer

They both have a nucleus.

Answer

They both have flagella.

Answer

They both have an eyespot

Answer

They both have chloroplast.

Question 6

How can a scientist, using the periodic table, find an element with properties similar to another element?

Accepted Answer

by finding its periodic group

Answer

by comparing density

Answer

by comparing malleability

Answer

by comparing atomic weight

Question 7

Which is an example of a physical change?

Accepted Answer

boiling

Answer

burning

Answer

rusting

Answer

rotting

Question 8

The theory of global warming is based on an increase of what atmospheric gas?

Accepted Answer

carbon dioxide

Answer

helium

Answer

hydrogen

Answer

oxygen

Question 9

The Mid-Atlantic Ridge exists between the African and South American geologic plates. Which process most often occurs at the Mid-Atlantic Ridge?

Accepted Answer

spreading of sea floor

Answer

destruction of underwater mountains

Answer

creation of new continents

Answer

subduction of geologic plates

Question 10

Information about the heredity of a cell is stored in which organelle?

Accepted Answer

nucleus

Answer

flagellum

Answer

mitochondrion

Answer

vacuole

Question 11

Which project is most likely to interest a scientist working at a biotechnology company?

Accepted Answer

development of genetically modified corn plants

Answer

study and reconstruction of fossilized bones

Answer

conservation of key species within ecosystems

Answer

prevention of sewage leaking into water supplies

Question 12

Which device is used to determine the volume of a liquid?

Accepted Answer

graduated cylinder

Answer

anemometer

Answer

test tube

Answer

thermometer

Question 13

Which the best example of a pure substance?

Accepted Answer

gold

Answer

peanuts

Answer

milk

Answer

air

Question 14

Which statement best describes how periods on the periodic table are organized?

Accepted Answer

atomic number increasing left to right

Answer

increasing number of neutrons from left to right

Answer

decreasing number of electrons from left to right

Answer

decreasing atomic mass number from left to right.

Question 15

An ice cube is put into a heated pan. What will most likely happen to the molecules in the ice as the ice is heated?

Accepted Answer

The molecules will begin to move faster.

Answer

The molecules will begin to move slower.

Answer

The molecules will begin to increase in density.

Answer

The molecules will begin to condense in the air.

Question 16

Which would least likely have an impact on global climate change?

Accepted Answer

producing energy using hydroelectric plants

Answer

producing energy using coal

Answer

producing energy using oil

Answer

producing energy using natural gas

Question 17

Which is an example of a renewable resource?

Accepted Answer

biomass

Answer

coal

Answer

oil

Answer

gas

Question 18

Which best determines the health of a lake used as a freshwater source?

Accepted Answer

its temperature and pH

Answer

its depth and width

Answer

its location and depth

Answer

its temperature and depth

Question 19

Why do doctors suggest that people get a flu vaccine each year?

Accepted Answer

viruses can mutate year to year

Answer

viruses replicate rapidly over time

Answer

viruses are absorbed by the body afterr a year

Answer

vaccines get stronger over time

Question 20

Which of these careers would a student studying biotechnology most likely pursue?

Accepted Answer

agriculture research

Answer

electrical engineering

Answer

astronomy

Answer

geology

Question 21

Kudzu vines grow by climbing and wrapping around trees. Trees covered by Kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them?

Accepted Answer

Competition

Answer

Predator-prey

Answer

Mutualism

Answer

Parasitism

Question 22

What do transitional fossils best support?

Accepted Answer

the Theory of Biological Evolution

Answer

the Law of Superposition

Answer

the Theory of Geological Evolution

Answer

the Theory of Continental Drift

Question 23

Why is a healthy diet important?

Accepted Answer

It supplies the body's needs for growth and energy.

Answer

It maintains a constant body temperature.

Answer

It prevents damage to internal organs.

Answer

It makes oxygen for all the cells in the body.

Question 24

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

Accepted Answer

contact with an infected person

Answer

contact with an environmental source

Answer

contact with an infected animal

Answer

contact with a contaminated object

Question 25

What is the best way to help prevent the flu from becoming a pandemic?

Accepted Answer

getting a vaccine

Answer

taking antibiotics

Answer

eating fruits and vegetables

Answer

washing hands often

Question 26

Which best explains the importance of nitrogen in the cycling of energy and matter?

Accepted Answer

Nitrogen increases protein production in plants.

Answer

Nitrogen decreases protein production in plants.

Answer

Nitrogen decreases the effectiveness of photosynthesis.

Answer

Nitrogen increases the effectiveness of photosynthesis.

Question 27

Which is a way the agricultural biotechnology industry could have a positive impact on the environment?

Accepted Answer

by reducing the need for countries to import food

Answer

by producing crops that are virus resistant

Answer

by making robots to replace large farm machines

Answer

by increasing the use of wind farms that produce electricity.

Question 28

How would smoking tobacco most likely have a negative impact on the ability of an individual to succeed at physical activities?

Accepted Answer

It decreases stamina and cardiovascular efficiency.

Answer

It interferes with coordination and balance.

Answer

It decreases the ability to make decisions quickly.

Answer

It decreases the speed and power of muscle contractions.

Question 29

Which is the best characteristics of a river basin?

Accepted Answer

The land is drained by one river and its tributaries.

Answer

The land formed when rivers create estuaries and marshes.

Answer

The land at the mouth of a river where water flows into the ocean.

Answer

The land formed as result of a river flooding.

NC Science EOG Practice 1

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